*
* @since 0.71
*
+ * @global WP_Locale $wp_locale
+ *
* @param string $dateformatstring Format to display the date.
* @param bool|int $unixtimestamp Optional. Unix timestamp. Default false.
* @param bool $gmt Optional. Whether to use GMT timezone. Default false.
*
* @since 2.3.0
*
+ * @global WP_Locale $wp_locale
+ *
* @param int $number The number to convert based on locale.
* @param int $decimals Optional. Precision of the number of decimal places. Default 0.
* @return string Converted number in string format.
// Double serialization is required for backward compatibility.
// See https://core.trac.wordpress.org/ticket/12930
+ // Also the world will end. See WP 3.6.1.
if ( is_serialized( $data, false ) )
return serialize( $data );
*
* @since 1.5.0
*
- * @see $wpdb
+ * @global wpdb $wpdb
*
* @param string $content Post Content.
- * @param int $post_ID Post ID.
+ * @param int $post_ID Post ID.
*/
function do_enclose( $content, $post_ID ) {
global $wpdb;
*
* @since 2.0.0
*
+ * @global WP $wp_locale
+ * @global WP_Query $wp_query
+ * @global WP_Query $wp_the_query
+ *
* @param string|array $query_vars Default WP_Query arguments.
*/
function wp( $query_vars = '' ) {
*
* @since 2.3.0
*
+ * @global array $wp_header_to_desc
+ *
* @param int $code HTTP status code.
* @return string Empty string if not found, or description if found.
*/
*
* @since 2.1.0
*
- * @uses $wp_query Used to tell if the use a comment feed.
+ * @global WP_Query $wp_query Used to tell if the use a comment feed.
*/
function do_feed() {
global $wp_query;
$wrapper = null;
// Strip the protocol.
- if( wp_is_stream( $target ) ) {
+ if ( wp_is_stream( $target ) ) {
list( $wrapper, $target ) = explode( '://', $target, 2 );
}
$target = str_replace( '//', '/', $target );
// Put the wrapper back on the target.
- if( $wrapper !== null ) {
+ if ( $wrapper !== null ) {
$target = $wrapper . '://' . $target;
}
*
* @since 2.5.0
*
+ * @staticvar string $temp
+ *
* @return string Writable temporary directory.
*/
function get_temp_dir() {
- static $temp;
+ static $temp = '';
if ( defined('WP_TEMP_DIR') )
return trailingslashit(WP_TEMP_DIR);
if ( is_dir( $temp ) && wp_is_writable( $temp ) )
return $temp;
- $temp = '/tmp/';
- return $temp;
+ return '/tmp/';
}
/**
* @since 2.5.0
*
* @param string $ext The extension to search.
- * @return string|null The file type, example: audio, video, document, spreadsheet, etc.
- * Null if not found.
+ * @return string|void The file type, example: audio, video, document, spreadsheet, etc.
*/
function wp_ext2type( $ext ) {
$ext = strtolower( $ext );
foreach ( $ext2type as $type => $exts )
if ( in_array( $ext, $exts ) )
return $type;
-
- return null;
}
/**
* if original $filename is valid.
*/
function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
-
$proper_filename = false;
// Do basic extension validation and MIME mapping
<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) && function_exists( 'is_rtl' ) ) language_attributes(); else echo "dir='$text_direction'"; ?>>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <meta name="viewport" content="width=device-width">
<title><?php echo $title ?></title>
<style type="text/css">
html {
* @since 3.2.0
* @access private
*
+ * @global wp_xmlrpc_server $wp_xmlrpc_server
+ *
* @param string $message Error message.
* @param string $title Optional. Error title. Default empty.
* @param string|array $args Optional. Arguments to control behavior. Default empty array.
* @param int $options Optional. Options to be passed to json_encode(). Default 0.
* @param int $depth Optional. Maximum depth to walk through $data. Must be
* greater than 0. Default 512.
- * @return bool|string The JSON encoded string, or false if it cannot be encoded.
+ * @return string|false The JSON encoded string, or false if it cannot be encoded.
*/
function wp_json_encode( $data, $options = 0, $depth = 512 ) {
/*
*
* @see _wp_json_sanity_check()
*
+ * @staticvar bool $use_mb
+ *
* @param string $string The string which is to be converted.
* @return string The checked string.
*/
* Append the Widgets menu to the themes main menu.
*
* @since 2.2.0
+ *
+ * @global array $submenu
*/
function wp_widgets_add_menu() {
global $submenu;
}
}
+/**
+ * Marks a constructor as deprecated and informs when it has been used.
+ *
+ * Similar to _deprecated_function(), but with different strings. Used to
+ * remove PHP4 style constructors.
+ *
+ * The current behavior is to trigger a user error if `WP_DEBUG` is true.
+ *
+ * This function is to be used in every PHP4 style constructor method that is deprecated.
+ *
+ * @since 4.3.0
+ * @access private
+ *
+ * @param string $class The class containing the deprecated constructor.
+ * @param string $version The version of WordPress that deprecated the function.
+ */
+function _deprecated_constructor( $class, $version ) {
+
+ /**
+ * Fires when a deprecated constructor is called.
+ *
+ * @since 4.3.0
+ *
+ * @param string $class The class containing the deprecated constructor.
+ * @param string $version The version of WordPress that deprecated the function.
+ */
+ do_action( 'deprecated_constructor_run', $class, $version );
+
+ /**
+ * Filter whether to trigger an error for deprecated functions.
+ *
+ * `WP_DEBUG` must be true in addition to the filter evaluating to true.
+ *
+ * @since 4.3.0
+ *
+ * @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
+ */
+ if ( WP_DEBUG && apply_filters( 'deprecated_constructor_trigger_error', true ) ) {
+ if ( function_exists( '__' ) ) {
+ trigger_error( sprintf( __( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.' ), $class, $version, '<pre>__construct()</pre>' ) );
+ } else {
+ trigger_error( sprintf( 'The called constructor method for %1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $class, $version, '<pre>__construct()</pre>' ) );
+ }
+ }
+
+}
+
/**
* Mark a file as deprecated and inform when it has been used.
*
*
* @since 2.5.0
*
+ * @global bool $is_apache
+ *
* @param string $mod The module, e.g. mod_rewrite.
* @param bool $default Optional. The default return value if the module is not found. Default false.
* @return bool Whether the specified module is loaded.
*
* @since 2.8.0
*
+ * @global bool $is_iis7
+ *
* @return bool Whether IIS7 supports permalinks.
*/
function iis7_supports_permalinks() {
* @since 1.2.0
*
* @param string $file File path.
- * @param array $allowed_files List of allowed files.
+ * @param array $allowed_files List of allowed files.
* @return int 0 means nothing is wrong, greater than 0 means something was wrong.
*/
function validate_file( $file, $allowed_files = '' ) {
*
* @since 2.6.0
*
+ * @staticvar bool $forced
+ *
* @param string|bool $force Optional. Whether to force SSL in admin screens. Default null.
* @return bool True if forced, false if not forced.
*/
if ( false !== strpos( $_SERVER['SCRIPT_FILENAME'], $abspath_fix ) ) {
// Request is hitting a file inside ABSPATH
$directory = str_replace( ABSPATH, '', $script_filename_dir );
- // Strip off the sub directory, and any file/query paramss
+ // Strip off the sub directory, and any file/query params
$path = preg_replace( '#/' . preg_quote( $directory, '#' ) . '/[^/]*$#i', '' , $_SERVER['REQUEST_URI'] );
} elseif ( false !== strpos( $abspath_fix, $script_filename_dir ) ) {
// Request is hitting a file above ABSPATH
*
* @since 3.3.0
*
+ * @staticvar bool $_suspend
+ *
* @param bool $suspend Optional. Suspends additions if true, re-enables them if false.
* @return bool The current suspend setting
*/
*
* @since 2.7.0
*
+ * @global bool $_wp_suspend_cache_invalidation
+ *
* @param bool $suspend Optional. Whether to suspend or enable cache invalidation. Default true.
* @return bool The current suspend setting.
*/
*
* @since 3.0.0
*
+ * @global object $current_site
+ *
* @param int $site_id Optional. Site ID to test. Defaults to current site.
* Defaults to current site.
* @return bool True if $site_id is the main site of the network, or if not
* @return bool True if $network_id is the main network, or if not running Multisite.
*/
function is_main_network( $network_id = null ) {
- global $wpdb;
-
- if ( ! is_multisite() )
+ if ( ! is_multisite() ) {
return true;
+ }
$current_network_id = (int) get_current_site()->id;
- if ( ! $network_id )
+ if ( null === $network_id ) {
$network_id = $current_network_id;
+ }
+
$network_id = (int) $network_id;
- if ( defined( 'PRIMARY_NETWORK_ID' ) )
- return $network_id === (int) PRIMARY_NETWORK_ID;
+ return ( $network_id === get_main_network_id() );
+}
- if ( 1 === $current_network_id )
- return $network_id === $current_network_id;
+/**
+ * Get the main network ID.
+ *
+ * @since 4.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return int The ID of the main network.
+ */
+function get_main_network_id() {
+ global $wpdb;
- $primary_network_id = (int) wp_cache_get( 'primary_network_id', 'site-options' );
+ if ( ! is_multisite() ) {
+ return 1;
+ }
- if ( $primary_network_id )
- return $network_id === $primary_network_id;
+ if ( defined( 'PRIMARY_NETWORK_ID' ) ) {
+ $main_network_id = PRIMARY_NETWORK_ID;
+ } elseif ( 1 === (int) get_current_site()->id ) {
+ // If the current network has an ID of 1, assume it is the main network.
+ $main_network_id = 1;
+ } else {
+ $main_network_id = wp_cache_get( 'primary_network_id', 'site-options' );
- $primary_network_id = (int) $wpdb->get_var( "SELECT id FROM $wpdb->site ORDER BY id LIMIT 1" );
- wp_cache_add( 'primary_network_id', $primary_network_id, 'site-options' );
+ if ( false === $main_network_id ) {
+ $main_network_id = (int) $wpdb->get_var( "SELECT id FROM {$wpdb->site} ORDER BY id LIMIT 1" );
+ wp_cache_add( 'primary_network_id', $main_network_id, 'site-options' );
+ }
+ }
- return $network_id === $primary_network_id;
+ /**
+ * Filter the main network ID.
+ *
+ * @since 4.3.0
+ *
+ * @param int $main_network_id The ID of the main network.
+ */
+ return (int) apply_filters( 'get_main_network_id', $main_network_id );
}
/**
*
* @since 3.0.0
*
+ * @staticvar bool $global_terms
+ *
* @return bool True if multisite and global terms enabled.
*/
function global_terms_enabled() {
*
* @since 3.0.0
*
- * @param null $anbled Whether global terms are enabled.
+ * @param null $enabled Whether global terms are enabled.
*/
$filter = apply_filters( 'global_terms_enabled', null );
if ( ! is_null( $filter ) )
*
* @since 2.8.0
*
- * @return float|bool Timezone GMT offset, false otherwise.
+ * @return float|false Timezone GMT offset, false otherwise.
*/
function wp_timezone_override_offset() {
if ( !$timezone_string = get_option( 'timezone_string' ) ) {
*
* @since 2.9.0
*
+ * @staticvar bool $mo_loaded
+ *
* @param string $selected_zone Selected timezone.
* @return string
*/
* The default value of `EMPTY_TRASH_DAYS` is 30 (days).
*
* @since 2.9.0
+ *
+ * @global wpdb $wpdb
*/
function wp_scheduled_delete() {
global $wpdb;
*
* @see __return_false()
*
- * @return bool True.
+ * @return true True.
*/
function __return_true() {
return true;
*
* @see __return_true()
*
- * @return bool False.
+ * @return false False.
*/
function __return_false() {
return false;
* Retrieve a list of protocols to allow in HTML attributes.
*
* @since 3.3.0
+ * @since 4.3.0 Added 'webcal' to the protocols array.
*
* @see wp_kses()
* @see esc_url()
*
- * @return array Array of allowed protocols.
+ * @staticvar array $protocols
+ *
+ * @return array Array of allowed protocols. Defaults to an array containing 'http', 'https',
+ * 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet',
+ * 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp', and 'webcal'.
*/
function wp_allowed_protocols() {
- static $protocols;
+ static $protocols = array();
if ( empty( $protocols ) ) {
- $protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp' );
+ $protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp', 'webcal' );
/**
* Filter the list of protocols allowed in HTML attributes.
* @since 3.4.0
* @access private
*
- * @return bool true|false Whether the device is able to upload files.
+ * @return bool Whether the device is able to upload files.
*/
function _device_can_upload() {
if ( ! wp_is_mobile() )
*
* @since 3.6.0
*
- * @param array|object $response The Heartbeat response object or array.
- * @return array|object $response The Heartbeat response object or array with 'wp-auth-check'
- * value set.
+ * @global int $login_grace_period
+ *
+ * @param array $response The Heartbeat response.
+ * @return array $response The Heartbeat response with 'wp-auth-check' value set.
*/
function wp_auth_check( $response ) {
$response['wp-auth-check'] = is_user_logged_in() && empty( $GLOBALS['login_grace_period'] );
*
* @see reset_mbstring_encoding()
*
+ * @staticvar array $encodings
+ * @staticvar bool $overloaded
+ *
* @param bool $reset Optional. Whether to reset the encoding back to a previously-set encoding.
* Default false.
*/
@unlink( $delete );
}
}
+
+/**
+ * Outputs a small JS snippet on preview tabs/windows to remove `window.name` on unload.
+ *
+ * This prevents reusing the same tab for a preview when the user has navigated away.
+ *
+ * @since 4.3.0
+ */
+function wp_post_preview_js() {
+ global $post;
+
+ if ( ! is_preview() || empty( $post ) ) {
+ return;
+ }
+
+ // Has to match the window name used in post_submit_meta_box()
+ $name = 'wp-preview-' . (int) $post->ID;
+
+ ?>
+ <script>
+ ( function() {
+ var query = document.location.search;
+
+ if ( query && query.indexOf( 'preview=true' ) !== -1 ) {
+ window.name = '<?php echo $name; ?>';
+ }
+
+ if ( window.addEventListener ) {
+ window.addEventListener( 'unload', function() { window.name = ''; }, false );
+ }
+ }());
+ </script>
+ <?php
+}