<?php
/**
- * Main Wordpress Formatting API.
+ * Main WordPress Formatting API.
*
* Handles many functions for formatting output.
*
* @package WordPress
- **/
+ */
/**
* Replaces common plain text characters into formatted entities
*/
function wptexturize($text) {
global $wp_cockneyreplace;
- $output = '';
- $curl = '';
- $textarr = preg_split('/(<.*>|\[.*\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
- $stop = count($textarr);
-
- /* translators: opening curly quote */
- $opening_quote = _x('“', 'opening curly quote');
- /* translators: closing curly quote */
- $closing_quote = _x('”', 'closing curly quote');
-
- $no_texturize_tags = apply_filters('no_texturize_tags', array('pre', 'code', 'kbd', 'style', 'script', 'tt'));
- $no_texturize_shortcodes = apply_filters('no_texturize_shortcodes', array('code'));
- $no_texturize_tags_stack = array();
- $no_texturize_shortcodes_stack = array();
+ static $static_characters, $static_replacements, $dynamic_characters, $dynamic_replacements,
+ $default_no_texturize_tags, $default_no_texturize_shortcodes;
+
+ // No need to set up these static variables more than once
+ if ( ! isset( $static_characters ) ) {
+ /* translators: opening curly double quote */
+ $opening_quote = _x( '“', 'opening curly double quote' );
+ /* translators: closing curly double quote */
+ $closing_quote = _x( '”', 'closing curly double quote' );
+
+ /* translators: apostrophe, for example in 'cause or can't */
+ $apos = _x( '’', 'apostrophe' );
+
+ /* translators: prime, for example in 9' (nine feet) */
+ $prime = _x( '′', 'prime' );
+ /* translators: double prime, for example in 9" (nine inches) */
+ $double_prime = _x( '″', 'double prime' );
+
+ /* translators: opening curly single quote */
+ $opening_single_quote = _x( '‘', 'opening curly single quote' );
+ /* translators: closing curly single quote */
+ $closing_single_quote = _x( '’', 'closing curly single quote' );
+
+ /* translators: en dash */
+ $en_dash = _x( '–', 'en dash' );
+ /* translators: em dash */
+ $em_dash = _x( '—', 'em dash' );
+
+ $default_no_texturize_tags = array('pre', 'code', 'kbd', 'style', 'script', 'tt');
+ $default_no_texturize_shortcodes = array('code');
+
+ // if a plugin has provided an autocorrect array, use it
+ if ( isset($wp_cockneyreplace) ) {
+ $cockney = array_keys($wp_cockneyreplace);
+ $cockneyreplace = array_values($wp_cockneyreplace);
+ } elseif ( "'" != $apos ) { // Only bother if we're doing a replacement.
+ $cockney = array( "'tain't", "'twere", "'twas", "'tis", "'twill", "'til", "'bout", "'nuff", "'round", "'cause" );
+ $cockneyreplace = array( $apos . "tain" . $apos . "t", $apos . "twere", $apos . "twas", $apos . "tis", $apos . "twill", $apos . "til", $apos . "bout", $apos . "nuff", $apos . "round", $apos . "cause" );
+ } else {
+ $cockney = $cockneyreplace = array();
+ }
- // if a plugin has provided an autocorrect array, use it
- if ( isset($wp_cockneyreplace) ) {
- $cockney = array_keys($wp_cockneyreplace);
- $cockneyreplace = array_values($wp_cockneyreplace);
- } else {
- $cockney = array("'tain't","'twere","'twas","'tis","'twill","'til","'bout","'nuff","'round","'cause");
- $cockneyreplace = array("’tain’t","’twere","’twas","’tis","’twill","’til","’bout","’nuff","’round","’cause");
+ $static_characters = array_merge( array( '---', ' -- ', '--', ' - ', 'xn–', '...', '``', '\'\'', ' (tm)' ), $cockney );
+ $static_replacements = array_merge( array( $em_dash, ' ' . $em_dash . ' ', $en_dash, ' ' . $en_dash . ' ', 'xn--', '…', $opening_quote, $closing_quote, ' ™' ), $cockneyreplace );
+
+ $dynamic = array();
+ if ( "'" != $apos ) {
+ $dynamic[ '/\'(\d\d(?:’|\')?s)/' ] = $apos . '$1'; // '99's
+ $dynamic[ '/\'(\d)/' ] = $apos . '$1'; // '99
+ }
+ if ( "'" != $opening_single_quote )
+ $dynamic[ '/(\s|\A|[([{<]|")\'/' ] = '$1' . $opening_single_quote; // opening single quote, even after (, {, <, [
+ if ( '"' != $double_prime )
+ $dynamic[ '/(\d)"/' ] = '$1' . $double_prime; // 9" (double prime)
+ if ( "'" != $prime )
+ $dynamic[ '/(\d)\'/' ] = '$1' . $prime; // 9' (prime)
+ if ( "'" != $apos )
+ $dynamic[ '/(\S)\'([^\'\s])/' ] = '$1' . $apos . '$2'; // apostrophe in a word
+ if ( '"' != $opening_quote )
+ $dynamic[ '/(\s|\A|[([{<])"(?!\s)/' ] = '$1' . $opening_quote . '$2'; // opening double quote, even after (, {, <, [
+ if ( '"' != $closing_quote )
+ $dynamic[ '/"(\s|\S|\Z)/' ] = $closing_quote . '$1'; // closing double quote
+ if ( "'" != $closing_single_quote )
+ $dynamic[ '/\'([\s.]|\Z)/' ] = $closing_single_quote . '$1'; // closing single quote
+
+ $dynamic[ '/\b(\d+)x(\d+)\b/' ] = '$1×$2'; // 9x9 (times)
+
+ $dynamic_characters = array_keys( $dynamic );
+ $dynamic_replacements = array_values( $dynamic );
}
- $static_characters = array_merge(array('---', ' -- ', '--', ' - ', 'xn–', '...', '``', '\'s', '\'\'', ' (tm)'), $cockney);
- $static_replacements = array_merge(array('—', ' — ', '–', ' – ', 'xn--', '…', $opening_quote, '’s', $closing_quote, ' ™'), $cockneyreplace);
+ // Transform into regexp sub-expression used in _wptexturize_pushpop_element
+ // Must do this every time in case plugins use these filters in a context sensitive manner
+ /**
+ * Filter the list of HTML elements not to texturize.
+ *
+ * @since 2.8.0
+ *
+ * @param array $default_no_texturize_tags An array of HTML element names.
+ */
+ $no_texturize_tags = '(' . implode( '|', apply_filters( 'no_texturize_tags', $default_no_texturize_tags ) ) . ')';
+ /**
+ * Filter the list of shortcodes not to texturize.
+ *
+ * @since 2.8.0
+ *
+ * @param array $default_no_texturize_shortcodes An array of shortcode names.
+ */
+ $no_texturize_shortcodes = '(' . implode( '|', apply_filters( 'no_texturize_shortcodes', $default_no_texturize_shortcodes ) ) . ')';
+
+ $no_texturize_tags_stack = array();
+ $no_texturize_shortcodes_stack = array();
- $dynamic_characters = array('/\'(\d\d(?:’|\')?s)/', '/(\s|\A|")\'/', '/(\d+)"/', '/(\d+)\'/', '/(\S)\'([^\'\s])/', '/(\s|\A)"(?!\s)/', '/"(\s|\S|\Z)/', '/\'([\s.]|\Z)/', '/(\d+)x(\d+)/');
- $dynamic_replacements = array('’$1','$1‘', '$1″', '$1′', '$1’$2', '$1' . $opening_quote . '$2', $closing_quote . '$1', '’$1', '$1×$2');
+ $textarr = preg_split('/(<.*>|\[.*\])/Us', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
- for ( $i = 0; $i < $stop; $i++ ) {
- $curl = $textarr[$i];
+ foreach ( $textarr as &$curl ) {
+ if ( empty( $curl ) )
+ continue;
- if ( !empty($curl) && '<' != $curl{0} && '[' != $curl{0}
- && empty($no_texturize_shortcodes_stack) && empty($no_texturize_tags_stack)) { // If it's not a tag
- // static strings
+ // Only call _wptexturize_pushpop_element if first char is correct tag opening
+ $first = $curl[0];
+ if ( '<' === $first ) {
+ _wptexturize_pushpop_element($curl, $no_texturize_tags_stack, $no_texturize_tags, '<', '>');
+ } elseif ( '[' === $first ) {
+ _wptexturize_pushpop_element($curl, $no_texturize_shortcodes_stack, $no_texturize_shortcodes, '[', ']');
+ } elseif ( empty($no_texturize_shortcodes_stack) && empty($no_texturize_tags_stack) ) {
+ // This is not a tag, nor is the texturization disabled static strings
$curl = str_replace($static_characters, $static_replacements, $curl);
// regular expressions
$curl = preg_replace($dynamic_characters, $dynamic_replacements, $curl);
- } else {
- wptexturize_pushpop_element($curl, $no_texturize_tags_stack, $no_texturize_tags, '<', '>');
- wptexturize_pushpop_element($curl, $no_texturize_shortcodes_stack, $no_texturize_shortcodes, '[', ']');
}
-
$curl = preg_replace('/&([^#])(?![a-zA-Z1-4]{1,8};)/', '&$1', $curl);
- $output .= $curl;
- }
-
- return $output;
-}
-
-function wptexturize_pushpop_element($text, &$stack, $disabled_elements, $opening = '<', $closing = '>') {
- $o = preg_quote($opening);
- $c = preg_quote($closing);
- foreach($disabled_elements as $element) {
- if (preg_match('/^'.$o.$element.'\b/', $text)) array_push($stack, $element);
- if (preg_match('/^'.$o.'\/'.$element.$c.'/', $text)) {
- $last = array_pop($stack);
- // disable texturize until we find a closing tag of our type (e.g. <pre>)
- // even if there was invalid nesting before that
- // Example: in the case <pre>sadsadasd</code>"baba"</pre> "baba" won't be texturized
- if ($last != $element) array_push($stack, $last);
- }
}
+ return implode( '', $textarr );
}
/**
- * Accepts matches array from preg_replace_callback in wpautop() or a string.
- *
- * Ensures that the contents of a <<pre>>...<</pre>> HTML block are not
- * converted into paragraphs or line-breaks.
+ * Search for disabled element tags. Push element to stack on tag open and pop
+ * on tag close. Assumes first character of $text is tag opening.
*
- * @since 1.2.0
+ * @since 2.9.0
+ * @access private
*
- * @param array|string $matches The array or string
- * @return string The pre block without paragraph/line-break conversion.
- */
-function clean_pre($matches) {
- if ( is_array($matches) )
- $text = $matches[1] . $matches[2] . "</pre>";
- else
- $text = $matches;
-
- $text = str_replace('<br />', '', $text);
- $text = str_replace('<p>', "\n", $text);
- $text = str_replace('</p>', '', $text);
+ * @param string $text Text to check. First character is assumed to be $opening
+ * @param array $stack Array used as stack of opened tag elements
+ * @param string $disabled_elements Tags to match against formatted as regexp sub-expression
+ * @param string $opening Tag opening character, assumed to be 1 character long
+ * @param string $closing Tag closing character
+ */
+function _wptexturize_pushpop_element($text, &$stack, $disabled_elements, $opening = '<', $closing = '>') {
+ // Check if it is a closing tag -- otherwise assume opening tag
+ if (strncmp($opening . '/', $text, 2)) {
+ // Opening? Check $text+1 against disabled elements
+ if (preg_match('/^' . $disabled_elements . '\b/', substr($text, 1), $matches)) {
+ /*
+ * This disables texturize until we find a closing tag of our type
+ * (e.g. <pre>) even if there was invalid nesting before that
+ *
+ * Example: in the case <pre>sadsadasd</code>"baba"</pre>
+ * "baba" won't be texturize
+ */
+
+ array_push($stack, $matches[1]);
+ }
+ } else {
+ // Closing? Check $text+2 against disabled elements
+ $c = preg_quote($closing, '/');
+ if (preg_match('/^' . $disabled_elements . $c . '/', substr($text, 2), $matches)) {
+ $last = array_pop($stack);
- return $text;
+ // Make sure it matches the opening tag
+ if ($last != $matches[1])
+ array_push($stack, $last);
+ }
+ }
}
/**
* @since 0.71
*
* @param string $pee The text which has to be formatted.
- * @param int|bool $br Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true.
+ * @param bool $br Optional. If set, this will convert all remaining line-breaks after paragraphing. Default true.
* @return string Text which has been converted into correct paragraph tags.
*/
-function wpautop($pee, $br = 1) {
+function wpautop($pee, $br = true) {
+ $pre_tags = array();
+
if ( trim($pee) === '' )
return '';
+
$pee = $pee . "\n"; // just to make things a little easier, pad the end
+
+ if ( strpos($pee, '<pre') !== false ) {
+ $pee_parts = explode( '</pre>', $pee );
+ $last_pee = array_pop($pee_parts);
+ $pee = '';
+ $i = 0;
+
+ foreach ( $pee_parts as $pee_part ) {
+ $start = strpos($pee_part, '<pre');
+
+ // Malformed html?
+ if ( $start === false ) {
+ $pee .= $pee_part;
+ continue;
+ }
+
+ $name = "<pre wp-pre-tag-$i></pre>";
+ $pre_tags[$name] = substr( $pee_part, $start ) . '</pre>';
+
+ $pee .= substr( $pee_part, 0, $start ) . $name;
+ $i++;
+ }
+
+ $pee .= $last_pee;
+ }
+
$pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
// Space things out a little
- $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|map|area|blockquote|address|math|style|input|p|h[1-6]|hr)';
+ $allblocks = '(?:table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|option|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|noscript|legend|section|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary)';
$pee = preg_replace('!(<' . $allblocks . '[^>]*>)!', "\n$1", $pee);
$pee = preg_replace('!(</' . $allblocks . '>)!', "$1\n\n", $pee);
$pee = str_replace(array("\r\n", "\r"), "\n", $pee); // cross-platform newlines
$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
$pee = preg_replace('!<p>\s*(</?' . $allblocks . '[^>]*>)!', "$1", $pee);
$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*</p>!', "$1", $pee);
- if ($br) {
- $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', create_function('$matches', 'return str_replace("\n", "<WPPreserveNewline />", $matches[0]);'), $pee);
+ if ( $br ) {
+ $pee = preg_replace_callback('/<(script|style).*?<\/\\1>/s', '_autop_newline_preservation_helper', $pee);
$pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
$pee = str_replace('<WPPreserveNewline />', "\n", $pee);
}
$pee = preg_replace('!(</?' . $allblocks . '[^>]*>)\s*<br />!', "$1", $pee);
$pee = preg_replace('!<br />(\s*</?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)[^>]*>)!', '$1', $pee);
- if (strpos($pee, '<pre') !== false)
- $pee = preg_replace_callback('!(<pre[^>]*>)(.*?)</pre>!is', 'clean_pre', $pee );
$pee = preg_replace( "|\n</p>$|", '</p>', $pee );
- $pee = preg_replace('/<p>\s*?(' . get_shortcode_regex() . ')\s*<\/p>/s', '$1', $pee); // don't auto-p wrap shortcodes that stand alone
+
+ if ( !empty($pre_tags) )
+ $pee = str_replace(array_keys($pre_tags), array_values($pre_tags), $pee);
return $pee;
}
+/**
+ * Newline preservation help function for wpautop
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param array $matches preg_replace_callback matches array
+ * @return string
+ */
+function _autop_newline_preservation_helper( $matches ) {
+ return str_replace("\n", "<WPPreserveNewline />", $matches[0]);
+}
+
+/**
+ * Don't auto-p wrap shortcodes that stand alone
+ *
+ * Ensures that shortcodes are not wrapped in <<p>>...<</p>>.
+ *
+ * @since 2.9.0
+ *
+ * @param string $pee The content.
+ * @return string The filtered content.
+ */
+function shortcode_unautop( $pee ) {
+ global $shortcode_tags;
+
+ if ( empty( $shortcode_tags ) || !is_array( $shortcode_tags ) ) {
+ return $pee;
+ }
+
+ $tagregexp = join( '|', array_map( 'preg_quote', array_keys( $shortcode_tags ) ) );
+
+ $pattern =
+ '/'
+ . '<p>' // Opening paragraph
+ . '\\s*+' // Optional leading whitespace
+ . '(' // 1: The shortcode
+ . '\\[' // Opening bracket
+ . "($tagregexp)" // 2: Shortcode name
+ . '(?![\\w-])' // Not followed by word character or hyphen
+ // Unroll the loop: Inside the opening shortcode tag
+ . '[^\\]\\/]*' // Not a closing bracket or forward slash
+ . '(?:'
+ . '\\/(?!\\])' // A forward slash not followed by a closing bracket
+ . '[^\\]\\/]*' // Not a closing bracket or forward slash
+ . ')*?'
+ . '(?:'
+ . '\\/\\]' // Self closing tag and closing bracket
+ . '|'
+ . '\\]' // Closing bracket
+ . '(?:' // Unroll the loop: Optionally, anything between the opening and closing shortcode tags
+ . '[^\\[]*+' // Not an opening bracket
+ . '(?:'
+ . '\\[(?!\\/\\2\\])' // An opening bracket not followed by the closing shortcode tag
+ . '[^\\[]*+' // Not an opening bracket
+ . ')*+'
+ . '\\[\\/\\2\\]' // Closing shortcode tag
+ . ')?'
+ . ')'
+ . ')'
+ . '\\s*+' // optional trailing whitespace
+ . '<\\/p>' // closing paragraph
+ . '/s';
+
+ return preg_replace( $pattern, '$1', $pee );
+}
+
/**
* Checks to see if a string is utf8 encoded.
*
* ", or ENT_QUOTES to do both. Default is ENT_NOQUOTES where no quotes are encoded.
*
* @since 1.2.2
+ * @access private
*
* @param string $string The text which is to be encoded.
* @param mixed $quote_style Optional. Converts double quotes if set to ENT_COMPAT, both single and double if set to ENT_QUOTES or none if set to ENT_NOQUOTES. Also compatible with old values; converting single quotes if set to 'single', double if set to 'double' or both if otherwise set. Default is ENT_NOQUOTES.
* @param string $charset Optional. The character encoding of the string. Default is false.
- * @param boolean $double_encode Optional. Whether or not to encode existing html entities. Default is false.
+ * @param boolean $double_encode Optional. Whether to encode existing html entities. Default is false.
* @return string The encoded text with HTML entities.
*/
function _wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
$string = (string) $string;
- if ( 0 === strlen( $string ) ) {
+ if ( 0 === strlen( $string ) )
return '';
- }
// Don't bother if there are no specialchars - saves some processing
- if ( !preg_match( '/[&<>"\']/', $string ) ) {
+ if ( ! preg_match( '/[&<>"\']/', $string ) )
return $string;
- }
// Account for the previous behaviour of the function when the $quote_style is not an accepted value
- if ( empty( $quote_style ) ) {
+ if ( empty( $quote_style ) )
$quote_style = ENT_NOQUOTES;
- } elseif ( !in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) ) {
+ elseif ( ! in_array( $quote_style, array( 0, 2, 3, 'single', 'double' ), true ) )
$quote_style = ENT_QUOTES;
- }
// Store the site charset as a static to avoid multiple calls to wp_load_alloptions()
- if ( !$charset ) {
+ if ( ! $charset ) {
static $_charset;
- if ( !isset( $_charset ) ) {
+ if ( ! isset( $_charset ) ) {
$alloptions = wp_load_alloptions();
$_charset = isset( $alloptions['blog_charset'] ) ? $alloptions['blog_charset'] : '';
}
$charset = $_charset;
}
- if ( in_array( $charset, array( 'utf8', 'utf-8', 'UTF8' ) ) ) {
+
+ if ( in_array( $charset, array( 'utf8', 'utf-8', 'UTF8' ) ) )
$charset = 'UTF-8';
- }
$_quote_style = $quote_style;
}
// Handle double encoding ourselves
- if ( !$double_encode ) {
+ if ( $double_encode ) {
+ $string = @htmlspecialchars( $string, $quote_style, $charset );
+ } else {
+ // Decode & into &
$string = wp_specialchars_decode( $string, $_quote_style );
- $string = preg_replace( '/&(#?x?[0-9a-z]+);/i', '|wp_entity|$1|/wp_entity|', $string );
- }
- $string = @htmlspecialchars( $string, $quote_style, $charset );
+ // Guarantee every &entity; is valid or re-encode the &
+ $string = wp_kses_normalize_entities( $string );
- // Handle double encoding ourselves
- if ( !$double_encode ) {
- $string = str_replace( array( '|wp_entity|', '|/wp_entity|' ), array( '&', ';' ), $string );
+ // Now re-encode everything except &entity;
+ $string = preg_split( '/(&#?x?[0-9a-z]+;)/i', $string, -1, PREG_SPLIT_DELIM_CAPTURE );
+
+ for ( $i = 0; $i < count( $string ); $i += 2 )
+ $string[$i] = @htmlspecialchars( $string[$i], $quote_style, $charset );
+
+ $string = implode( '', $string );
}
// Backwards compatibility
- if ( 'single' === $_quote_style ) {
+ if ( 'single' === $_quote_style )
$string = str_replace( "'", ''', $string );
- }
return $string;
}
* $quote_style can be set to ENT_COMPAT to decode " entities,
* or ENT_QUOTES to do both " and '. Default is ENT_NOQUOTES where no quotes are decoded.
*
- * @since 2.8
+ * @since 2.8.0
*
* @param string $string The text which is to be decoded.
* @param mixed $quote_style Optional. Converts double quotes if set to ENT_COMPAT, both single and double if set to ENT_QUOTES or none if set to ENT_NOQUOTES. Also compatible with old _wp_specialchars() values; converting single quotes if set to 'single', double if set to 'double' or both if otherwise set. Default is ENT_NOQUOTES.
/**
* Checks for invalid UTF8 in a string.
*
- * @since 2.8
+ * @since 2.8.0
*
* @param string $string The text which is to be checked.
* @param boolean $strip Optional. Whether to attempt to strip out invalid UTF8. Default is false.
if (seems_utf8($string)) {
$chars = array(
// Decompositions for Latin-1 Supplement
+ chr(194).chr(170) => 'a', chr(194).chr(186) => 'o',
chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
chr(195).chr(130) => 'A', chr(195).chr(131) => 'A',
chr(195).chr(132) => 'A', chr(195).chr(133) => 'A',
- chr(195).chr(135) => 'C', chr(195).chr(136) => 'E',
- chr(195).chr(137) => 'E', chr(195).chr(138) => 'E',
- chr(195).chr(139) => 'E', chr(195).chr(140) => 'I',
- chr(195).chr(141) => 'I', chr(195).chr(142) => 'I',
- chr(195).chr(143) => 'I', chr(195).chr(145) => 'N',
+ chr(195).chr(134) => 'AE',chr(195).chr(135) => 'C',
+ chr(195).chr(136) => 'E', chr(195).chr(137) => 'E',
+ chr(195).chr(138) => 'E', chr(195).chr(139) => 'E',
+ chr(195).chr(140) => 'I', chr(195).chr(141) => 'I',
+ chr(195).chr(142) => 'I', chr(195).chr(143) => 'I',
+ chr(195).chr(144) => 'D', chr(195).chr(145) => 'N',
chr(195).chr(146) => 'O', chr(195).chr(147) => 'O',
chr(195).chr(148) => 'O', chr(195).chr(149) => 'O',
chr(195).chr(150) => 'O', chr(195).chr(153) => 'U',
chr(195).chr(154) => 'U', chr(195).chr(155) => 'U',
chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y',
- chr(195).chr(159) => 's', chr(195).chr(160) => 'a',
- chr(195).chr(161) => 'a', chr(195).chr(162) => 'a',
- chr(195).chr(163) => 'a', chr(195).chr(164) => 'a',
- chr(195).chr(165) => 'a', chr(195).chr(167) => 'c',
+ chr(195).chr(158) => 'TH',chr(195).chr(159) => 's',
+ chr(195).chr(160) => 'a', chr(195).chr(161) => 'a',
+ chr(195).chr(162) => 'a', chr(195).chr(163) => 'a',
+ chr(195).chr(164) => 'a', chr(195).chr(165) => 'a',
+ chr(195).chr(166) => 'ae',chr(195).chr(167) => 'c',
chr(195).chr(168) => 'e', chr(195).chr(169) => 'e',
chr(195).chr(170) => 'e', chr(195).chr(171) => 'e',
chr(195).chr(172) => 'i', chr(195).chr(173) => 'i',
chr(195).chr(174) => 'i', chr(195).chr(175) => 'i',
- chr(195).chr(177) => 'n', chr(195).chr(178) => 'o',
- chr(195).chr(179) => 'o', chr(195).chr(180) => 'o',
- chr(195).chr(181) => 'o', chr(195).chr(182) => 'o',
- chr(195).chr(182) => 'o', chr(195).chr(185) => 'u',
- chr(195).chr(186) => 'u', chr(195).chr(187) => 'u',
- chr(195).chr(188) => 'u', chr(195).chr(189) => 'y',
- chr(195).chr(191) => 'y',
+ chr(195).chr(176) => 'd', chr(195).chr(177) => 'n',
+ chr(195).chr(178) => 'o', chr(195).chr(179) => 'o',
+ chr(195).chr(180) => 'o', chr(195).chr(181) => 'o',
+ chr(195).chr(182) => 'o', chr(195).chr(184) => 'o',
+ chr(195).chr(185) => 'u', chr(195).chr(186) => 'u',
+ chr(195).chr(187) => 'u', chr(195).chr(188) => 'u',
+ chr(195).chr(189) => 'y', chr(195).chr(190) => 'th',
+ chr(195).chr(191) => 'y', chr(195).chr(152) => 'O',
// Decompositions for Latin Extended-A
chr(196).chr(128) => 'A', chr(196).chr(129) => 'a',
chr(196).chr(130) => 'A', chr(196).chr(131) => 'a',
chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z',
chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z',
chr(197).chr(190) => 'z', chr(197).chr(191) => 's',
+ // Decompositions for Latin Extended-B
+ chr(200).chr(152) => 'S', chr(200).chr(153) => 's',
+ chr(200).chr(154) => 'T', chr(200).chr(155) => 't',
// Euro Sign
chr(226).chr(130).chr(172) => 'E',
// GBP (Pound) Sign
- chr(194).chr(163) => '');
+ chr(194).chr(163) => '',
+ // Vowels with diacritic (Vietnamese)
+ // unmarked
+ chr(198).chr(160) => 'O', chr(198).chr(161) => 'o',
+ chr(198).chr(175) => 'U', chr(198).chr(176) => 'u',
+ // grave accent
+ chr(225).chr(186).chr(166) => 'A', chr(225).chr(186).chr(167) => 'a',
+ chr(225).chr(186).chr(176) => 'A', chr(225).chr(186).chr(177) => 'a',
+ chr(225).chr(187).chr(128) => 'E', chr(225).chr(187).chr(129) => 'e',
+ chr(225).chr(187).chr(146) => 'O', chr(225).chr(187).chr(147) => 'o',
+ chr(225).chr(187).chr(156) => 'O', chr(225).chr(187).chr(157) => 'o',
+ chr(225).chr(187).chr(170) => 'U', chr(225).chr(187).chr(171) => 'u',
+ chr(225).chr(187).chr(178) => 'Y', chr(225).chr(187).chr(179) => 'y',
+ // hook
+ chr(225).chr(186).chr(162) => 'A', chr(225).chr(186).chr(163) => 'a',
+ chr(225).chr(186).chr(168) => 'A', chr(225).chr(186).chr(169) => 'a',
+ chr(225).chr(186).chr(178) => 'A', chr(225).chr(186).chr(179) => 'a',
+ chr(225).chr(186).chr(186) => 'E', chr(225).chr(186).chr(187) => 'e',
+ chr(225).chr(187).chr(130) => 'E', chr(225).chr(187).chr(131) => 'e',
+ chr(225).chr(187).chr(136) => 'I', chr(225).chr(187).chr(137) => 'i',
+ chr(225).chr(187).chr(142) => 'O', chr(225).chr(187).chr(143) => 'o',
+ chr(225).chr(187).chr(148) => 'O', chr(225).chr(187).chr(149) => 'o',
+ chr(225).chr(187).chr(158) => 'O', chr(225).chr(187).chr(159) => 'o',
+ chr(225).chr(187).chr(166) => 'U', chr(225).chr(187).chr(167) => 'u',
+ chr(225).chr(187).chr(172) => 'U', chr(225).chr(187).chr(173) => 'u',
+ chr(225).chr(187).chr(182) => 'Y', chr(225).chr(187).chr(183) => 'y',
+ // tilde
+ chr(225).chr(186).chr(170) => 'A', chr(225).chr(186).chr(171) => 'a',
+ chr(225).chr(186).chr(180) => 'A', chr(225).chr(186).chr(181) => 'a',
+ chr(225).chr(186).chr(188) => 'E', chr(225).chr(186).chr(189) => 'e',
+ chr(225).chr(187).chr(132) => 'E', chr(225).chr(187).chr(133) => 'e',
+ chr(225).chr(187).chr(150) => 'O', chr(225).chr(187).chr(151) => 'o',
+ chr(225).chr(187).chr(160) => 'O', chr(225).chr(187).chr(161) => 'o',
+ chr(225).chr(187).chr(174) => 'U', chr(225).chr(187).chr(175) => 'u',
+ chr(225).chr(187).chr(184) => 'Y', chr(225).chr(187).chr(185) => 'y',
+ // acute accent
+ chr(225).chr(186).chr(164) => 'A', chr(225).chr(186).chr(165) => 'a',
+ chr(225).chr(186).chr(174) => 'A', chr(225).chr(186).chr(175) => 'a',
+ chr(225).chr(186).chr(190) => 'E', chr(225).chr(186).chr(191) => 'e',
+ chr(225).chr(187).chr(144) => 'O', chr(225).chr(187).chr(145) => 'o',
+ chr(225).chr(187).chr(154) => 'O', chr(225).chr(187).chr(155) => 'o',
+ chr(225).chr(187).chr(168) => 'U', chr(225).chr(187).chr(169) => 'u',
+ // dot below
+ chr(225).chr(186).chr(160) => 'A', chr(225).chr(186).chr(161) => 'a',
+ chr(225).chr(186).chr(172) => 'A', chr(225).chr(186).chr(173) => 'a',
+ chr(225).chr(186).chr(182) => 'A', chr(225).chr(186).chr(183) => 'a',
+ chr(225).chr(186).chr(184) => 'E', chr(225).chr(186).chr(185) => 'e',
+ chr(225).chr(187).chr(134) => 'E', chr(225).chr(187).chr(135) => 'e',
+ chr(225).chr(187).chr(138) => 'I', chr(225).chr(187).chr(139) => 'i',
+ chr(225).chr(187).chr(140) => 'O', chr(225).chr(187).chr(141) => 'o',
+ chr(225).chr(187).chr(152) => 'O', chr(225).chr(187).chr(153) => 'o',
+ chr(225).chr(187).chr(162) => 'O', chr(225).chr(187).chr(163) => 'o',
+ chr(225).chr(187).chr(164) => 'U', chr(225).chr(187).chr(165) => 'u',
+ chr(225).chr(187).chr(176) => 'U', chr(225).chr(187).chr(177) => 'u',
+ chr(225).chr(187).chr(180) => 'Y', chr(225).chr(187).chr(181) => 'y',
+ // Vowels with diacritic (Chinese, Hanyu Pinyin)
+ chr(201).chr(145) => 'a',
+ // macron
+ chr(199).chr(149) => 'U', chr(199).chr(150) => 'u',
+ // acute accent
+ chr(199).chr(151) => 'U', chr(199).chr(152) => 'u',
+ // caron
+ chr(199).chr(141) => 'A', chr(199).chr(142) => 'a',
+ chr(199).chr(143) => 'I', chr(199).chr(144) => 'i',
+ chr(199).chr(145) => 'O', chr(199).chr(146) => 'o',
+ chr(199).chr(147) => 'U', chr(199).chr(148) => 'u',
+ chr(199).chr(153) => 'U', chr(199).chr(154) => 'u',
+ // grave accent
+ chr(199).chr(155) => 'U', chr(199).chr(156) => 'u',
+ );
+
+ // Used for locale-specific rules
+ $locale = get_locale();
+
+ if ( 'de_DE' == $locale ) {
+ $chars[ chr(195).chr(132) ] = 'Ae';
+ $chars[ chr(195).chr(164) ] = 'ae';
+ $chars[ chr(195).chr(150) ] = 'Oe';
+ $chars[ chr(195).chr(182) ] = 'oe';
+ $chars[ chr(195).chr(156) ] = 'Ue';
+ $chars[ chr(195).chr(188) ] = 'ue';
+ $chars[ chr(195).chr(159) ] = 'ss';
+ } elseif ( 'da_DK' === $locale ) {
+ $chars[ chr(195).chr(134) ] = 'Ae';
+ $chars[ chr(195).chr(166) ] = 'ae';
+ $chars[ chr(195).chr(152) ] = 'Oe';
+ $chars[ chr(195).chr(184) ] = 'oe';
+ $chars[ chr(195).chr(133) ] = 'Aa';
+ $chars[ chr(195).chr(165) ] = 'aa';
+ }
$string = strtr($string, $chars);
} else {
}
/**
- * Sanitizes a filename replacing whitespace with dashes
+ * Sanitizes a filename, replacing whitespace with dashes.
*
* Removes special characters that are illegal in filenames on certain
* operating systems and special characters requiring special escaping
* to manipulate at the command line. Replaces spaces and consecutive
- * dashes with a single dash. Trim period, dash and underscore from beginning
+ * dashes with a single dash. Trims period, dash and underscore from beginning
* and end of filename.
*
* @since 2.1.0
*/
function sanitize_file_name( $filename ) {
$filename_raw = $filename;
- $special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}");
- $special_chars = apply_filters('sanitize_file_name_chars', $special_chars, $filename_raw);
+ $special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", chr(0));
+ /**
+ * Filter the list of characters to remove from a filename.
+ *
+ * @since 2.8.0
+ *
+ * @param array $special_chars Characters to remove.
+ * @param string $filename_raw Filename as it was passed into sanitize_file_name().
+ */
+ $special_chars = apply_filters( 'sanitize_file_name_chars', $special_chars, $filename_raw );
$filename = str_replace($special_chars, '', $filename);
$filename = preg_replace('/[\s-]+/', '-', $filename);
$filename = trim($filename, '.-_');
+
+ // Split the filename into a base and extension[s]
+ $parts = explode('.', $filename);
+
+ // Return if only one extension
+ if ( count( $parts ) <= 2 ) {
+ /**
+ * Filter a sanitized filename string.
+ *
+ * @since 2.8.0
+ *
+ * @param string $filename Sanitized filename.
+ * @param string $filename_raw The filename prior to sanitization.
+ */
+ return apply_filters( 'sanitize_file_name', $filename, $filename_raw );
+ }
+
+ // Process multiple extensions
+ $filename = array_shift($parts);
+ $extension = array_pop($parts);
+ $mimes = get_allowed_mime_types();
+
+ /*
+ * Loop over any intermediate extensions. Postfix them with a trailing underscore
+ * if they are a 2 - 5 character long alpha string not in the extension whitelist.
+ */
+ foreach ( (array) $parts as $part) {
+ $filename .= '.' . $part;
+
+ if ( preg_match("/^[a-zA-Z]{2,5}\d?$/", $part) ) {
+ $allowed = false;
+ foreach ( $mimes as $ext_preg => $mime_match ) {
+ $ext_preg = '!^(' . $ext_preg . ')$!i';
+ if ( preg_match( $ext_preg, $part ) ) {
+ $allowed = true;
+ break;
+ }
+ }
+ if ( !$allowed )
+ $filename .= '_';
+ }
+ }
+ $filename .= '.' . $extension;
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters('sanitize_file_name', $filename, $filename_raw);
}
/**
- * Sanitize username stripping out unsafe characters.
+ * Sanitizes a username, stripping out unsafe characters.
*
- * If $strict is true, only alphanumeric characters (as well as _, space, ., -,
- * @) are returned.
- * Removes tags, octets, entities, and if strict is enabled, will remove all
- * non-ASCII characters. After sanitizing, it passes the username, raw username
- * (the username in the parameter), and the strict parameter as parameters for
- * the filter.
+ * Removes tags, octets, entities, and if strict is enabled, will only keep
+ * alphanumeric, _, space, ., -, @. After sanitizing, it passes the username,
+ * raw username (the username in the parameter), and the value of $strict as
+ * parameters for the 'sanitize_user' filter.
*
* @since 2.0.0
- * @uses apply_filters() Calls 'sanitize_user' hook on username, raw username,
- * and $strict parameter.
*
* @param string $username The username to be sanitized.
* @param bool $strict If set limits $username to specific characters. Default false.
*/
function sanitize_user( $username, $strict = false ) {
$raw_username = $username;
- $username = strip_tags($username);
+ $username = wp_strip_all_tags( $username );
+ $username = remove_accents( $username );
// Kill octets
- $username = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '', $username);
- $username = preg_replace('/&.+?;/', '', $username); // Kill entities
+ $username = preg_replace( '|%([a-fA-F0-9][a-fA-F0-9])|', '', $username );
+ $username = preg_replace( '/&.+?;/', '', $username ); // Kill entities
// If strict, reduce to ASCII for max portability.
if ( $strict )
- $username = preg_replace('|[^a-z0-9 _.\-@]|i', '', $username);
+ $username = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $username );
+ $username = trim( $username );
// Consolidate contiguous whitespace
- $username = preg_replace('|\s+|', ' ', $username);
+ $username = preg_replace( '|\s+|', ' ', $username );
+
+ /**
+ * Filter a sanitized username string.
+ *
+ * @since 2.0.1
+ *
+ * @param string $username Sanitized username.
+ * @param string $raw_username The username prior to sanitization.
+ * @param bool $strict Whether to limit the sanitization to specific characters. Default false.
+ */
+ return apply_filters( 'sanitize_user', $username, $raw_username, $strict );
+}
- return apply_filters('sanitize_user', $username, $raw_username, $strict);
+/**
+ * Sanitizes a string key.
+ *
+ * Keys are used as internal identifiers. Lowercase alphanumeric characters, dashes and underscores are allowed.
+ *
+ * @since 3.0.0
+ *
+ * @param string $key String key
+ * @return string Sanitized key
+ */
+function sanitize_key( $key ) {
+ $raw_key = $key;
+ $key = strtolower( $key );
+ $key = preg_replace( '/[^a-z0-9_\-]/', '', $key );
+
+ /**
+ * Filter a sanitized key string.
+ *
+ * @since 3.0.0
+ *
+ * @param string $key Sanitized key.
+ * @param string $raw_key The key prior to sanitization.
+ */
+ return apply_filters( 'sanitize_key', $key, $raw_key );
}
/**
- * Sanitizes title or use fallback title.
+ * Sanitizes a title, or returns a fallback title.
*
* Specifically, HTML and PHP tags are stripped. Further actions can be added
* via the plugin API. If $title is empty and $fallback_title is set, the latter
*
* @param string $title The string to be sanitized.
* @param string $fallback_title Optional. A title to use if $title is empty.
+ * @param string $context Optional. The operation for which the string is sanitized
* @return string The sanitized string.
*/
-function sanitize_title($title, $fallback_title = '') {
+function sanitize_title( $title, $fallback_title = '', $context = 'save' ) {
$raw_title = $title;
- $title = strip_tags($title);
- $title = apply_filters('sanitize_title', $title, $raw_title);
+
+ if ( 'save' == $context )
+ $title = remove_accents($title);
+
+ /**
+ * Filter a sanitized title string.
+ *
+ * @since 1.2.0
+ *
+ * @param string $title Sanitized title.
+ * @param string $raw_title The title prior to sanitization.
+ * @param string $context The context for which the title is being sanitized.
+ */
+ $title = apply_filters( 'sanitize_title', $title, $raw_title, $context );
if ( '' === $title || false === $title )
$title = $fallback_title;
}
/**
- * Sanitizes title, replacing whitespace with dashes.
+ * Sanitizes a title with the 'query' context.
+ *
+ * Used for querying the database for a value from URL.
+ *
+ * @since 3.1.0
+ * @uses sanitize_title()
+ *
+ * @param string $title The string to be sanitized.
+ * @return string The sanitized string.
+ */
+function sanitize_title_for_query( $title ) {
+ return sanitize_title( $title, '', 'query' );
+}
+
+/**
+ * Sanitizes a title, replacing whitespace and a few other characters with dashes.
*
* Limits the output to alphanumeric characters, underscore (_) and dash (-).
* Whitespace becomes a dash.
* @since 1.2.0
*
* @param string $title The title to be sanitized.
+ * @param string $raw_title Optional. Not used.
+ * @param string $context Optional. The operation for which the string is sanitized.
* @return string The sanitized title.
*/
-function sanitize_title_with_dashes($title) {
+function sanitize_title_with_dashes( $title, $raw_title = '', $context = 'display' ) {
$title = strip_tags($title);
// Preserve escaped octets.
$title = preg_replace('|%([a-fA-F0-9][a-fA-F0-9])|', '---$1---', $title);
// Restore octets.
$title = preg_replace('|---([a-fA-F0-9][a-fA-F0-9])---|', '%$1', $title);
- $title = remove_accents($title);
if (seems_utf8($title)) {
if (function_exists('mb_strtolower')) {
$title = mb_strtolower($title, 'UTF-8');
$title = strtolower($title);
$title = preg_replace('/&.+?;/', '', $title); // kill entities
$title = str_replace('.', '-', $title);
+
+ if ( 'save' == $context ) {
+ // Convert nbsp, ndash and mdash to hyphens
+ $title = str_replace( array( '%c2%a0', '%e2%80%93', '%e2%80%94' ), '-', $title );
+
+ // Strip these characters entirely
+ $title = str_replace( array(
+ // iexcl and iquest
+ '%c2%a1', '%c2%bf',
+ // angle quotes
+ '%c2%ab', '%c2%bb', '%e2%80%b9', '%e2%80%ba',
+ // curly quotes
+ '%e2%80%98', '%e2%80%99', '%e2%80%9c', '%e2%80%9d',
+ '%e2%80%9a', '%e2%80%9b', '%e2%80%9e', '%e2%80%9f',
+ // copy, reg, deg, hellip and trade
+ '%c2%a9', '%c2%ae', '%c2%b0', '%e2%80%a6', '%e2%84%a2',
+ // acute accents
+ '%c2%b4', '%cb%8a', '%cc%81', '%cd%81',
+ // grave accent, macron, caron
+ '%cc%80', '%cc%84', '%cc%8c',
+ ), '', $title );
+
+ // Convert times to x
+ $title = str_replace( '%c3%97', 'x', $title );
+ }
+
$title = preg_replace('/[^%a-z0-9 _-]/', '', $title);
$title = preg_replace('/\s+/', '-', $title);
$title = preg_replace('|-+|', '-', $title);
* @since 2.5.1
*
* @param string $orderby Order by string to be checked.
- * @return string|false Returns the order by clause if it is a match, false otherwise.
+ * @return string|bool Returns the order by clause if it is a match, false otherwise.
*/
function sanitize_sql_orderby( $orderby ){
preg_match('/^\s*([a-z0-9_]+(\s+(ASC|DESC))?(\s*,\s*|\s*$))+|^\s*RAND\(\s*\)\s*$/i', $orderby, $obmatches);
}
/**
- * Santizes a html classname to ensure it only contains valid characters
+ * Sanitizes an HTML classname to ensure it only contains valid characters.
*
- * Strips the string down to A-Z,a-z,0-9,'-' if this results in an empty
+ * Strips the string down to A-Z,a-z,0-9,_,-. If this results in an empty
* string then it will return the alternative value supplied.
*
* @todo Expand to support the full range of CDATA that a class attribute can contain.
* @since 2.8.0
*
* @param string $class The classname to be sanitized
- * @param string $fallback The value to return if the sanitization end's up as an empty string.
+ * @param string $fallback Optional. The value to return if the sanitization end's up as an empty string.
+ * Defaults to an empty string.
* @return string The sanitized value
*/
-function sanitize_html_class($class, $fallback){
+function sanitize_html_class( $class, $fallback = '' ) {
//Strip out any % encoded octets
- $sanitized = preg_replace('|%[a-fA-F0-9][a-fA-F0-9]|', '', $class);
+ $sanitized = preg_replace( '|%[a-fA-F0-9][a-fA-F0-9]|', '', $class );
- //Limit to A-Z,a-z,0-9,'-'
- $sanitized = preg_replace('/[^A-Za-z0-9-]/', '', $sanitized);
+ //Limit to A-Z,a-z,0-9,_,-
+ $sanitized = preg_replace( '/[^A-Za-z0-9_-]/', '', $sanitized );
- if ('' == $sanitized)
+ if ( '' == $sanitized )
$sanitized = $fallback;
- return apply_filters('sanitize_html_class',$sanitized, $class, $fallback);
+ /**
+ * Filter a sanitized HTML class string.
+ *
+ * @since 2.8.0
+ *
+ * @param string $sanitized The sanitized HTML class.
+ * @param string $class HTML class before sanitization.
+ * @param string $fallback The fallback string.
+ */
+ return apply_filters( 'sanitize_html_class', $sanitized, $class, $fallback );
}
/**
* @return string Converted string.
*/
function convert_chars($content, $deprecated = '') {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '0.71' );
+
// Translation of invalid Unicode references range to valid range
$wp_htmltranswinuni = array(
'€' => '€', // the Euro sign
'‹' => '‹',
'Œ' => 'Œ',
'' => '',
- 'Ž' => 'ž',
+ 'Ž' => 'Ž',
'' => '',
'' => '',
'‘' => '‘',
'›' => '›',
'œ' => 'œ',
'' => '',
- 'ž' => '',
+ 'ž' => 'ž',
'Ÿ' => 'Ÿ'
);
}
/**
- * Callback used to change %uXXXX to &#YYY; syntax
- *
- * @since 2.8?
- *
- * @param array $matches Single Match
- * @return string An HTML entity
- */
-function funky_javascript_callback($matches) {
- return "&#".base_convert($matches[1],16,10).";";
-}
-
-/**
- * Fixes javascript bugs in browsers.
- *
- * Converts unicode characters to HTML numbered entities.
- *
- * @since 1.5.0
- * @uses $is_macIE
- * @uses $is_winIE
- *
- * @param string $text Text to be made safe.
- * @return string Fixed text.
- */
-function funky_javascript_fix($text) {
- // Fixes for browsers' javascript bugs
- global $is_macIE, $is_winIE;
-
- if ( $is_winIE || $is_macIE )
- $text = preg_replace_callback("/\%u([0-9A-F]{4,4})/",
- "funky_javascript_callback",
- $text);
-
- return $text;
-}
-
-/**
- * Will only balance the tags if forced to and the option is set to balance tags.
- *
- * The option 'use_balanceTags' is used for whether the tags will be balanced.
- * Both the $force parameter and 'use_balanceTags' option will have to be true
- * before the tags will be balanced.
+ * Balances tags if forced to, or if the 'use_balanceTags' option is set to true.
*
* @since 0.71
*
* @param string $text Text to be balanced
- * @param bool $force Forces balancing, ignoring the value of the option. Default false.
+ * @param bool $force If true, forces balancing, ignoring the value of the option. Default false.
* @return string Balanced text
*/
function balanceTags( $text, $force = false ) {
- if ( !$force && get_option('use_balanceTags') == 0 )
+ if ( $force || get_option('use_balanceTags') == 1 ) {
+ return force_balance_tags( $text );
+ } else {
return $text;
- return force_balance_tags( $text );
+ }
}
/**
* @since 2.0.4
*
* @author Leonard Lin <leonard@acm.org>
- * @license GPL v2.0
+ * @license GPL
* @copyright November 4, 2001
* @version 1.1
* @todo Make better - change loop condition to $text in 1.2
* @return string Balanced text.
*/
function force_balance_tags( $text ) {
- $tagstack = array(); $stacksize = 0; $tagqueue = ''; $newtext = '';
- $single_tags = array('br', 'hr', 'img', 'input'); //Known single-entity/self-closing tags
- $nestable_tags = array('blockquote', 'div', 'span'); //Tags that can be immediately nested within themselves
-
- # WP bug fix for comments - in case you REALLY meant to type '< !--'
+ $tagstack = array();
+ $stacksize = 0;
+ $tagqueue = '';
+ $newtext = '';
+ // Known single-entity/self-closing tags
+ $single_tags = array( 'area', 'base', 'basefont', 'br', 'col', 'command', 'embed', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param', 'source' );
+ // Tags that can be immediately nested within themselves
+ $nestable_tags = array( 'blockquote', 'div', 'object', 'q', 'span' );
+
+ // WP bug fix for comments - in case you REALLY meant to type '< !--'
$text = str_replace('< !--', '< !--', $text);
- # WP bug fix for LOVE <3 (and other situations with '<' before a number)
+ // WP bug fix for LOVE <3 (and other situations with '<' before a number)
$text = preg_replace('#<([0-9]{1})#', '<$1', $text);
- while (preg_match("/<(\/?\w*)\s*([^>]*)>/",$text,$regex)) {
+ while ( preg_match("/<(\/?[\w:]*)\s*([^>]*)>/", $text, $regex) ) {
$newtext .= $tagqueue;
- $i = strpos($text,$regex[0]);
+ $i = strpos($text, $regex[0]);
$l = strlen($regex[0]);
// clear the shifter
if ( isset($regex[1][0]) && '/' == $regex[1][0] ) { // End Tag
$tag = strtolower(substr($regex[1],1));
// if too many closing tags
- if($stacksize <= 0) {
+ if( $stacksize <= 0 ) {
$tag = '';
- //or close to be safe $tag = '/' . $tag;
+ // or close to be safe $tag = '/' . $tag;
}
// if stacktop value = tag close value then pop
- else if ($tagstack[$stacksize - 1] == $tag) { // found closing tag
+ else if ( $tagstack[$stacksize - 1] == $tag ) { // found closing tag
$tag = '</' . $tag . '>'; // Close Tag
// Pop
- array_pop ($tagstack);
+ array_pop( $tagstack );
$stacksize--;
} else { // closing tag not at top, search for it
- for ($j=$stacksize-1;$j>=0;$j--) {
- if ($tagstack[$j] == $tag) {
+ for ( $j = $stacksize-1; $j >= 0; $j-- ) {
+ if ( $tagstack[$j] == $tag ) {
// add tag to tagqueue
- for ($k=$stacksize-1;$k>=$j;$k--){
- $tagqueue .= '</' . array_pop ($tagstack) . '>';
+ for ( $k = $stacksize-1; $k >= $j; $k--) {
+ $tagqueue .= '</' . array_pop( $tagstack ) . '>';
$stacksize--;
}
break;
// Tag Cleaning
- // If self-closing or '', don't do anything.
- if((substr($regex[2],-1) == '/') || ($tag == '')) {
+ // If it's an empty tag "< >", do nothing
+ if ( '' == $tag ) {
+ // do nothing
+ }
+ // ElseIf it presents itself as a self-closing tag...
+ elseif ( substr( $regex[2], -1 ) == '/' ) {
+ // ...but it isn't a known single-entity self-closing tag, then don't let it be treated as such and
+ // immediately close it with a closing tag (the tag will encapsulate no text as a result)
+ if ( ! in_array( $tag, $single_tags ) )
+ $regex[2] = trim( substr( $regex[2], 0, -1 ) ) . "></$tag";
}
// ElseIf it's a known single-entity tag but it doesn't close itself, do so
elseif ( in_array($tag, $single_tags) ) {
$regex[2] .= '/';
- } else { // Push the tag onto the stack
+ }
+ // Else it's not a single-entity tag
+ else {
// If the top of the stack is the same as the tag we want to push, close previous tag
- if (($stacksize > 0) && !in_array($tag, $nestable_tags) && ($tagstack[$stacksize - 1] == $tag)) {
- $tagqueue = '</' . array_pop ($tagstack) . '>';
+ if ( $stacksize > 0 && !in_array($tag, $nestable_tags) && $tagstack[$stacksize - 1] == $tag ) {
+ $tagqueue = '</' . array_pop( $tagstack ) . '>';
$stacksize--;
}
- $stacksize = array_push ($tagstack, $tag);
+ $stacksize = array_push( $tagstack, $tag );
}
// Attributes
$attributes = $regex[2];
- if($attributes) {
- $attributes = ' '.$attributes;
- }
- $tag = '<'.$tag.$attributes.'>';
+ if( ! empty( $attributes ) && $attributes[0] != '>' )
+ $attributes = ' ' . $attributes;
+
+ $tag = '<' . $tag . $attributes . '>';
//If already queuing a close tag, then put this tag on, too
- if ($tagqueue) {
+ if ( !empty($tagqueue) ) {
$tagqueue .= $tag;
$tag = '';
}
}
- $newtext .= substr($text,0,$i) . $tag;
- $text = substr($text,$i+$l);
+ $newtext .= substr($text, 0, $i) . $tag;
+ $text = substr($text, $i + $l);
}
// Clear Tag Queue
$newtext .= $text;
// Empty Stack
- while($x = array_pop($tagstack)) {
+ while( $x = array_pop($tagstack) )
$newtext .= '</' . $x . '>'; // Add remaining tags to close
- }
// WP fix for the bug with HTML comments
$newtext = str_replace("< !--","<!--",$newtext);
/**
* Acts on text which is about to be edited.
*
- * Unless $richedit is set, it is simply a holder for the 'format_to_edit'
- * filter. If $richedit is set true htmlspecialchars() will be run on the
- * content, converting special characters to HTMl entities.
+ * The $content is run through esc_textarea(), which uses htmlspecialchars()
+ * to convert special characters to HTML entities. If $richedit is set to true,
+ * it is simply a holder for the 'format_to_edit' filter.
*
* @since 0.71
*
* @param string $content The text about to be edited.
- * @param bool $richedit Whether or not the $content should pass through htmlspecialchars(). Default false.
+ * @param bool $richedit Whether the $content should not pass through htmlspecialchars(). Default false (meaning it will be passed).
* @return string The text after the filter (and possibly htmlspecialchars()) has been run.
*/
-function format_to_edit($content, $richedit = false) {
- $content = apply_filters('format_to_edit', $content);
- if (! $richedit )
- $content = htmlspecialchars($content);
+function format_to_edit( $content, $richedit = false ) {
+ /**
+ * Filter the text to be formatted for editing.
+ *
+ * @since 1.2.0
+ *
+ * @param string $content The text, prior to formatting for editing.
+ */
+ $content = apply_filters( 'format_to_edit', $content );
+ if ( ! $richedit )
+ $content = esc_textarea( $content );
return $content;
}
* @return string Text returned from the 'format_to_post' filter.
*/
function format_to_post($content) {
- $content = apply_filters('format_to_post', $content);
+ /**
+ * Filter the string returned by format_to_post().
+ *
+ * @since 1.2.0
+ *
+ * @param string $content The string to format.
+ */
+ $content = apply_filters( 'format_to_post', $content );
return $content;
}
* Add leading zeros when necessary.
*
* If you set the threshold to '4' and the number is '10', then you will get
- * back '0010'. If you set the number to '4' and the number is '5000', then you
+ * back '0010'. If you set the threshold to '4' and the number is '5000', then you
* will get back '5000'.
*
* Uses sprintf to append the amount of zeros based on the $threshold parameter
* @return string String with backslashes inserted.
*/
function backslashit($string) {
- $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string);
- $string = preg_replace('/([a-z])/i', '\\\\\1', $string);
- return $string;
+ if ( isset( $string[0] ) && $string[0] >= '0' && $string[0] <= '9' )
+ $string = '\\\\' . $string;
+ return addcslashes( $string, 'A..Za..z' );
}
/**
* @return string Returns a string escaped with slashes.
*/
function addslashes_gpc($gpc) {
- global $wpdb;
-
- if (get_magic_quotes_gpc()) {
+ if ( get_magic_quotes_gpc() )
$gpc = stripslashes($gpc);
- }
- return $wpdb->escape($gpc);
+ return wp_slash($gpc);
}
/**
*
* @since 2.0.0
*
- * @param array|string $value The array or string to be striped.
- * @return array|string Stripped array (or string in the callback).
+ * @param mixed $value The value to be stripped.
+ * @return mixed Stripped value.
*/
function stripslashes_deep($value) {
- $value = is_array($value) ? array_map('stripslashes_deep', $value) : stripslashes($value);
+ if ( is_array($value) ) {
+ $value = array_map('stripslashes_deep', $value);
+ } elseif ( is_object($value) ) {
+ $vars = get_object_vars( $value );
+ foreach ($vars as $key=>$data) {
+ $value->{$key} = stripslashes_deep( $data );
+ }
+ } elseif ( is_string( $value ) ) {
+ $value = stripslashes($value);
+ }
+
return $value;
}
/**
* Navigates through an array and encodes the values to be used in a URL.
*
- * Uses a callback to pass the value of the array back to the function as a
- * string.
*
* @since 2.2.0
*
return $value;
}
+/**
+ * Navigates through an array and raw encodes the values to be used in a URL.
+ *
+ * @since 3.4.0
+ *
+ * @param array|string $value The array or string to be encoded.
+ * @return array|string $value The encoded array (or string from the callback).
+ */
+function rawurlencode_deep( $value ) {
+ return is_array( $value ) ? array_map( 'rawurlencode_deep', $value ) : rawurlencode( $value );
+}
+
/**
* Converts email addresses characters to HTML entities to block spam bots.
*
* @since 0.71
*
- * @param string $emailaddy Email address.
- * @param int $mailto Optional. Range from 0 to 1. Used for encoding.
+ * @param string $email_address Email address.
+ * @param int $hex_encoding Optional. Set to 1 to enable hex encoding.
* @return string Converted email address.
*/
-function antispambot($emailaddy, $mailto=0) {
- $emailNOSPAMaddy = '';
- srand ((float) microtime() * 1000000);
- for ($i = 0; $i < strlen($emailaddy); $i = $i + 1) {
- $j = floor(rand(0, 1+$mailto));
- if ($j==0) {
- $emailNOSPAMaddy .= '&#'.ord(substr($emailaddy,$i,1)).';';
- } elseif ($j==1) {
- $emailNOSPAMaddy .= substr($emailaddy,$i,1);
- } elseif ($j==2) {
- $emailNOSPAMaddy .= '%'.zeroise(dechex(ord(substr($emailaddy, $i, 1))), 2);
+function antispambot( $email_address, $hex_encoding = 0 ) {
+ $email_no_spam_address = '';
+ for ( $i = 0; $i < strlen( $email_address ); $i++ ) {
+ $j = rand( 0, 1 + $hex_encoding );
+ if ( $j == 0 ) {
+ $email_no_spam_address .= '&#' . ord( $email_address[$i] ) . ';';
+ } elseif ( $j == 1 ) {
+ $email_no_spam_address .= $email_address[$i];
+ } elseif ( $j == 2 ) {
+ $email_no_spam_address .= '%' . zeroise( dechex( ord( $email_address[$i] ) ), 2 );
}
}
- $emailNOSPAMaddy = str_replace('@','@',$emailNOSPAMaddy);
- return $emailNOSPAMaddy;
+
+ $email_no_spam_address = str_replace( '@', '@', $email_no_spam_address );
+
+ return $email_no_spam_address;
}
/**
*/
function _make_url_clickable_cb($matches) {
$url = $matches[2];
+
+ if ( ')' == $matches[3] && strpos( $url, '(' ) ) {
+ // If the trailing character is a closing parethesis, and the URL has an opening parenthesis in it, add the closing parenthesis to the URL.
+ // Then we can let the parenthesis balancer do its thing below.
+ $url .= $matches[3];
+ $suffix = '';
+ } else {
+ $suffix = $matches[3];
+ }
+
+ // Include parentheses in the URL only if paired
+ while ( substr_count( $url, '(' ) < substr_count( $url, ')' ) ) {
+ $suffix = strrchr( $url, ')' ) . $suffix;
+ $url = substr( $url, 0, strrpos( $url, ')' ) );
+ }
+
$url = esc_url($url);
if ( empty($url) )
return $matches[0];
- return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>";
+
+ return $matches[1] . "<a href=\"$url\" rel=\"nofollow\">$url</a>" . $suffix;
}
/**
$dest = esc_url($dest);
if ( empty($dest) )
return $matches[0];
- // removed trailing [,;:] from URL
- if ( in_array(substr($dest, -1), array('.', ',', ';', ':')) === true ) {
+
+ // removed trailing [.,;:)] from URL
+ if ( in_array( substr($dest, -1), array('.', ',', ';', ':', ')') ) === true ) {
$ret = substr($dest, -1);
$dest = substr($dest, 0, strlen($dest)-1);
}
- return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>" . $ret;
+ return $matches[1] . "<a href=\"$dest\" rel=\"nofollow\">$dest</a>$ret";
}
/**
*
* @since 0.71
*
- * @param string $ret Content to convert URIs.
+ * @param string $text Content to convert URIs.
* @return string Content with converted URIs.
*/
-function make_clickable($ret) {
- $ret = ' ' . $ret;
- // in testing, using arrays here was found to be faster
- $ret = preg_replace_callback('#(?<=[\s>])(\()?([\w]+?://(?:[\w\\x80-\\xff\#$%&~/\-=?@\[\](+]|[.,;:](?![\s<])|(?(1)\)(?![\s<])|\)))+)#is', '_make_url_clickable_cb', $ret);
- $ret = preg_replace_callback('#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret);
- $ret = preg_replace_callback('#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret);
- // this one is not in an array because we need it to run last, for cleanup of accidental links within links
- $ret = preg_replace("#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i", "$1$3</a>", $ret);
- $ret = trim($ret);
- return $ret;
+function make_clickable( $text ) {
+ $r = '';
+ $textarr = preg_split( '/(<[^<>]+>)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // split out HTML tags
+ $nested_code_pre = 0; // Keep track of how many levels link is nested inside <pre> or <code>
+ foreach ( $textarr as $piece ) {
+
+ if ( preg_match( '|^<code[\s>]|i', $piece ) || preg_match( '|^<pre[\s>]|i', $piece ) )
+ $nested_code_pre++;
+ elseif ( ( '</code>' === strtolower( $piece ) || '</pre>' === strtolower( $piece ) ) && $nested_code_pre )
+ $nested_code_pre--;
+
+ if ( $nested_code_pre || empty( $piece ) || ( $piece[0] === '<' && ! preg_match( '|^<\s*[\w]{1,20}+://|', $piece ) ) ) {
+ $r .= $piece;
+ continue;
+ }
+
+ // Long strings might contain expensive edge cases ...
+ if ( 10000 < strlen( $piece ) ) {
+ // ... break it up
+ foreach ( _split_str_by_whitespace( $piece, 2100 ) as $chunk ) { // 2100: Extra room for scheme and leading and trailing paretheses
+ if ( 2101 < strlen( $chunk ) ) {
+ $r .= $chunk; // Too big, no whitespace: bail.
+ } else {
+ $r .= make_clickable( $chunk );
+ }
+ }
+ } else {
+ $ret = " $piece "; // Pad with whitespace to simplify the regexes
+
+ $url_clickable = '~
+ ([\\s(<.,;:!?]) # 1: Leading whitespace, or punctuation
+ ( # 2: URL
+ [\\w]{1,20}+:// # Scheme and hier-part prefix
+ (?=\S{1,2000}\s) # Limit to URLs less than about 2000 characters long
+ [\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]*+ # Non-punctuation URL character
+ (?: # Unroll the Loop: Only allow puctuation URL character if followed by a non-punctuation URL character
+ [\'.,;:!?)] # Punctuation URL character
+ [\\w\\x80-\\xff#%\\~/@\\[\\]*(+=&$-]++ # Non-punctuation URL character
+ )*
+ )
+ (\)?) # 3: Trailing closing parenthesis (for parethesis balancing post processing)
+ ~xS'; // The regex is a non-anchored pattern and does not have a single fixed starting character.
+ // Tell PCRE to spend more time optimizing since, when used on a page load, it will probably be used several times.
+
+ $ret = preg_replace_callback( $url_clickable, '_make_url_clickable_cb', $ret );
+
+ $ret = preg_replace_callback( '#([\s>])((www|ftp)\.[\w\\x80-\\xff\#$%&~/.\-;:=,?@\[\]+]+)#is', '_make_web_ftp_clickable_cb', $ret );
+ $ret = preg_replace_callback( '#([\s>])([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})#i', '_make_email_clickable_cb', $ret );
+
+ $ret = substr( $ret, 1, -1 ); // Remove our whitespace padding.
+ $r .= $ret;
+ }
+ }
+
+ // Cleanup of accidental links within links
+ $r = preg_replace( '#(<a( [^>]+?>|>))<a [^>]+?>([^>]+?)</a></a>#i', "$1$3</a>", $r );
+ return $r;
+}
+
+/**
+ * Breaks a string into chunks by splitting at whitespace characters.
+ * The length of each returned chunk is as close to the specified length goal as possible,
+ * with the caveat that each chunk includes its trailing delimiter.
+ * Chunks longer than the goal are guaranteed to not have any inner whitespace.
+ *
+ * Joining the returned chunks with empty delimiters reconstructs the input string losslessly.
+ *
+ * Input string must have no null characters (or eventual transformations on output chunks must not care about null characters)
+ *
+ * <code>
+ * _split_str_by_whitespace( "1234 67890 1234 67890a cd 1234 890 123456789 1234567890a 45678 1 3 5 7 90 ", 10 ) ==
+ * array (
+ * 0 => '1234 67890 ', // 11 characters: Perfect split
+ * 1 => '1234 ', // 5 characters: '1234 67890a' was too long
+ * 2 => '67890a cd ', // 10 characters: '67890a cd 1234' was too long
+ * 3 => '1234 890 ', // 11 characters: Perfect split
+ * 4 => '123456789 ', // 10 characters: '123456789 1234567890a' was too long
+ * 5 => '1234567890a ', // 12 characters: Too long, but no inner whitespace on which to split
+ * 6 => ' 45678 ', // 11 characters: Perfect split
+ * 7 => '1 3 5 7 9', // 9 characters: End of $string
+ * );
+ * </code>
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $string The string to split.
+ * @param int $goal The desired chunk length.
+ * @return array Numeric array of chunks.
+ */
+function _split_str_by_whitespace( $string, $goal ) {
+ $chunks = array();
+
+ $string_nullspace = strtr( $string, "\r\n\t\v\f ", "\000\000\000\000\000\000" );
+
+ while ( $goal < strlen( $string_nullspace ) ) {
+ $pos = strrpos( substr( $string_nullspace, 0, $goal + 1 ), "\000" );
+
+ if ( false === $pos ) {
+ $pos = strpos( $string_nullspace, "\000", $goal + 1 );
+ if ( false === $pos ) {
+ break;
+ }
+ }
+
+ $chunks[] = substr( $string, 0, $pos + 1 );
+ $string = substr( $string, $pos + 1 );
+ $string_nullspace = substr( $string_nullspace, $pos + 1 );
+ }
+
+ if ( $string ) {
+ $chunks[] = $string;
+ }
+
+ return $chunks;
}
/**
* @return string Converted content.
*/
function wp_rel_nofollow( $text ) {
- global $wpdb;
// This is a pre save filter, so text is already escaped.
$text = stripslashes($text);
$text = preg_replace_callback('|<a (.+?)>|i', 'wp_rel_nofollow_callback', $text);
- $text = $wpdb->escape($text);
+ $text = wp_slash($text);
return $text;
}
/**
- * Callback to used to add rel=nofollow string to HTML A element.
+ * Callback to add rel=nofollow string to HTML A element.
*
* Will remove already existing rel="nofollow" and rel='nofollow' from the
* string to prevent from invalidating (X)HTML.
return "<a $text rel=\"nofollow\">";
}
-
/**
* Convert one smiley code to the icon graphic file equivalent.
*
+ * Callback handler for {@link convert_smilies()}.
* Looks up one smiley code in the $wpsmiliestrans global array and returns an
* <img> string for that smiley.
*
* @global array $wpsmiliestrans
* @since 2.8.0
*
- * @param string $smiley Smiley code to convert to image.
+ * @param array $matches Single match. Smiley code to convert to image.
* @return string Image string for smiley.
*/
-function translate_smiley($smiley) {
+function translate_smiley( $matches ) {
global $wpsmiliestrans;
- if (count($smiley) == 0) {
+ if ( count( $matches ) == 0 )
return '';
- }
-
- $siteurl = get_option( 'siteurl' );
- $smiley = trim(reset($smiley));
- $img = $wpsmiliestrans[$smiley];
- $smiley_masked = esc_attr($smiley);
+ $smiley = trim( reset( $matches ) );
+ $img = $wpsmiliestrans[ $smiley ];
+
+ /**
+ * Filter the Smiley image URL before it's used in the image element.
+ *
+ * @since 2.9.0
+ *
+ * @param string $smiley_url URL for the smiley image.
+ * @param string $img Filename for the smiley image.
+ * @param string $site_url Site URL, as returned by site_url().
+ */
+ $src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() );
- return " <img src='$siteurl/wp-includes/images/smilies/$img' alt='$smiley_masked' class='wp-smiley' /> ";
+ return sprintf( ' <img src="%s" alt="%s" class="wp-smiley" /> ', esc_url( $src_url ), esc_attr( $smiley ) );
}
-
/**
* Convert text equivalent of smilies to images.
*
* @param string $text Content to convert smilies from text.
* @return string Converted content with text smilies replaced with images.
*/
-function convert_smilies($text) {
+function convert_smilies( $text ) {
global $wp_smiliessearch;
$output = '';
- if ( get_option('use_smilies') && !empty($wp_smiliessearch) ) {
+ if ( get_option( 'use_smilies' ) && ! empty( $wp_smiliessearch ) ) {
// HTML loop taken from texturize function, could possible be consolidated
- $textarr = preg_split("/(<.*>)/U", $text, -1, PREG_SPLIT_DELIM_CAPTURE); // capture the tags as well as in between
- $stop = count($textarr);// loop stuff
- for ($i = 0; $i < $stop; $i++) {
+ $textarr = preg_split( '/(<.*>)/U', $text, -1, PREG_SPLIT_DELIM_CAPTURE ); // capture the tags as well as in between
+ $stop = count( $textarr );// loop stuff
+
+ // Ignore proessing of specific tags
+ $tags_to_ignore = 'code|pre|style|script|textarea';
+ $ignore_block_element = '';
+
+ for ( $i = 0; $i < $stop; $i++ ) {
$content = $textarr[$i];
- if ((strlen($content) > 0) && ('<' != $content{0})) { // If it's not a tag
- $content = preg_replace_callback($wp_smiliessearch, 'translate_smiley', $content);
+
+ // If we're in an ignore block, wait until we find its closing tag
+ if ( '' == $ignore_block_element && preg_match( '/^<(' . $tags_to_ignore . ')>/', $content, $matches ) ) {
+ $ignore_block_element = $matches[1];
+ }
+
+ // If it's not a tag and not in ignore block
+ if ( '' == $ignore_block_element && strlen( $content ) > 0 && '<' != $content[0] ) {
+ $content = preg_replace_callback( $wp_smiliessearch, 'translate_smiley', $content );
}
+
+ // did we exit ignore block
+ if ( '' != $ignore_block_element && '</' . $ignore_block_element . '>' == $content ) {
+ $ignore_block_element = '';
+ }
+
$output .= $content;
}
} else {
* @since 0.71
*
* @param string $email Email address to verify.
- * @param boolean $check_dns Whether to check the DNS for the domain using checkdnsrr().
+ * @param boolean $deprecated Deprecated.
* @return string|bool Either false or the valid email address.
*/
-function is_email( $email, $check_dns = false ) {
+function is_email( $email, $deprecated = false ) {
+ if ( ! empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '3.0' );
+
// Test for the minimum length the email can be
if ( strlen( $email ) < 3 ) {
+ /**
+ * Filter whether an email address is valid.
+ *
+ * This filter is evaluated under several different contexts, such as 'email_too_short',
+ * 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits',
+ * 'domain_no_periods', 'sub_hyphen_limits', 'sub_invalid_chars', or no specific context.
+ *
+ * @since 2.8.0
+ *
+ * @param bool $is_email Whether the email address has passed the is_email() checks. Default false.
+ * @param string $email The email address being checked.
+ * @param string $message An explanatory message to the user.
+ * @param string $context Context under which the email was tested.
+ */
return apply_filters( 'is_email', false, $email, 'email_too_short' );
}
// Test for an @ character after the first position
if ( strpos( $email, '@', 1 ) === false ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'email_no_at' );
}
// LOCAL PART
// Test for invalid characters
if ( !preg_match( '/^[a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]+$/', $local ) ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'local_invalid_chars' );
}
// DOMAIN PART
// Test for sequences of periods
if ( preg_match( '/\.{2,}/', $domain ) ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'domain_period_sequence' );
}
// Test for leading and trailing periods and whitespace
if ( trim( $domain, " \t\n\r\0\x0B." ) !== $domain ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'domain_period_limits' );
}
// Assume the domain will have at least two subs
if ( 2 > count( $subs ) ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'domain_no_periods' );
}
foreach ( $subs as $sub ) {
// Test for leading and trailing hyphens and whitespace
if ( trim( $sub, " \t\n\r\0\x0B-" ) !== $sub ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'sub_hyphen_limits' );
}
// Test for invalid characters
if ( !preg_match('/^[a-z0-9-]+$/i', $sub ) ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', false, $email, 'sub_invalid_chars' );
}
}
- // DNS
- // Check the domain has a valid MX and A resource record
- if ( $check_dns && function_exists( 'checkdnsrr' ) && !( checkdnsrr( $domain . '.', 'MX' ) || checkdnsrr( $domain . '.', 'A' ) ) ) {
- return apply_filters( 'is_email', false, $email, 'dns_no_rr' );
- }
-
// Congratulations your email made it!
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'is_email', $email, $email, null );
}
* Convert to ASCII from email subjects.
*
* @since 1.2.0
- * @usedby wp_mail() handles charsets in email subjects
*
* @param string $string Subject line
* @return string Converted string to ASCII
return $string;
} else {
$subject = str_replace('_', ' ', $matches[2]);
- $subject = preg_replace_callback('#\=([0-9a-f]{2})#i', create_function('$match', 'return chr(hexdec(strtolower($match[1])));'), $subject);
+ $subject = preg_replace_callback('#\=([0-9a-f]{2})#i', '_wp_iso_convert', $subject);
return $subject;
}
}
+/**
+ * Helper function to convert hex encoded chars to ASCII
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param array $match The preg_replace_callback matches array
+ * @return array Converted chars
+ */
+function _wp_iso_convert( $match ) {
+ return chr( hexdec( strtolower( $match[1] ) ) );
+}
+
/**
* Returns a date in the GMT equivalent.
*
- * Requires and returns a date in the Y-m-d H:i:s format. Simply subtracts the
- * value of the 'gmt_offset' option.
+ * Requires and returns a date in the Y-m-d H:i:s format. If there is a
+ * timezone_string available, the date is assumed to be in that timezone,
+ * otherwise it simply subtracts the value of the 'gmt_offset' option. Return
+ * format can be overridden using the $format parameter.
*
* @since 1.2.0
*
- * @uses get_option() to retrieve the the value of 'gmt_offset'.
+ * @uses get_option() to retrieve the value of 'gmt_offset'.
* @param string $string The date to be converted.
+ * @param string $format The format string for the returned date (default is Y-m-d H:i:s)
* @return string GMT version of the date provided.
*/
-function get_gmt_from_date($string) {
- preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches);
- $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
- $string_gmt = gmdate('Y-m-d H:i:s', $string_time - get_option('gmt_offset') * 3600);
+function get_gmt_from_date( $string, $format = 'Y-m-d H:i:s' ) {
+ $tz = get_option( 'timezone_string' );
+ if ( $tz ) {
+ $datetime = date_create( $string, new DateTimeZone( $tz ) );
+ if ( ! $datetime )
+ return gmdate( $format, 0 );
+ $datetime->setTimezone( new DateTimeZone( 'UTC' ) );
+ $string_gmt = $datetime->format( $format );
+ } else {
+ if ( ! preg_match( '#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches ) )
+ return gmdate( $format, 0 );
+ $string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
+ $string_gmt = gmdate( $format, $string_time - get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
+ }
return $string_gmt;
}
/**
* Converts a GMT date into the correct format for the blog.
*
- * Requires and returns in the Y-m-d H:i:s format. Simply adds the value of
- * gmt_offset.
+ * Requires and returns a date in the Y-m-d H:i:s format. If there is a
+ * timezone_string available, the returned date is in that timezone, otherwise
+ * it simply adds the value of gmt_offset. Return format can be overridden
+ * using the $format parameter
*
* @since 1.2.0
*
* @param string $string The date to be converted.
- * @return string Formatted date relative to the GMT offset.
- */
-function get_date_from_gmt($string) {
- preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches);
- $string_time = gmmktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
- $string_localtime = gmdate('Y-m-d H:i:s', $string_time + get_option('gmt_offset')*3600);
+ * @param string $format The format string for the returned date (default is Y-m-d H:i:s)
+ * @return string Formatted date relative to the timezone / GMT offset.
+ */
+function get_date_from_gmt( $string, $format = 'Y-m-d H:i:s' ) {
+ $tz = get_option( 'timezone_string' );
+ if ( $tz ) {
+ $datetime = date_create( $string, new DateTimeZone( 'UTC' ) );
+ if ( ! $datetime )
+ return date( $format, 0 );
+ $datetime->setTimezone( new DateTimeZone( $tz ) );
+ $string_localtime = $datetime->format( $format );
+ } else {
+ if ( ! preg_match('#([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})#', $string, $matches) )
+ return date( $format, 0 );
+ $string_time = gmmktime( $matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1] );
+ $string_localtime = gmdate( $format, $string_time + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
+ }
return $string_localtime;
}
$sign = (substr($timezone, 0, 1) == '+') ? 1 : -1;
$hours = intval(substr($timezone, 1, 2));
$minutes = intval(substr($timezone, 3, 4)) / 60;
- $offset = $sign * 3600 * ($hours + $minutes);
+ $offset = $sign * HOUR_IN_SECONDS * ($hours + $minutes);
}
return $offset;
}
if (!empty($date_bits[7])) { // we have a timezone, so let's compute an offset
$offset = iso8601_timezone_to_offset($date_bits[7]);
} else { // we don't have a timezone, so we assume user local timezone (not server's!)
- $offset = 3600 * get_option('gmt_offset');
+ $offset = HOUR_IN_SECONDS * get_option('gmt_offset');
}
$timestamp = gmmktime($date_bits[4], $date_bits[5], $date_bits[6], $date_bits[2], $date_bits[3], $date_bits[1]);
function sanitize_email( $email ) {
// Test for the minimum length the email can be
if ( strlen( $email ) < 3 ) {
+ /**
+ * Filter a sanitized email address.
+ *
+ * This filter is evaluated under several contexts, including 'email_too_short',
+ * 'email_no_at', 'local_invalid_chars', 'domain_period_sequence', 'domain_period_limits',
+ * 'domain_no_periods', 'domain_no_valid_subs', or no context.
+ *
+ * @since 2.8.0
+ *
+ * @param string $email The sanitized email address.
+ * @param string $email The email address, as provided to sanitize_email().
+ * @param string $message A message to pass to the user.
+ */
return apply_filters( 'sanitize_email', '', $email, 'email_too_short' );
}
// Test for an @ character after the first position
if ( strpos( $email, '@', 1 ) === false ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'sanitize_email', '', $email, 'email_no_at' );
}
// Test for invalid characters
$local = preg_replace( '/[^a-zA-Z0-9!#$%&\'*+\/=?^_`{|}~\.-]/', '', $local );
if ( '' === $local ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'sanitize_email', '', $email, 'local_invalid_chars' );
}
// Test for sequences of periods
$domain = preg_replace( '/\.{2,}/', '', $domain );
if ( '' === $domain ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'sanitize_email', '', $email, 'domain_period_sequence' );
}
// Test for leading and trailing periods and whitespace
$domain = trim( $domain, " \t\n\r\0\x0B." );
if ( '' === $domain ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'sanitize_email', '', $email, 'domain_period_limits' );
}
// Assume the domain will have at least two subs
if ( 2 > count( $subs ) ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'sanitize_email', '', $email, 'domain_no_periods' );
}
$sub = trim( $sub, " \t\n\r\0\x0B-" );
// Test for invalid characters
- $sub = preg_replace( '/^[^a-z0-9-]+$/i', '', $sub );
+ $sub = preg_replace( '/[^a-z0-9-]+/i', '', $sub );
// If there's anything left, add it to the valid subs
if ( '' !== $sub ) {
// If there aren't 2 or more valid subs
if ( 2 > count( $new_subs ) ) {
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'sanitize_email', '', $email, 'domain_no_valid_subs' );
}
$email = $local . '@' . $domain;
// Congratulations your email made it!
+ /** This filter is documented in wp-includes/formatting.php */
return apply_filters( 'sanitize_email', $email, $email, null );
}
* @return string Human readable time difference.
*/
function human_time_diff( $from, $to = '' ) {
- if ( empty($to) )
+ if ( empty( $to ) )
$to = time();
- $diff = (int) abs($to - $from);
- if ($diff <= 3600) {
- $mins = round($diff / 60);
- if ($mins <= 1) {
+
+ $diff = (int) abs( $to - $from );
+
+ if ( $diff < HOUR_IN_SECONDS ) {
+ $mins = round( $diff / MINUTE_IN_SECONDS );
+ if ( $mins <= 1 )
$mins = 1;
- }
- $since = sprintf(_n('%s min', '%s mins', $mins), $mins);
- } else if (($diff <= 86400) && ($diff > 3600)) {
- $hours = round($diff / 3600);
- if ($hours <= 1) {
+ /* translators: min=minute */
+ $since = sprintf( _n( '%s min', '%s mins', $mins ), $mins );
+ } elseif ( $diff < DAY_IN_SECONDS && $diff >= HOUR_IN_SECONDS ) {
+ $hours = round( $diff / HOUR_IN_SECONDS );
+ if ( $hours <= 1 )
$hours = 1;
- }
- $since = sprintf(_n('%s hour', '%s hours', $hours), $hours);
- } elseif ($diff >= 86400) {
- $days = round($diff / 86400);
- if ($days <= 1) {
+ $since = sprintf( _n( '%s hour', '%s hours', $hours ), $hours );
+ } elseif ( $diff < WEEK_IN_SECONDS && $diff >= DAY_IN_SECONDS ) {
+ $days = round( $diff / DAY_IN_SECONDS );
+ if ( $days <= 1 )
$days = 1;
- }
- $since = sprintf(_n('%s day', '%s days', $days), $days);
+ $since = sprintf( _n( '%s day', '%s days', $days ), $days );
+ } elseif ( $diff < 30 * DAY_IN_SECONDS && $diff >= WEEK_IN_SECONDS ) {
+ $weeks = round( $diff / WEEK_IN_SECONDS );
+ if ( $weeks <= 1 )
+ $weeks = 1;
+ $since = sprintf( _n( '%s week', '%s weeks', $weeks ), $weeks );
+ } elseif ( $diff < YEAR_IN_SECONDS && $diff >= 30 * DAY_IN_SECONDS ) {
+ $months = round( $diff / ( 30 * DAY_IN_SECONDS ) );
+ if ( $months <= 1 )
+ $months = 1;
+ $since = sprintf( _n( '%s month', '%s months', $months ), $months );
+ } elseif ( $diff >= YEAR_IN_SECONDS ) {
+ $years = round( $diff / YEAR_IN_SECONDS );
+ if ( $years <= 1 )
+ $years = 1;
+ $since = sprintf( _n( '%s year', '%s years', $years ), $years );
}
+
return $since;
}
* Generates an excerpt from the content, if needed.
*
* The excerpt word amount will be 55 words and if the amount is greater than
- * that, then the string '[...]' will be appended to the excerpt. If the string
+ * that, then the string ' […]' will be appended to the excerpt. If the string
* is less than 55 words, then the content will be returned as is.
*
+ * The 55 word limit can be modified by plugins/themes using the excerpt_length filter
+ * The ' […]' string can be modified by plugins/themes using the excerpt_more filter
+ *
* @since 1.5.0
*
- * @param string $text The exerpt. If set to empty an excerpt is generated.
+ * @param string $text Optional. The excerpt. If set to empty, an excerpt is generated.
* @return string The excerpt.
*/
-function wp_trim_excerpt($text) {
+function wp_trim_excerpt($text = '') {
$raw_excerpt = $text;
if ( '' == $text ) {
$text = get_the_content('');
$text = strip_shortcodes( $text );
- $text = apply_filters('the_content', $text);
+ /** This filter is documented in wp-includes/post-template.php */
+ $text = apply_filters( 'the_content', $text );
$text = str_replace(']]>', ']]>', $text);
- $text = strip_tags($text);
- $excerpt_length = apply_filters('excerpt_length', 55);
- $words = explode(' ', $text, $excerpt_length + 1);
- if (count($words) > $excerpt_length) {
- array_pop($words);
- array_push($words, '[...]');
- $text = implode(' ', $words);
- }
+
+ /**
+ * Filter the number of words in an excerpt.
+ *
+ * @since 2.7.0
+ *
+ * @param int $number The number of words. Default 55.
+ */
+ $excerpt_length = apply_filters( 'excerpt_length', 55 );
+ /**
+ * Filter the string in the "more" link displayed after a trimmed excerpt.
+ *
+ * @since 2.9.0
+ *
+ * @param string $more_string The string shown within the more link.
+ */
+ $excerpt_more = apply_filters( 'excerpt_more', ' ' . '[…]' );
+ $text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
+ }
+ /**
+ * Filter the trimmed excerpt string.
+ *
+ * @since 2.8.0
+ *
+ * @param string $text The trimmed text.
+ * @param string $raw_excerpt The text prior to trimming.
+ */
+ return apply_filters( 'wp_trim_excerpt', $text, $raw_excerpt );
+}
+
+/**
+ * Trims text to a certain number of words.
+ *
+ * This function is localized. For languages that count 'words' by the individual
+ * character (such as East Asian languages), the $num_words argument will apply
+ * to the number of individual characters.
+ *
+ * @since 3.3.0
+ *
+ * @param string $text Text to trim.
+ * @param int $num_words Number of words. Default 55.
+ * @param string $more Optional. What to append if $text needs to be trimmed. Default '…'.
+ * @return string Trimmed text.
+ */
+function wp_trim_words( $text, $num_words = 55, $more = null ) {
+ if ( null === $more )
+ $more = __( '…' );
+ $original_text = $text;
+ $text = wp_strip_all_tags( $text );
+ /* translators: If your word count is based on single characters (East Asian characters),
+ enter 'characters'. Otherwise, enter 'words'. Do not translate into your own language. */
+ if ( 'characters' == _x( 'words', 'word count: words or characters?' ) && preg_match( '/^utf\-?8$/i', get_option( 'blog_charset' ) ) ) {
+ $text = trim( preg_replace( "/[\n\r\t ]+/", ' ', $text ), ' ' );
+ preg_match_all( '/./u', $text, $words_array );
+ $words_array = array_slice( $words_array[0], 0, $num_words + 1 );
+ $sep = '';
+ } else {
+ $words_array = preg_split( "/[\n\r\t ]+/", $text, $num_words + 1, PREG_SPLIT_NO_EMPTY );
+ $sep = ' ';
}
- return apply_filters('wp_trim_excerpt', $text, $raw_excerpt);
+ if ( count( $words_array ) > $num_words ) {
+ array_pop( $words_array );
+ $text = implode( $sep, $words_array );
+ $text = $text . $more;
+ } else {
+ $text = implode( $sep, $words_array );
+ }
+ /**
+ * Filter the text content after words have been trimmed.
+ *
+ * @since 3.3.0
+ *
+ * @param string $text The trimmed text.
+ * @param int $num_words The number of words to trim the text to. Default 5.
+ * @param string $more An optional string to append to the end of the trimmed text, e.g. ….
+ * @param string $original_text The text before it was trimmed.
+ */
+ return apply_filters( 'wp_trim_words', $text, $num_words, $more, $original_text );
}
/**
* @return string Text with converted entities.
*/
function ent2ncr($text) {
+
+ /**
+ * Filter text before named entities are converted into numbered entities.
+ *
+ * A non-null string must be returned for the filter to be evaluated.
+ *
+ * @since 3.3.0
+ *
+ * @param null $converted_text The text to be converted. Default null.
+ * @param string $text The text prior to entity conversion.
+ */
+ $filtered = apply_filters( 'pre_ent2ncr', null, $text );
+ if( null !== $filtered )
+ return $filtered;
+
$to_ncr = array(
'"' => '"',
'&' => '&',
- '⁄' => '/',
'<' => '<',
'>' => '>',
'|' => '|',
* @return string The formatted text after filter is applied.
*/
function wp_richedit_pre($text) {
- // Filtering a blank results in an annoying <br />\n
- if ( empty($text) ) return apply_filters('richedit_pre', '');
+ if ( empty( $text ) ) {
+ /**
+ * Filter text returned for the rich text editor.
+ *
+ * This filter is first evaluated, and the value returned, if an empty string
+ * is passed to wp_richedit_pre(). If an empty string is passed, it results
+ * in a break tag and line feed.
+ *
+ * If a non-empty string is passed, the filter is evaluated on the wp_richedit_pre()
+ * return after being formatted.
+ *
+ * @since 2.0.0
+ *
+ * @param string $output Text for the rich text editor.
+ */
+ return apply_filters( 'richedit_pre', '' );
+ }
$output = convert_chars($text);
$output = wpautop($output);
- $output = htmlspecialchars($output, ENT_NOQUOTES);
+ $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) );
- return apply_filters('richedit_pre', $output);
+ /** This filter is documented in wp-includes/formatting.php */
+ return apply_filters( 'richedit_pre', $output );
}
/**
*/
function wp_htmledit_pre($output) {
if ( !empty($output) )
- $output = htmlspecialchars($output, ENT_NOQUOTES); // convert only < > &
-
- return apply_filters('htmledit_pre', $output);
+ $output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); // convert only < > &
+
+ /**
+ * Filter the text before it is formatted for the HTML editor.
+ *
+ * @since 2.5.0
+ *
+ * @param string $output The HTML-formatted text.
+ */
+ return apply_filters( 'htmledit_pre', $output );
}
/**
- * Checks and cleans a URL.
+ * Perform a deep string replace operation to ensure the values in $search are no longer present
*
- * A number of characters are removed from the URL. If the URL is for displaying
- * (the default behaviour) amperstands are also replaced. The 'esc_url' filter
- * is applied to the returned cleaned URL.
+ * Repeats the replacement operation until it no longer replaces anything so as to remove "nested" values
+ * e.g. $subject = '%0%0%0DDD', $search ='%0D', $result ='' rather than the '%0%0DD' that
+ * str_replace would return
*
- * @since 1.2.0
- * @uses wp_kses_bad_protocol() To only permit protocols in the URL set
- * via $protocols or the common ones set in the function.
+ * @since 2.8.1
+ * @access private
*
- * @param string $url The URL to be cleaned.
- * @param array $protocols Optional. An array of acceptable protocols.
- * Defaults to 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet' if not set.
- * @param string $context Optional. How the URL will be used. Default is 'display'.
- * @return string The cleaned $url after the 'cleaned_url' filter is applied.
+ * @param string|array $search The value being searched for, otherwise known as the needle. An array may be used to designate multiple needles.
+ * @param string $subject The string being searched and replaced on, otherwise known as the haystack.
+ * @return string The string with the replaced svalues.
*/
-function clean_url( $url, $protocols = null, $context = 'display' ) {
- $original_url = $url;
+function _deep_replace( $search, $subject ) {
+ $subject = (string) $subject;
- if ('' == $url) return $url;
- $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\\x80-\\xff]|i', '', $url);
- $strip = array('%0d', '%0a');
- $url = str_replace($strip, '', $url);
- $url = str_replace(';//', '://', $url);
- /* If the URL doesn't appear to contain a scheme, we
- * presume it needs http:// appended (unless a relative
- * link starting with / or a php file).
- */
- if ( strpos($url, ':') === false &&
- substr( $url, 0, 1 ) != '/' && substr( $url, 0, 1 ) != '#' && !preg_match('/^[a-z0-9-]+?\.php/i', $url) )
- $url = 'http://' . $url;
-
- // Replace ampersands and single quotes only when displaying.
- if ( 'display' == $context ) {
- $url = preg_replace('/&([^#])(?![a-z]{2,8};)/', '&$1', $url);
- $url = str_replace( "'", ''', $url );
+ $count = 1;
+ while ( $count ) {
+ $subject = str_replace( $search, '', $subject, $count );
}
- if ( !is_array($protocols) )
- $protocols = array('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet');
- if ( wp_kses_bad_protocol( $url, $protocols ) != $url )
- return '';
-
- return apply_filters('clean_url', $url, $original_url, $context);
+ return $subject;
}
/**
- * Escapes data for use in a MySQL query
+ * Escapes data for use in a MySQL query.
*
- * This is just a handy shortcut for $wpdb->escape(), for completeness' sake
+ * Usually you should prepare queries using wpdb::prepare().
+ * Sometimes, spot-escaping is required or useful. One example
+ * is preparing an array for use in an IN clause.
*
* @since 2.8.0
- * @param string $sql Unescaped SQL data
- * @return string The cleaned $sql
+ * @param string|array $data Unescaped data
+ * @return string|array Escaped data
*/
-function esc_sql( $sql ) {
+function esc_sql( $data ) {
global $wpdb;
- return $wpdb->escape( $sql );
+ return $wpdb->_escape( $data );
}
-
/**
* Checks and cleans a URL.
*
* A number of characters are removed from the URL. If the URL is for displaying
- * (the default behaviour) amperstands are also replaced. The 'esc_url' filter
+ * (the default behaviour) ampersands are also replaced. The 'clean_url' filter
* is applied to the returned cleaned URL.
*
* @since 2.8.0
- * @uses esc_url()
* @uses wp_kses_bad_protocol() To only permit protocols in the URL set
* via $protocols or the common ones set in the function.
*
* @param string $url The URL to be cleaned.
* @param array $protocols Optional. An array of acceptable protocols.
- * Defaults to 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet' if not set.
- * @return string The cleaned $url after the 'cleaned_url' filter is applied.
+ * Defaults to 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn' if not set.
+ * @param string $_context Private. Use esc_url_raw() for database usage.
+ * @return string The cleaned $url after the 'clean_url' filter is applied.
*/
-function esc_url( $url, $protocols = null ) {
- return clean_url( $url, $protocols, 'display' );
+function esc_url( $url, $protocols = null, $_context = 'display' ) {
+ $original_url = $url;
+
+ if ( '' == $url )
+ return $url;
+ $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'()\\x80-\\xff]|i', '', $url);
+ $strip = array('%0d', '%0a', '%0D', '%0A');
+ $url = _deep_replace($strip, $url);
+ $url = str_replace(';//', '://', $url);
+ /* If the URL doesn't appear to contain a scheme, we
+ * presume it needs http:// appended (unless a relative
+ * link starting with /, # or ? or a php file).
+ */
+ if ( strpos($url, ':') === false && ! in_array( $url[0], array( '/', '#', '?' ) ) &&
+ ! preg_match('/^[a-z0-9-]+?\.php/i', $url) )
+ $url = 'http://' . $url;
+
+ // Replace ampersands and single quotes only when displaying.
+ if ( 'display' == $_context ) {
+ $url = wp_kses_normalize_entities( $url );
+ $url = str_replace( '&', '&', $url );
+ $url = str_replace( "'", ''', $url );
+ }
+
+ if ( '/' === $url[0] ) {
+ $good_protocol_url = $url;
+ } else {
+ if ( ! is_array( $protocols ) )
+ $protocols = wp_allowed_protocols();
+ $good_protocol_url = wp_kses_bad_protocol( $url, $protocols );
+ if ( strtolower( $good_protocol_url ) != strtolower( $url ) )
+ return '';
+ }
+
+ /**
+ * Filter a string cleaned and escaped for output as a URL.
+ *
+ * @since 2.3.0
+ *
+ * @param string $good_protocol_url The cleaned URL to be returned.
+ * @param string $original_url The URL prior to cleaning.
+ * @param string $_context If 'display', replace ampersands and single quotes only.
+ */
+ return apply_filters( 'clean_url', $good_protocol_url, $original_url, $_context );
}
/**
* Performs esc_url() for database usage.
*
- * @see esc_url()
- * @see esc_url()
- *
* @since 2.8.0
+ * @uses esc_url()
*
* @param string $url The URL to be cleaned.
* @param array $protocols An array of acceptable protocols.
* @return string The cleaned URL.
*/
function esc_url_raw( $url, $protocols = null ) {
- return clean_url( $url, $protocols, 'db' );
-}
-
-/**
- * Performs esc_url() for database or redirect usage.
- *
- * @see esc_url()
- * @deprecated 2.8.0
- *
- * @since 2.3.1
- *
- * @param string $url The URL to be cleaned.
- * @param array $protocols An array of acceptable protocols.
- * @return string The cleaned URL.
- */
-function sanitize_url( $url, $protocols = null ) {
- return clean_url( $url, $protocols, 'db' );
+ return esc_url( $url, $protocols, 'db' );
}
/**
}
/**
- * Escape single quotes, specialchar double quotes, and fix line endings.
+ * Escape single quotes, htmlspecialchar " < > &, and fix line endings.
*
- * The filter 'js_escape' is also applied here.
+ * Escapes text strings for echoing in JS. It is intended to be used for inline JS
+ * (in a tag attribute, for example onclick="..."). Note that the strings have to
+ * be in single quotes. The filter 'js_escape' is also applied here.
*
* @since 2.8.0
*
$safe_text = wp_check_invalid_utf8( $text );
$safe_text = _wp_specialchars( $safe_text, ENT_COMPAT );
$safe_text = preg_replace( '/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes( $safe_text ) );
- $safe_text = preg_replace( "/\r?\n/", "\\n", addslashes( $safe_text ) );
+ $safe_text = str_replace( "\r", '', $safe_text );
+ $safe_text = str_replace( "\n", '\\n', addslashes( $safe_text ) );
+ /**
+ * Filter a string cleaned and escaped for output in JavaScript.
+ *
+ * Text passed to esc_js() is stripped of invalid or special characters,
+ * and properly slashed for output.
+ *
+ * @since 2.0.6
+ *
+ * @param string $safe_text The text after it has been escaped.
+ * @param string $text The text prior to being escaped.
+ */
return apply_filters( 'js_escape', $safe_text, $text );
}
-/**
- * Escape single quotes, specialchar double quotes, and fix line endings.
- *
- * The filter 'js_escape' is also applied by esc_js()
- *
- * @since 2.0.4
- *
- * @deprecated 2.8.0
- * @see esc_js()
- *
- * @param string $text The text to be escaped.
- * @return string Escaped text.
- */
-function js_escape( $text ) {
- return esc_js( $text );
-}
-
/**
* Escaping for HTML blocks.
*
function esc_html( $text ) {
$safe_text = wp_check_invalid_utf8( $text );
$safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
+ /**
+ * Filter a string cleaned and escaped for output in HTML.
+ *
+ * Text passed to esc_html() is stripped of invalid or special characters
+ * before output.
+ *
+ * @since 2.8.0
+ *
+ * @param string $safe_text The text after it has been escaped.
+ * @param string $text The text prior to being escaped.
+ */
return apply_filters( 'esc_html', $safe_text, $text );
- return $text;
-}
-
-/**
- * Escaping for HTML blocks
- * @deprecated 2.8.0
- * @see esc_html()
- */
-function wp_specialchars( $string, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
- if ( func_num_args() > 1 ) { // Maintain backwards compat for people passing additional args
- $args = func_get_args();
- return call_user_func_array( '_wp_specialchars', $args );
- } else {
- return esc_html( $string );
- }
}
/**
function esc_attr( $text ) {
$safe_text = wp_check_invalid_utf8( $text );
$safe_text = _wp_specialchars( $safe_text, ENT_QUOTES );
+ /**
+ * Filter a string cleaned and escaped for output in an HTML attribute.
+ *
+ * Text passed to esc_attr() is stripped of invalid or special characters
+ * before output.
+ *
+ * @since 2.0.6
+ *
+ * @param string $safe_text The text after it has been escaped.
+ * @param string $text The text prior to being escaped.
+ */
return apply_filters( 'attribute_escape', $safe_text, $text );
}
/**
- * Escaping for HTML attributes.
+ * Escaping for textarea values.
*
- * @since 2.0.6
- *
- * @deprecated 2.8.0
- * @see esc_attr()
+ * @since 3.1.0
*
* @param string $text
* @return string
*/
-function attribute_escape( $text ) {
- return esc_attr( $text );
+function esc_textarea( $text ) {
+ $safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) );
+ /**
+ * Filter a string cleaned and escaped for output in a textarea element.
+ *
+ * @since 3.1.0
+ *
+ * @param string $safe_text The text after it has been escaped.
+ * @param string $text The text prior to being escaped.
+ */
+ return apply_filters( 'esc_textarea', $safe_text, $text );
}
/**
- * Escape a HTML tag name.
+ * Escape an HTML tag name.
*
* @since 2.5.0
*
* @return string
*/
function tag_escape($tag_name) {
- $safe_tag = strtolower( preg_replace('/[^a-zA-Z_:]/', '', $tag_name) );
- return apply_filters('tag_escape', $safe_tag, $tag_name);
+ $safe_tag = strtolower( preg_replace('/[^a-zA-Z0-9_:]/', '', $tag_name) );
+ /**
+ * Filter a string cleaned and escaped for output as an HTML tag.
+ *
+ * @since 2.8.0
+ *
+ * @param string $safe_tag The tag name after it has been escaped.
+ * @param string $tag_name The text before it was escaped.
+ */
+ return apply_filters( 'tag_escape', $safe_tag, $tag_name );
}
/**
*/
function sanitize_option($option, $value) {
- switch ($option) {
- case 'admin_email':
- $value = sanitize_email($value);
+ switch ( $option ) {
+ case 'admin_email' :
+ case 'new_admin_email' :
+ $value = sanitize_email( $value );
+ if ( ! is_email( $value ) ) {
+ $value = get_option( $option ); // Resets option to stored value in the case of failed sanitization
+ if ( function_exists( 'add_settings_error' ) )
+ add_settings_error( $option, 'invalid_admin_email', __( 'The email address entered did not appear to be a valid email address. Please enter a valid email address.' ) );
+ }
break;
case 'thumbnail_size_w':
case 'medium_size_h':
case 'large_size_w':
case 'large_size_h':
- case 'default_post_edit_rows':
case 'mailserver_port':
case 'comment_max_links':
case 'page_on_front':
+ case 'page_for_posts':
case 'rss_excerpt_length':
case 'default_category':
case 'default_email_category':
case 'close_comments_days_old':
case 'comments_per_page':
case 'thread_comments_depth':
- $value = abs((int) $value);
+ case 'users_can_register':
+ case 'start_of_week':
+ $value = absint( $value );
break;
case 'posts_per_page':
case 'posts_per_rss':
$value = (int) $value;
- if ( empty($value) ) $value = 1;
- if ( $value < -1 ) $value = abs($value);
+ if ( empty($value) )
+ $value = 1;
+ if ( $value < -1 )
+ $value = abs($value);
break;
case 'default_ping_status':
case 'blogdescription':
case 'blogname':
- $value = addslashes($value);
- $value = wp_filter_post_kses( $value ); // calls stripslashes then addslashes
- $value = stripslashes($value);
+ $value = wp_kses_post( $value );
$value = esc_html( $value );
break;
$value = preg_replace('/[^a-zA-Z0-9_-]/', '', $value); // strips slashes
break;
+ case 'blog_public':
+ // This is the value if the settings checkbox is not checked on POST. Don't rely on this.
+ if ( null === $value )
+ $value = 1;
+ else
+ $value = intval( $value );
+ break;
+
case 'date_format':
case 'time_format':
case 'mailserver_url':
case 'mailserver_login':
case 'mailserver_pass':
- case 'ping_sites':
case 'upload_path':
- $value = strip_tags($value);
- $value = addslashes($value);
- $value = wp_filter_kses($value); // calls stripslashes then addslashes
- $value = stripslashes($value);
+ $value = strip_tags( $value );
+ $value = wp_kses_data( $value );
+ break;
+
+ case 'ping_sites':
+ $value = explode( "\n", $value );
+ $value = array_filter( array_map( 'trim', $value ) );
+ $value = array_filter( array_map( 'esc_url_raw', $value ) );
+ $value = implode( "\n", $value );
break;
case 'gmt_offset':
break;
case 'siteurl':
+ if ( (bool)preg_match( '#http(s?)://(.+)#i', $value) ) {
+ $value = esc_url_raw($value);
+ } else {
+ $value = get_option( $option ); // Resets option to stored value in the case of failed sanitization
+ if ( function_exists('add_settings_error') )
+ add_settings_error('siteurl', 'invalid_siteurl', __('The WordPress address you entered did not appear to be a valid URL. Please enter a valid URL.'));
+ }
+ break;
+
case 'home':
- $value = stripslashes($value);
- $value = esc_url($value);
+ if ( (bool)preg_match( '#http(s?)://(.+)#i', $value) ) {
+ $value = esc_url_raw($value);
+ } else {
+ $value = get_option( $option ); // Resets option to stored value in the case of failed sanitization
+ if ( function_exists('add_settings_error') )
+ add_settings_error('home', 'invalid_home', __('The Site address you entered did not appear to be a valid URL. Please enter a valid URL.'));
+ }
+ break;
+
+ case 'WPLANG':
+ $allowed = get_available_languages();
+ if ( ! in_array( $value, $allowed ) && ! empty( $value ) )
+ $value = get_option( $option );
+ break;
+
+ case 'illegal_names':
+ if ( ! is_array( $value ) )
+ $value = explode( ' ', $value );
+
+ $value = array_values( array_filter( array_map( 'trim', $value ) ) );
+
+ if ( ! $value )
+ $value = '';
+ break;
+
+ case 'limited_email_domains':
+ case 'banned_email_domains':
+ if ( ! is_array( $value ) )
+ $value = explode( "\n", $value );
+
+ $domains = array_values( array_filter( array_map( 'trim', $value ) ) );
+ $value = array();
+
+ foreach ( $domains as $domain ) {
+ if ( ! preg_match( '/(--|\.\.)/', $domain ) && preg_match( '|^([a-zA-Z0-9-\.])+$|', $domain ) )
+ $value[] = $domain;
+ }
+ if ( ! $value )
+ $value = '';
+ break;
+
+ case 'timezone_string':
+ $allowed_zones = timezone_identifiers_list();
+ if ( ! in_array( $value, $allowed_zones ) && ! empty( $value ) ) {
+ $value = get_option( $option ); // Resets option to stored value in the case of failed sanitization
+ if ( function_exists('add_settings_error') )
+ add_settings_error('timezone_string', 'invalid_timezone_string', __('The timezone you have entered is not valid. Please select a valid timezone.') );
+ }
break;
- default :
- $value = apply_filters("sanitize_option_{$option}", $value, $option);
+
+ case 'permalink_structure':
+ case 'category_base':
+ case 'tag_base':
+ $value = esc_url_raw( $value );
+ $value = str_replace( 'http://', '', $value );
+ break;
+
+ case 'default_role' :
+ if ( ! get_role( $value ) && get_role( 'subscriber' ) )
+ $value = 'subscriber';
break;
}
+ /**
+ * Filter an option value following sanitization.
+ *
+ * @since 2.3.0
+ *
+ * @param string $value The sanitized option value.
+ * @param string $option The option name.
+ */
+ $value = apply_filters( "sanitize_option_{$option}", $value, $option );
+
return $value;
}
* {@link http://www.php.net/magic_quotes magic_quotes_gpc} is on.
*
* @since 2.2.1
- * @uses apply_filters() for the 'wp_parse_str' filter.
*
* @param string $string The string to be parsed.
* @param array $array Variables will be stored in this array.
parse_str( $string, $array );
if ( get_magic_quotes_gpc() )
$array = stripslashes_deep( $array );
+ /**
+ * Filter the array of variables derived from a parsed string.
+ *
+ * @since 2.3.0
+ *
+ * @param array $array The array populated with variables.
+ */
$array = apply_filters( 'wp_parse_str', $array );
}
* @return string The formatted string.
*/
function wp_sprintf( $pattern ) {
- $args = func_get_args( );
+ $args = func_get_args();
$len = strlen($pattern);
$start = 0;
$result = '';
$fragment = substr($pattern, $start, $end - $start);
// Fragment has a specifier
- if ( $pattern{$start} == '%' ) {
+ if ( $pattern[$start] == '%' ) {
// Find numbered arguments or take the next one in order
if ( preg_match('/^%(\d+)\$/', $fragment, $matches) ) {
$arg = isset($args[$matches[1]]) ? $args[$matches[1]] : '';
$arg = isset($args[$arg_index]) ? $args[$arg_index] : '';
}
- // Apply filters OR sprintf
+ /**
+ * Filter a fragment from the pattern passed to wp_sprintf().
+ *
+ * If the fragment is unchanged, then sprintf() will be run on the fragment.
+ *
+ * @since 2.5.0
+ *
+ * @param string $fragment A fragment from the pattern.
+ * @param string $arg The argument.
+ */
$_fragment = apply_filters( 'wp_sprintf', $fragment, $arg );
if ( $_fragment != $fragment )
$fragment = $_fragment;
if ( empty($args) )
return '';
- // Translate and filter the delimiter set (avoid ampersands and entities here)
- $l = apply_filters('wp_sprintf_l', array(
- /* translators: used between list items, there is a space after the coma */
+ /**
+ * Filter the translated delimiters used by wp_sprintf_l().
+ *
+ * Please note: Ampersands and entities should be avoided here.
+ *
+ * @since 2.5.0
+ *
+ * @param array $delimiters An array of translated delimiters.
+ */
+ $l = apply_filters( 'wp_sprintf_l', array(
+ /* translators: used between list items, there is a space after the comma */
'between' => __(', '),
/* translators: used between list items, there is a space after the and */
'between_last_two' => __(', and '),
/* translators: used between only two list items, there is a space after the and */
'between_only_two' => __(' and '),
- ));
+ ) );
$args = (array) $args;
$result = array_shift($args);
*
* @since 2.5.0
*
- * @param integer $str String to get the excerpt from.
+ * @param string $str String to get the excerpt from.
* @param integer $count Maximum number of characters to take.
+ * @param string $more Optional. What to append if $str needs to be trimmed. Defaults to empty string.
* @return string The excerpt.
*/
-function wp_html_excerpt( $str, $count ) {
- $str = strip_tags( $str );
- $str = mb_substr( $str, 0, $count );
+function wp_html_excerpt( $str, $count, $more = null ) {
+ if ( null === $more )
+ $more = '';
+ $str = wp_strip_all_tags( $str, true );
+ $excerpt = mb_substr( $str, 0, $count );
// remove part of an entity at the end
- $str = preg_replace( '/&[^;\s]{0,6}$/', '', $str );
- return $str;
+ $excerpt = preg_replace( '/&[^;\s]{0,6}$/', '', $excerpt );
+ if ( $str != $excerpt )
+ $excerpt = trim( $excerpt ) . $more;
+ return $excerpt;
}
/**
* @return string The processed content.
*/
function links_add_base_url( $content, $base, $attrs = array('src', 'href') ) {
+ global $_links_add_base;
+ $_links_add_base = $base;
$attrs = implode('|', (array)$attrs);
- return preg_replace_callback("!($attrs)=(['\"])(.+?)\\2!i",
- create_function('$m', 'return _links_add_base($m, "' . $base . '");'),
- $content);
+ return preg_replace_callback( "!($attrs)=(['\"])(.+?)\\2!i", '_links_add_base', $content );
}
/**
* @access private
*
* @param string $m The matched link.
- * @param string $base The base URL to prefix to links.
* @return string The processed link.
*/
-function _links_add_base($m, $base) {
+function _links_add_base($m) {
+ global $_links_add_base;
//1 = attribute name 2 = quotation mark 3 = URL
return $m[1] . '=' . $m[2] .
- (strpos($m[3], 'http://') === false ?
- path_join($base, $m[3]) :
- $m[3])
+ ( preg_match( '#^(\w{1,20}):#', $m[3], $protocol ) && in_array( $protocol[1], wp_allowed_protocols() ) ?
+ $m[3] :
+ path_join( $_links_add_base, $m[3] ) )
. $m[2];
}
* This function by default only applies to <a> tags, however this can be
* modified by the 3rd param.
*
- * <b>NOTE:</b> Any current target attributed will be striped and replaced.
+ * <b>NOTE:</b> Any current target attributed will be stripped and replaced.
*
* @since 2.7.0
*
* @return string The processed content.
*/
function links_add_target( $content, $target = '_blank', $tags = array('a') ) {
+ global $_links_add_target;
+ $_links_add_target = $target;
$tags = implode('|', (array)$tags);
- return preg_replace_callback("!<($tags)(.+?)>!i",
- create_function('$m', 'return _links_add_target($m, "' . $target . '");'),
- $content);
+ return preg_replace_callback( "!<($tags)([^>]*)>!i", '_links_add_target', $content );
}
+
/**
* Callback to add a target attribute to all links in passed content.
*
* @access private
*
* @param string $m The matched link.
- * @param string $target The Target to add to the links.
* @return string The processed link.
*/
-function _links_add_target( $m, $target ) {
+function _links_add_target( $m ) {
+ global $_links_add_target;
$tag = $m[1];
- $link = preg_replace('|(target=[\'"](.*?)[\'"])|i', '', $m[2]);
- return '<' . $tag . $link . ' target="' . $target . '">';
+ $link = preg_replace('|( target=([\'"])(.*?)\2)|i', '', $m[2]);
+ return '<' . $tag . $link . ' target="' . esc_attr( $_links_add_target ) . '">';
}
-// normalize EOL characters and strip duplicate whitespace
+/**
+ * Normalize EOL characters and strip duplicate whitespace.
+ *
+ * @since 2.7.0
+ *
+ * @param string $str The string to normalize.
+ * @return string The normalized string.
+ */
function normalize_whitespace( $str ) {
- $str = trim($str);
- $str = str_replace("\r", "\n", $str);
+ $str = trim( $str );
+ $str = str_replace( "\r", "\n", $str );
$str = preg_replace( array( '/\n+/', '/[ \t]+/' ), array( "\n", ' ' ), $str );
return $str;
}
-?>
+/**
+ * Properly strip all HTML tags including script and style
+ *
+ * @since 2.9.0
+ *
+ * @param string $string String containing HTML tags
+ * @param bool $remove_breaks optional Whether to remove left over line breaks and white space chars
+ * @return string The processed string.
+ */
+function wp_strip_all_tags($string, $remove_breaks = false) {
+ $string = preg_replace( '@<(script|style)[^>]*?>.*?</\\1>@si', '', $string );
+ $string = strip_tags($string);
+
+ if ( $remove_breaks )
+ $string = preg_replace('/[\r\n\t ]+/', ' ', $string);
+
+ return trim( $string );
+}
+
+/**
+ * Sanitize a string from user input or from the db
+ *
+ * check for invalid UTF-8,
+ * Convert single < characters to entity,
+ * strip all tags,
+ * remove line breaks, tabs and extra white space,
+ * strip octets.
+ *
+ * @since 2.9.0
+ *
+ * @param string $str
+ * @return string
+ */
+function sanitize_text_field($str) {
+ $filtered = wp_check_invalid_utf8( $str );
+
+ if ( strpos($filtered, '<') !== false ) {
+ $filtered = wp_pre_kses_less_than( $filtered );
+ // This will strip extra whitespace for us.
+ $filtered = wp_strip_all_tags( $filtered, true );
+ } else {
+ $filtered = trim( preg_replace('/[\r\n\t ]+/', ' ', $filtered) );
+ }
+
+ $found = false;
+ while ( preg_match('/%[a-f0-9]{2}/i', $filtered, $match) ) {
+ $filtered = str_replace($match[0], '', $filtered);
+ $found = true;
+ }
+
+ if ( $found ) {
+ // Strip out the whitespace that may now exist after removing the octets.
+ $filtered = trim( preg_replace('/ +/', ' ', $filtered) );
+ }
+
+ /**
+ * Filter a sanitized text field string.
+ *
+ * @since 2.9.0
+ *
+ * @param string $filtered The sanitized string.
+ * @param string $str The string prior to being sanitized.
+ */
+ return apply_filters( 'sanitize_text_field', $filtered, $str );
+}
+
+/**
+ * i18n friendly version of basename()
+ *
+ * @since 3.1.0
+ *
+ * @param string $path A path.
+ * @param string $suffix If the filename ends in suffix this will also be cut off.
+ * @return string
+ */
+function wp_basename( $path, $suffix = '' ) {
+ return urldecode( basename( str_replace( array( '%2F', '%5C' ), '/', urlencode( $path ) ), $suffix ) );
+}
+
+/**
+ * Forever eliminate "Wordpress" from the planet (or at least the little bit we can influence).
+ *
+ * Violating our coding standards for a good function name.
+ *
+ * @since 3.0.0
+ */
+function capital_P_dangit( $text ) {
+ // Simple replacement for titles
+ $current_filter = current_filter();
+ if ( 'the_title' === $current_filter || 'wp_title' === $current_filter )
+ return str_replace( 'Wordpress', 'WordPress', $text );
+ // Still here? Use the more judicious replacement
+ static $dblq = false;
+ if ( false === $dblq )
+ $dblq = _x( '“', 'opening curly double quote' );
+ return str_replace(
+ array( ' Wordpress', '‘Wordpress', $dblq . 'Wordpress', '>Wordpress', '(Wordpress' ),
+ array( ' WordPress', '‘WordPress', $dblq . 'WordPress', '>WordPress', '(WordPress' ),
+ $text );
+
+}
+
+/**
+ * Sanitize a mime type
+ *
+ * @since 3.1.3
+ *
+ * @param string $mime_type Mime type
+ * @return string Sanitized mime type
+ */
+function sanitize_mime_type( $mime_type ) {
+ $sani_mime_type = preg_replace( '/[^-+*.a-zA-Z0-9\/]/', '', $mime_type );
+ /**
+ * Filter a mime type following sanitization.
+ *
+ * @since 3.1.3
+ *
+ * @param string $sani_mime_type The sanitized mime type.
+ * @param string $mime_type The mime type prior to sanitization.
+ */
+ return apply_filters( 'sanitize_mime_type', $sani_mime_type, $mime_type );
+}
+
+/**
+ * Sanitize space or carriage return separated URLs that are used to send trackbacks.
+ *
+ * @since 3.4.0
+ *
+ * @param string $to_ping Space or carriage return separated URLs
+ * @return string URLs starting with the http or https protocol, separated by a carriage return.
+ */
+function sanitize_trackback_urls( $to_ping ) {
+ $urls_to_ping = preg_split( '/[\r\n\t ]/', trim( $to_ping ), -1, PREG_SPLIT_NO_EMPTY );
+ foreach ( $urls_to_ping as $k => $url ) {
+ if ( !preg_match( '#^https?://.#i', $url ) )
+ unset( $urls_to_ping[$k] );
+ }
+ $urls_to_ping = array_map( 'esc_url_raw', $urls_to_ping );
+ $urls_to_ping = implode( "\n", $urls_to_ping );
+ /**
+ * Filter a list of trackback URLs following sanitization.
+ *
+ * The string returned here consists of a space or carriage return-delimited list
+ * of trackback URLs.
+ *
+ * @since 3.4.0
+ *
+ * @param string $urls_to_ping Sanitized space or carriage return separated URLs.
+ * @param string $to_ping Space or carriage return separated URLs before sanitization.
+ */
+ return apply_filters( 'sanitize_trackback_urls', $urls_to_ping, $to_ping );
+}
+
+/**
+ * Add slashes to a string or array of strings.
+ *
+ * This should be used when preparing data for core API that expects slashed data.
+ * This should not be used to escape data going directly into an SQL query.
+ *
+ * @since 3.6.0
+ *
+ * @param string|array $value String or array of strings to slash.
+ * @return string|array Slashed $value
+ */
+function wp_slash( $value ) {
+ if ( is_array( $value ) ) {
+ foreach ( $value as $k => $v ) {
+ if ( is_array( $v ) ) {
+ $value[$k] = wp_slash( $v );
+ } else {
+ $value[$k] = addslashes( $v );
+ }
+ }
+ } else {
+ $value = addslashes( $value );
+ }
+
+ return $value;
+}
+
+/**
+ * Remove slashes from a string or array of strings.
+ *
+ * This should be used to remove slashes from data passed to core API that
+ * expects data to be unslashed.
+ *
+ * @since 3.6.0
+ *
+ * @param string|array $value String or array of strings to unslash.
+ * @return string|array Unslashed $value
+ */
+function wp_unslash( $value ) {
+ return stripslashes_deep( $value );
+}
+
+/**
+ * Extract and return the first URL from passed content.
+ *
+ * @since 3.6.0
+ *
+ * @param string $content A string which might contain a URL.
+ * @return string The found URL.
+ */
+function get_url_in_content( $content ) {
+ if ( empty( $content ) )
+ return '';
+
+ if ( preg_match( '/<a\s[^>]*?href=([\'"])(.+?)\1/is', $content, $matches ) )
+ return esc_url_raw( $matches[2] );
+
+ return false;
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff