X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/959f97d8ecd5c1668103a3e41c795486b944bc68..4f4e083f6f77639c41e2b1ddb200de8e34301cee:/wp-includes/functions.php
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index e011d340..3984a316 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1,5 +1,27 @@
month ) && !empty( $wp_locale->weekday ) && $translate ) {
- $datemonth = $wp_locale->get_month( date( 'm', $i ) );
- $datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth );
- $dateweekday = $wp_locale->get_weekday( date( 'w', $i ) );
- $dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday );
- $datemeridiem = $wp_locale->get_meridiem( date( 'a', $i ) );
- $datemeridiem_capital = $wp_locale->get_meridiem( date( 'A', $i ) );
- $dateformatstring = ' ' . $dateformatstring;
- $dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . backslashit( $dateweekday_abbrev ), $dateformatstring );
- $dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . backslashit( $datemonth ), $dateformatstring );
- $dateformatstring = preg_replace( "/([^\\\])l/", "\\1" . backslashit( $dateweekday ), $dateformatstring );
- $dateformatstring = preg_replace( "/([^\\\])M/", "\\1" . backslashit( $datemonth_abbrev ), $dateformatstring );
- $dateformatstring = preg_replace( "/([^\\\])a/", "\\1" . backslashit( $datemeridiem ), $dateformatstring );
- $dateformatstring = preg_replace( "/([^\\\])A/", "\\1" . backslashit( $datemeridiem_capital ), $dateformatstring );
-
- $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
- }
- $j = @date( $dateformatstring, $i );
-
- /*
- if ( !$j ) // for debug purposes
- echo $i." ".$mysqlstring;
- */
-
- return $j;
+ if ( $translate)
+ return date_i18n( $dateformatstring, $i );
+ else
+ return date( $dateformatstring, $i );
}
-
+/**
+ * Retrieve the current time based on specified type.
+ *
+ * The 'mysql' type will return the time in the format for MySQL DATETIME field.
+ * The 'timestamp' type will return the current timestamp.
+ *
+ * If $gmt is set to either '1' or 'true', then both types will use GMT time.
+ * if $gmt is false, the output is adjusted with the GMT offset in the WordPress option.
+ *
+ * @since 1.0.0
+ *
+ * @param string $type Either 'mysql' or 'timestamp'.
+ * @param int|bool $gmt Optional. Whether to use GMT timezone. Default is false.
+ * @return int|string String if $type is 'gmt', int if $type is 'timestamp'.
+ */
function current_time( $type, $gmt = 0 ) {
switch ( $type ) {
case 'mysql':
@@ -63,17 +69,47 @@ function current_time( $type, $gmt = 0 ) {
}
}
-
-function date_i18n( $dateformatstring, $unixtimestamp ) {
+/**
+ * Retrieve the date in localized format, based on timestamp.
+ *
+ * If the locale specifies the locale month and weekday, then the locale will
+ * take over the format for the date. If it isn't, then the date format string
+ * will be used instead.
+ *
+ * @since 0.71
+ *
+ * @param string $dateformatstring Format to display the date.
+ * @param int $unixtimestamp Optional. Unix timestamp.
+ * @param bool $gmt Optional, default is false. Whether to convert to GMT for time.
+ * @return string The date, translated if locale specifies it.
+ */
+function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) {
global $wp_locale;
$i = $unixtimestamp;
+ // Sanity check for PHP 5.1.0-
+ if ( false === $i || intval($i) < 0 ) {
+ if ( ! $gmt )
+ $i = current_time( 'timestamp' );
+ else
+ $i = time();
+ // we should not let date() interfere with our
+ // specially computed timestamp
+ $gmt = true;
+ }
+
+ // store original value for language with untypical grammars
+ // see http://core.trac.wordpress.org/ticket/9396
+ $req_format = $dateformatstring;
+
+ $datefunc = $gmt? 'gmdate' : 'date';
+
if ( ( !empty( $wp_locale->month ) ) && ( !empty( $wp_locale->weekday ) ) ) {
- $datemonth = $wp_locale->get_month( date( 'm', $i ) );
+ $datemonth = $wp_locale->get_month( $datefunc( 'm', $i ) );
$datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth );
- $dateweekday = $wp_locale->get_weekday( date( 'w', $i ) );
+ $dateweekday = $wp_locale->get_weekday( $datefunc( 'w', $i ) );
$dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday );
- $datemeridiem = $wp_locale->get_meridiem( date( 'a', $i ) );
- $datemeridiem_capital = $wp_locale->get_meridiem( date( 'A', $i ) );
+ $datemeridiem = $wp_locale->get_meridiem( $datefunc( 'a', $i ) );
+ $datemeridiem_capital = $wp_locale->get_meridiem( $datefunc( 'A', $i ) );
$dateformatstring = ' '.$dateformatstring;
$dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . backslashit( $dateweekday_abbrev ), $dateformatstring );
$dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . backslashit( $datemonth ), $dateformatstring );
@@ -84,23 +120,54 @@ function date_i18n( $dateformatstring, $unixtimestamp ) {
$dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
}
- $j = @date( $dateformatstring, $i );
+ $j = @$datefunc( $dateformatstring, $i );
+ // allow plugins to redo this entirely for languages with untypical grammars
+ $j = apply_filters('date_i18n', $j, $req_format, $i, $gmt);
return $j;
}
-
+/**
+ * Convert number to format based on the locale.
+ *
+ * @since 2.3.0
+ *
+ * @param mixed $number The number to convert based on locale.
+ * @param int $decimals Precision of the number of decimal places.
+ * @return string Converted number in string format.
+ */
function number_format_i18n( $number, $decimals = null ) {
global $wp_locale;
// let the user override the precision only
$decimals = ( is_null( $decimals ) ) ? $wp_locale->number_format['decimals'] : intval( $decimals );
- return number_format( $number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] );
-}
+ $num = number_format( $number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] );
+ // let the user translate digits from latin to localized language
+ return apply_filters( 'number_format_i18n', $num );
+}
+/**
+ * Convert number of bytes largest unit bytes will fit into.
+ *
+ * It is easier to read 1kB than 1024 bytes and 1MB than 1048576 bytes. Converts
+ * number of bytes to human readable number by taking the number of that unit
+ * that the bytes will go into it. Supports TB value.
+ *
+ * Please note that integers in PHP are limited to 32 bits, unless they are on
+ * 64 bit architecture, then they have 64 bit size. If you need to place the
+ * larger size then what PHP integer type will hold, then use a string. It will
+ * be converted to a double, which should always have 64 bit length.
+ *
+ * Technically the correct unit names for powers of 1024 are KiB, MiB etc.
+ * @link http://en.wikipedia.org/wiki/Byte
+ *
+ * @since 2.3.0
+ *
+ * @param int|string $bytes Number of bytes. Note max integer size for integers.
+ * @param int $decimals Precision of number of decimal places.
+ * @return bool|string False on failure. Number string on success.
+ */
function size_format( $bytes, $decimals = null ) {
- // technically the correct unit names for powers of 1024 are KiB, MiB etc
- // see http://en.wikipedia.org/wiki/Byte
$quant = array(
// ========================= Origin ====
'TB' => 1099511627776, // pow( 1024, 4)
@@ -117,14 +184,22 @@ function size_format( $bytes, $decimals = null ) {
return false;
}
-
+/**
+ * Get the week start and end from the datetime or date string from mysql.
+ *
+ * @since 0.71
+ *
+ * @param string $mysqlstring Date or datetime field type from mysql.
+ * @param int $start_of_week Optional. Start of the week as an integer.
+ * @return array Keys are 'start' and 'end'.
+ */
function get_weekstartend( $mysqlstring, $start_of_week = '' ) {
- $my = substr( $mysqlstring, 0, 4 );
- $mm = substr( $mysqlstring, 8, 2 );
- $md = substr( $mysqlstring, 5, 2 );
- $day = mktime( 0, 0, 0, $md, $mm, $my );
- $weekday = date( 'w', $day );
- $i = 86400;
+ $my = substr( $mysqlstring, 0, 4 ); // Mysql string Year
+ $mm = substr( $mysqlstring, 8, 2 ); // Mysql string Month
+ $md = substr( $mysqlstring, 5, 2 ); // Mysql string day
+ $day = mktime( 0, 0, 0, $md, $mm, $my ); // The timestamp for mysqlstring day.
+ $weekday = date( 'w', $day ); // The day of the week from the timestamp
+ $i = 86400; // One day
if( !is_numeric($start_of_week) )
$start_of_week = get_option( 'start_of_week' );
@@ -144,15 +219,31 @@ function get_weekstartend( $mysqlstring, $start_of_week = '' ) {
return $week;
}
-
+/**
+ * Unserialize value only if it was serialized.
+ *
+ * @since 2.0.0
+ *
+ * @param string $original Maybe unserialized original, if is needed.
+ * @return mixed Unserialized data can be any type.
+ */
function maybe_unserialize( $original ) {
if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in
- if ( false !== $gm = @unserialize( $original ) )
- return $gm;
+ return @unserialize( $original );
return $original;
}
-
+/**
+ * Check value to find if it was serialized.
+ *
+ * If $data is not an string, then returned value will always be false.
+ * Serialized data is always a string.
+ *
+ * @since 2.0.5
+ *
+ * @param mixed $data Value to check to see if was serialized.
+ * @return bool False if not serialized and true if it was.
+ */
function is_serialized( $data ) {
// if it isn't a string, it isn't serialized
if ( !is_string( $data ) )
@@ -179,7 +270,14 @@ function is_serialized( $data ) {
return false;
}
-
+/**
+ * Check whether serialized data is of string type.
+ *
+ * @since 2.0.5
+ *
+ * @param mixed $data Serialized data
+ * @return bool False if not a serialized string, true if it is.
+ */
function is_serialized_string( $data ) {
// if it isn't a string, it isn't a serialized string
if ( !is_string( $data ) )
@@ -190,11 +288,37 @@ function is_serialized_string( $data ) {
return false;
}
-
-/* Options functions */
-
-// expects $setting to already be SQL-escaped
-function get_option( $setting ) {
+/**
+ * Retrieve option value based on setting name.
+ *
+ * If the option does not exist or does not have a value, then the return value
+ * will be false. This is useful to check whether you need to install an option
+ * and is commonly used during installation of plugin options and to test
+ * whether upgrading is required.
+ *
+ * You can "short-circuit" the retrieval of the option from the database for
+ * your plugin or core options that aren't protected. You can do so by hooking
+ * into the 'pre_option_$option' with the $option being replaced by the option
+ * name. You should not try to override special options, but you will not be
+ * prevented from doing so.
+ *
+ * There is a second filter called 'option_$option' with the $option being
+ * replaced with the option name. This gives the value as the only parameter.
+ *
+ * If the option was serialized, when the option was added and, or updated, then
+ * it will be unserialized, when it is returned.
+ *
+ * @since 1.5.0
+ * @package WordPress
+ * @subpackage Option
+ * @uses apply_filters() Calls 'pre_option_$optionname' false to allow
+ * overwriting the option value in a plugin.
+ * @uses apply_filters() Calls 'option_$optionname' with the option name value.
+ *
+ * @param string $setting Name of option to retrieve. Should already be SQL-escaped
+ * @return mixed Value set for the option.
+ */
+function get_option( $setting, $default = false ) {
global $wpdb;
// Allow plugins to short-circuit options.
@@ -205,7 +329,7 @@ function get_option( $setting ) {
// prevent non-existent options from triggering multiple queries
$notoptions = wp_cache_get( 'notoptions', 'options' );
if ( isset( $notoptions[$setting] ) )
- return false;
+ return $default;
$alloptions = wp_load_alloptions();
@@ -216,7 +340,7 @@ function get_option( $setting ) {
if ( false === $value ) {
if ( defined( 'WP_INSTALLING' ) )
- $supress = $wpdb->suppress_errors();
+ $suppress = $wpdb->suppress_errors();
// expected_slashed ($setting)
$row = $wpdb->get_row( "SELECT option_value FROM $wpdb->options WHERE option_name = '$setting' LIMIT 1" );
if ( defined( 'WP_INSTALLING' ) )
@@ -228,7 +352,7 @@ function get_option( $setting ) {
} else { // option does not exist, so we must cache its non-existence
$notoptions[$setting] = true;
wp_cache_set( 'notoptions', $notoptions, 'options' );
- return false;
+ return $default;
}
}
}
@@ -243,28 +367,65 @@ function get_option( $setting ) {
return apply_filters( 'option_' . $setting, maybe_unserialize( $value ) );
}
-
+/**
+ * Protect WordPress special option from being modified.
+ *
+ * Will die if $option is in protected list. Protected options are 'alloptions'
+ * and 'notoptions' options.
+ *
+ * @since 2.2.0
+ * @package WordPress
+ * @subpackage Option
+ *
+ * @param string $option Option name.
+ */
function wp_protect_special_option( $option ) {
$protected = array( 'alloptions', 'notoptions' );
if ( in_array( $option, $protected ) )
- die( sprintf( __( '%s is a protected WP option and may not be modified' ), wp_specialchars( $option ) ) );
+ die( sprintf( __( '%s is a protected WP option and may not be modified' ), esc_html( $option ) ) );
}
+/**
+ * Print option value after sanitizing for forms.
+ *
+ * @uses attr Sanitizes value.
+ * @since 1.5.0
+ * @package WordPress
+ * @subpackage Option
+ *
+ * @param string $option Option name.
+ */
function form_option( $option ) {
- echo attribute_escape (get_option( $option ) );
+ echo esc_attr(get_option( $option ) );
}
+/**
+ * Retrieve all autoload options or all options, if no autoloaded ones exist.
+ *
+ * This is different from wp_load_alloptions() in that this function does not
+ * cache its results and will retrieve all options from the database every time
+ *
+ * it is called.
+ *
+ * @since 1.0.0
+ * @package WordPress
+ * @subpackage Option
+ * @uses apply_filters() Calls 'pre_option_$optionname' hook with option value as parameter.
+ * @uses apply_filters() Calls 'all_options' on options list.
+ *
+ * @return array List of all options.
+ */
function get_alloptions() {
- global $wpdb, $wp_queries;
+ global $wpdb;
$show = $wpdb->hide_errors();
if ( !$options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) )
$options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" );
$wpdb->show_errors($show);
- foreach ( $options as $option ) {
+ foreach ( (array) $options as $option ) {
// "When trying to design a foolproof system,
// never underestimate the ingenuity of the fools :)" -- Dougal
- if ( in_array( $option->option_name, array( 'siteurl', 'home', 'category_base' ) ) )
+ if ( in_array( $option->option_name, array( 'siteurl', 'home', 'category_base', 'tag_base' ) ) )
$option->option_value = untrailingslashit( $option->option_value );
$value = maybe_unserialize( $option->option_value );
$all_options->{$option->option_name} = apply_filters( 'pre_option_' . $option->option_name, $value );
@@ -272,7 +433,18 @@ function get_alloptions() {
return apply_filters( 'all_options', $all_options );
}
-
+/**
+ * Loads and caches all autoloaded options, if available or all options.
+ *
+ * This is different from get_alloptions(), in that this function will cache the
+ * options and will return the cached options when called again.
+ *
+ * @since 2.2.0
+ * @package WordPress
+ * @subpackage Option
+ *
+ * @return array List all options.
+ */
function wp_load_alloptions() {
global $wpdb;
@@ -291,8 +463,35 @@ function wp_load_alloptions() {
return $alloptions;
}
-
-// expects $option_name to NOT be SQL-escaped
+/**
+ * Update the value of an option that was already added.
+ *
+ * You do not need to serialize values, if the value needs to be serialize, then
+ * it will be serialized before it is inserted into the database. Remember,
+ * resources can not be serialized or added as an option.
+ *
+ * If the option does not exist, then the option will be added with the option
+ * value, but you will not be able to set whether it is autoloaded. If you want
+ * to set whether an option autoloaded, then you need to use the add_option().
+ *
+ * Before the option is updated, then the filter named
+ * 'pre_update_option_$option_name', with the $option_name as the $option_name
+ * parameter value, will be called. The hook should accept two parameters, the
+ * first is the new value and the second is the old value. Whatever is
+ * returned will be used as the new value.
+ *
+ * After the value has been updated the action named 'update_option_$option_name'
+ * will be called. This action receives two parameters the first being the old
+ * value and the second the new value.
+ *
+ * @since 1.0.0
+ * @package WordPress
+ * @subpackage Option
+ *
+ * @param string $option_name Option name. Expected to not be SQL-escaped
+ * @param mixed $newvalue Option value.
+ * @return bool False if value was not updated and true if value was updated.
+ */
function update_option( $option_name, $newvalue ) {
global $wpdb;
@@ -301,8 +500,11 @@ function update_option( $option_name, $newvalue ) {
$safe_option_name = $wpdb->escape( $option_name );
$newvalue = sanitize_option( $option_name, $newvalue );
- // If the new and old values are the same, no need to update.
$oldvalue = get_option( $safe_option_name );
+
+ $newvalue = apply_filters( 'pre_update_option_' . $option_name, $newvalue, $oldvalue );
+
+ // If the new and old values are the same, no need to update.
if ( $newvalue === $oldvalue )
return false;
@@ -328,7 +530,8 @@ function update_option( $option_name, $newvalue ) {
wp_cache_set( $option_name, $newvalue, 'options' );
}
- $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->options SET option_value = %s WHERE option_name = %s", $newvalue, $option_name ) );
+ $wpdb->update($wpdb->options, array('option_value' => $newvalue), array('option_name' => $option_name) );
+
if ( $wpdb->rows_affected == 1 ) {
do_action( "update_option_{$option_name}", $oldvalue, $_newvalue );
return true;
@@ -336,9 +539,34 @@ function update_option( $option_name, $newvalue ) {
return false;
}
-
-// thx Alex Stapleton, http://alex.vort-x.net/blog/
-// expects $name to NOT be SQL-escaped
+/**
+ * Add a new option.
+ *
+ * You do not need to serialize values, if the value needs to be serialize, then
+ * it will be serialized before it is inserted into the database. Remember,
+ * resources can not be serialized or added as an option.
+ *
+ * You can create options without values and then add values later. Does not
+ * check whether the option has already been added, but does check that you
+ * aren't adding a protected WordPress option. Care should be taken to not name
+ * options, the same as the ones which are protected and to not add options
+ * that were already added.
+ *
+ * The filter named 'add_option_$optionname', with the $optionname being
+ * replaced with the option's name, will be called. The hook should accept two
+ * parameters, the first is the option name, and the second is the value.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 1.0.0
+ * @link http://alex.vort-x.net/blog/ Thanks Alex Stapleton
+ *
+ * @param string $name Option name to add. Expects to NOT be SQL escaped.
+ * @param mixed $value Optional. Option value, can be anything.
+ * @param mixed $deprecated Optional. Description. Not used anymore.
+ * @param bool $autoload Optional. Default is enabled. Whether to load the option when WordPress starts up.
+ * @return null returns when finished.
+ */
function add_option( $name, $value = '', $deprecated = '', $autoload = 'yes' ) {
global $wpdb;
@@ -370,13 +598,22 @@ function add_option( $name, $value = '', $deprecated = '', $autoload = 'yes' ) {
wp_cache_set( 'notoptions', $notoptions, 'options' );
}
- $wpdb->query( $wpdb->prepare( "INSERT INTO $wpdb->options (option_name, option_value, autoload) VALUES (%s, %s, %s)", $name, $value, $autoload ) );
+ $wpdb->insert($wpdb->options, array('option_name' => $name, 'option_value' => $value, 'autoload' => $autoload) );
- do_action( "add_option_{$name}", $name, $value );
+ do_action( "add_option_{$name}", $name, $value );
return;
}
-
+/**
+ * Removes option by name and prevents removal of protected WordPress options.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 1.2.0
+ *
+ * @param string $name Option name to remove.
+ * @return bool True, if succeed. False, if failure.
+ */
function delete_option( $name ) {
global $wpdb;
@@ -401,24 +638,347 @@ function delete_option( $name ) {
return true;
}
+/**
+ * Delete a transient
+ *
+ * @since 2.8.0
+ * @package WordPress
+ * @subpackage Transient
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped
+ * @return bool true if successful, false otherwise
+ */
+function delete_transient($transient) {
+ global $_wp_using_ext_object_cache, $wpdb;
+ if ( $_wp_using_ext_object_cache ) {
+ return wp_cache_delete($transient, 'transient');
+ } else {
+ $transient = '_transient_' . $wpdb->escape($transient);
+ return delete_option($transient);
+ }
+}
+
+/**
+ * Get the value of a transient
+ *
+ * If the transient does not exist or does not have a value, then the return value
+ * will be false.
+ *
+ * @since 2.8.0
+ * @package WordPress
+ * @subpackage Transient
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped
+ * @return mixed Value of transient
+ */
+function get_transient($transient) {
+ global $_wp_using_ext_object_cache, $wpdb;
+
+ $pre = apply_filters( 'pre_transient_' . $transient, false );
+ if ( false !== $pre )
+ return $pre;
+
+ if ( $_wp_using_ext_object_cache ) {
+ $value = wp_cache_get($transient, 'transient');
+ } else {
+ $transient_option = '_transient_' . $wpdb->escape($transient);
+ // If option is not in alloptions, it is not autoloaded and thus has a timeout
+ $alloptions = wp_load_alloptions();
+ if ( !isset( $alloptions[$transient_option] ) ) {
+ $transient_timeout = '_transient_timeout_' . $wpdb->escape($transient);
+ if ( get_option($transient_timeout) < time() ) {
+ delete_option($transient_option);
+ delete_option($transient_timeout);
+ return false;
+ }
+ }
+
+ $value = get_option($transient_option);
+ }
+
+ return apply_filters('transient_' . $transient, $value);
+}
+
+/**
+ * Set/update the value of a transient
+ *
+ * You do not need to serialize values, if the value needs to be serialize, then
+ * it will be serialized before it is set.
+ *
+ * @since 2.8.0
+ * @package WordPress
+ * @subpackage Transient
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped
+ * @param mixed $value Transient value.
+ * @param int $expiration Time until expiration in seconds, default 0
+ * @return bool False if value was not set and true if value was set.
+ */
+function set_transient($transient, $value, $expiration = 0) {
+ global $_wp_using_ext_object_cache, $wpdb;
+
+ if ( $_wp_using_ext_object_cache ) {
+ return wp_cache_set($transient, $value, 'transient', $expiration);
+ } else {
+ $transient_timeout = '_transient_timeout_' . $transient;
+ $transient = '_transient_' . $transient;
+ $safe_transient = $wpdb->escape($transient);
+ if ( false === get_option( $safe_transient ) ) {
+ $autoload = 'yes';
+ if ( 0 != $expiration ) {
+ $autoload = 'no';
+ add_option($transient_timeout, time() + $expiration, '', 'no');
+ }
+ return add_option($transient, $value, '', $autoload);
+ } else {
+ if ( 0 != $expiration )
+ update_option($transient_timeout, time() + $expiration);
+ return update_option($transient, $value);
+ }
+ }
+}
+
+/**
+ * Saves and restores user interface settings stored in a cookie.
+ *
+ * Checks if the current user-settings cookie is updated and stores it. When no
+ * cookie exists (different browser used), adds the last saved cookie restoring
+ * the settings.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.7.0
+ */
+function wp_user_settings() {
+
+ if ( ! is_admin() )
+ return;
+
+ if ( defined('DOING_AJAX') )
+ return;
+
+ if ( ! $user = wp_get_current_user() )
+ return;
+
+ $settings = get_user_option( 'user-settings', $user->ID, false );
+
+ if ( isset( $_COOKIE['wp-settings-' . $user->ID] ) ) {
+ $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] );
+
+ if ( ! empty( $cookie ) && strpos( $cookie, '=' ) ) {
+ if ( $cookie == $settings )
+ return;
+
+ $last_time = (int) get_user_option( 'user-settings-time', $user->ID, false );
+ $saved = isset( $_COOKIE['wp-settings-time-' . $user->ID]) ? preg_replace( '/[^0-9]/', '', $_COOKIE['wp-settings-time-' . $user->ID] ) : 0;
+
+ if ( $saved > $last_time ) {
+ update_user_option( $user->ID, 'user-settings', $cookie, false );
+ update_user_option( $user->ID, 'user-settings-time', time() - 5, false );
+ return;
+ }
+ }
+ }
+
+ setcookie( 'wp-settings-' . $user->ID, $settings, time() + 31536000, SITECOOKIEPATH );
+ setcookie( 'wp-settings-time-' . $user->ID, time(), time() + 31536000, SITECOOKIEPATH );
+ $_COOKIE['wp-settings-' . $user->ID] = $settings;
+}
+
+/**
+ * Retrieve user interface setting value based on setting name.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.7.0
+ *
+ * @param string $name The name of the setting.
+ * @param string $default Optional default value to return when $name is not set.
+ * @return mixed the last saved user setting or the default value/false if it doesn't exist.
+ */
+function get_user_setting( $name, $default = false ) {
+
+ $all = get_all_user_settings();
+
+ return isset($all[$name]) ? $all[$name] : $default;
+}
+
+/**
+ * Add or update user interface setting.
+ *
+ * Both $name and $value can contain only ASCII letters, numbers and underscores.
+ * This function has to be used before any output has started as it calls setcookie().
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.8.0
+ *
+ * @param string $name The name of the setting.
+ * @param string $value The value for the setting.
+ * @return bool true if set successfully/false if not.
+ */
+function set_user_setting( $name, $value ) {
+
+ if ( headers_sent() )
+ return false;
+
+ $all = get_all_user_settings();
+ $name = preg_replace( '/[^A-Za-z0-9_]+/', '', $name );
+
+ if ( empty($name) )
+ return false;
+
+ $all[$name] = $value;
+
+ return wp_set_all_user_settings($all);
+}
+
+/**
+ * Delete user interface settings.
+ *
+ * Deleting settings would reset them to the defaults.
+ * This function has to be used before any output has started as it calls setcookie().
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.7.0
+ *
+ * @param mixed $names The name or array of names of the setting to be deleted.
+ * @return bool true if deleted successfully/false if not.
+ */
+function delete_user_setting( $names ) {
+
+ if ( headers_sent() )
+ return false;
+
+ $all = get_all_user_settings();
+ $names = (array) $names;
+
+ foreach ( $names as $name ) {
+ if ( isset($all[$name]) ) {
+ unset($all[$name]);
+ $deleted = true;
+ }
+ }
+
+ if ( isset($deleted) )
+ return wp_set_all_user_settings($all);
+
+ return false;
+}
+
+/**
+ * Retrieve all user interface settings.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.7.0
+ *
+ * @return array the last saved user settings or empty array.
+ */
+function get_all_user_settings() {
+ global $_updated_user_settings;
+
+ if ( ! $user = wp_get_current_user() )
+ return array();
+
+ if ( isset($_updated_user_settings) && is_array($_updated_user_settings) )
+ return $_updated_user_settings;
+
+ $all = array();
+ if ( isset($_COOKIE['wp-settings-' . $user->ID]) ) {
+ $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] );
+
+ if ( $cookie && strpos($cookie, '=') ) // the '=' cannot be 1st char
+ parse_str($cookie, $all);
+
+ } else {
+ $option = get_user_option('user-settings', $user->ID);
+ if ( $option && is_string($option) )
+ parse_str( $option, $all );
+ }
+
+ return $all;
+}
+
+/**
+ * Private. Set all user interface settings.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.8.0
+ *
+ */
+function wp_set_all_user_settings($all) {
+ global $_updated_user_settings;
+
+ if ( ! $user = wp_get_current_user() )
+ return false;
+
+ $_updated_user_settings = $all;
+ $settings = '';
+ foreach ( $all as $k => $v ) {
+ $v = preg_replace( '/[^A-Za-z0-9_]+/', '', $v );
+ $settings .= $k . '=' . $v . '&';
+ }
+
+ $settings = rtrim($settings, '&');
+
+ update_user_option( $user->ID, 'user-settings', $settings, false );
+ update_user_option( $user->ID, 'user-settings-time', time(), false );
+
+ return true;
+}
+
+/**
+ * Delete the user settings of the current user.
+ *
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.7.0
+ */
+function delete_all_user_settings() {
+ if ( ! $user = wp_get_current_user() )
+ return;
+
+ update_user_option( $user->ID, 'user-settings', '', false );
+ setcookie('wp-settings-' . $user->ID, ' ', time() - 31536000, SITECOOKIEPATH);
+}
+
+/**
+ * Serialize data, if needed.
+ *
+ * @since 2.0.5
+ *
+ * @param mixed $data Data that might be serialized.
+ * @return mixed A scalar data
+ */
function maybe_serialize( $data ) {
- if ( is_string( $data ) )
- $data = trim( $data );
- elseif ( is_array( $data ) || is_object( $data ) )
+ if ( is_array( $data ) || is_object( $data ) )
return serialize( $data );
+
if ( is_serialized( $data ) )
return serialize( $data );
+
return $data;
}
-
+/**
+ * Strip HTML and put links at the bottom of stripped content.
+ *
+ * Searches for all of the links, strips them out of the content, and places
+ * them at the bottom of the content with numbers.
+ *
+ * @since 0.71
+ *
+ * @param string $content Content to get links
+ * @return string HTML stripped out of content with links at the bottom.
+ */
function make_url_footnote( $content ) {
preg_match_all( '/(.+?)<\/a>/', $content, $matches );
- $j = 0;
+ $links_summary = "\n";
for ( $i=0; $i(.+?)<\/title>/is', $content, $matchtitle ) ) {
- $post_title = $matchtitle[0];
- $post_title = preg_replace( '//si', '', $post_title );
- $post_title = preg_replace( '/<\/title>/si', '', $post_title );
+ $post_title = $matchtitle[1];
} else {
$post_title = $post_default_title;
}
return $post_title;
}
-
+/**
+ * Retrieve the post category or categories from XMLRPC XML.
+ *
+ * If the category element is not found, then the default post category will be
+ * used. The return type then would be what $post_default_category. If the
+ * category is found, then it will always be an array.
+ *
+ * @package WordPress
+ * @subpackage XMLRPC
+ * @since 0.71
+ *
+ * @global string $post_default_category Default XMLRPC post category.
+ *
+ * @param string $content XMLRPC XML Request content
+ * @return string|array List of categories or category name.
+ */
function xmlrpc_getpostcategory( $content ) {
global $post_default_category;
if ( preg_match( '/(.+?)<\/category>/is', $content, $matchcat ) ) {
@@ -457,7 +1044,16 @@ function xmlrpc_getpostcategory( $content ) {
return $post_category;
}
-
+/**
+ * XMLRPC XML content without title and category elements.
+ *
+ * @package WordPress
+ * @subpackage XMLRPC
+ * @since 0.71
+ *
+ * @param string $content XMLRPC XML Request content
+ * @return string XMLRPC XML Request content without title and category elements.
+ */
function xmlrpc_removepostdata( $content ) {
$content = preg_replace( '/(.+?)<\/title>/si', '', $content );
$content = preg_replace( '/(.+?)<\/category>/si', '', $content );
@@ -465,7 +1061,22 @@ function xmlrpc_removepostdata( $content ) {
return $content;
}
-
+/**
+ * Open the file handle for debugging.
+ *
+ * This function is used for XMLRPC feature, but it is general purpose enough
+ * to be used in anywhere.
+ *
+ * @see fopen() for mode options.
+ * @package WordPress
+ * @subpackage Debug
+ * @since 0.71
+ * @uses $debug Used for whether debugging is enabled.
+ *
+ * @param string $filename File path to debug file.
+ * @param string $mode Same as fopen() mode parameter.
+ * @return bool|resource File handle. False on failure.
+ */
function debug_fopen( $filename, $mode ) {
global $debug;
if ( 1 == $debug ) {
@@ -476,20 +1087,60 @@ function debug_fopen( $filename, $mode ) {
}
}
-
+/**
+ * Write contents to the file used for debugging.
+ *
+ * Technically, this can be used to write to any file handle when the global
+ * $debug is set to 1 or true.
+ *
+ * @package WordPress
+ * @subpackage Debug
+ * @since 0.71
+ * @uses $debug Used for whether debugging is enabled.
+ *
+ * @param resource $fp File handle for debugging file.
+ * @param string $string Content to write to debug file.
+ */
function debug_fwrite( $fp, $string ) {
global $debug;
if ( 1 == $debug )
fwrite( $fp, $string );
}
-
+/**
+ * Close the debugging file handle.
+ *
+ * Technically, this can be used to close any file handle when the global $debug
+ * is set to 1 or true.
+ *
+ * @package WordPress
+ * @subpackage Debug
+ * @since 0.71
+ * @uses $debug Used for whether debugging is enabled.
+ *
+ * @param resource $fp Debug File handle.
+ */
function debug_fclose( $fp ) {
global $debug;
if ( 1 == $debug )
fclose( $fp );
}
+/**
+ * Check content for video and audio links to add as enclosures.
+ *
+ * Will not add enclosures that have already been added and will
+ * remove enclosures that are no longer in the post. This is called as
+ * pingbacks and trackbacks.
+ *
+ * @package WordPress
+ * @since 1.5.0
+ *
+ * @uses $wpdb
+ *
+ * @param string $content Post Content
+ * @param int $post_ID Post ID
+ */
function do_enclose( $content, $post_ID ) {
global $wpdb;
include_once( ABSPATH . WPINC . '/class-IXR.php' );
@@ -510,7 +1161,13 @@ function do_enclose( $content, $post_ID ) {
debug_fwrite( $log, 'Post contents:' );
debug_fwrite( $log, $content . "\n" );
- foreach ( $post_links_temp[0] as $link_test ) {
+ foreach ( $pung as $link_test ) {
+ if ( !in_array( $link_test, $post_links_temp[0] ) ) { // link no longer in post
+ $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $link_test . '%') );
+ }
+ }
+
+ foreach ( (array) $post_links_temp[0] as $link_test ) {
if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already
$test = parse_url( $link_test );
if ( isset( $test['query'] ) )
@@ -520,101 +1177,94 @@ function do_enclose( $content, $post_ID ) {
}
}
- foreach ( $post_links as $url ) {
+ foreach ( (array) $post_links as $url ) {
if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $url . '%' ) ) ) {
if ( $headers = wp_get_http_headers( $url) ) {
$len = (int) $headers['content-length'];
- $type = $wpdb->escape( $headers['content-type'] );
+ $type = $headers['content-type'];
$allowed_types = array( 'video', 'audio' );
if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) {
$meta_value = "$url\n$len\n$type\n";
- $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->postmeta` ( `post_id` , `meta_key` , `meta_value` )
- VALUES ( %d, 'enclosure' , %s)", $post_ID, $meta_value ) );
+ $wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) );
}
}
}
}
}
-// perform a HTTP HEAD or GET request
-// if $file_path is a writable filename, this will do a GET request and write the file to that path
-// returns a list of HTTP headers
-function wp_get_http( $url, $file_path = false, $red = 1 ) {
- global $wp_version;
+/**
+ * Perform a HTTP HEAD or GET request.
+ *
+ * If $file_path is a writable filename, this will do a GET request and write
+ * the file to that path.
+ *
+ * @since 2.5.0
+ *
+ * @param string $url URL to fetch.
+ * @param string|bool $file_path Optional. File path to write request to.
+ * @param bool $deprecated Deprecated. Not used.
+ * @return bool|string False on failure and string of headers if HEAD request.
+ */
+function wp_get_http( $url, $file_path = false, $deprecated = false ) {
@set_time_limit( 60 );
- if ( $red > 5 )
- return false;
+ $options = array();
+ $options['redirection'] = 5;
- $parts = parse_url( $url );
- $file = $parts['path'] . ( ( $parts['query'] ) ? '?' . $parts['query'] : '' );
- $host = $parts['host'];
- if ( !isset( $parts['port'] ) )
- $parts['port'] = 80;
-
- if ( $file_path )
- $request_type = 'GET';
+ if ( false == $file_path )
+ $options['method'] = 'HEAD';
else
- $request_type = 'HEAD';
+ $options['method'] = 'GET';
- $head = "$request_type $file HTTP/1.1\r\nHOST: $host\r\nUser-Agent: WordPress/" . $wp_version . "\r\n\r\n";
+ $response = wp_remote_request($url, $options);
- $fp = @fsockopen( $host, $parts['port'], $err_num, $err_msg, 3 );
- if ( !$fp )
+ if ( is_wp_error( $response ) )
return false;
- $response = '';
- fputs( $fp, $head );
- while ( !feof( $fp ) && strpos( $response, "\r\n\r\n" ) == false )
- $response .= fgets( $fp, 2048 );
- preg_match_all( '/(.*?): (.*)\r/', $response, $matches );
- $count = count( $matches[1] );
- for ( $i = 0; $i < $count; $i++ ) {
- $key = strtolower( $matches[1][$i] );
- $headers["$key"] = $matches[2][$i];
- }
-
- preg_match( '/.*([0-9]{3}).*/', $response, $return );
- $headers['response'] = $return[1]; // HTTP response code eg 204, 200, 404
-
- $code = $headers['response'];
- if ( ( '302' == $code || '301' == $code ) && isset( $headers['location'] ) ) {
- fclose($fp);
- return wp_get_http( $headers['location'], $file_path, ++$red );
- }
-
- // make a note of the final location, so the caller can tell if we were redirected or not
- $headers['x-final-location'] = $url;
+ $headers = wp_remote_retrieve_headers( $response );
+ $headers['response'] = $response['response']['code'];
- // HEAD request only
- if ( !$file_path ) {
- fclose($fp);
+ if ( false == $file_path )
return $headers;
- }
- // GET request - fetch and write it to the supplied filename
- $content_length = $headers['content-length'];
- $got_bytes = 0;
+ // GET request - write it to the supplied filename
$out_fp = fopen($file_path, 'w');
- while ( !feof($fp) ) {
- $buf = fread( $fp, 4096 );
- fwrite( $out_fp, $buf );
- $got_bytes += strlen($buf);
- // don't read past the content-length
- if ($content_length and $got_bytes >= $content_length)
- break;
- }
+ if ( !$out_fp )
+ return $headers;
+ fwrite( $out_fp, $response['body']);
fclose($out_fp);
- fclose($fp);
+
return $headers;
}
-function wp_get_http_headers( $url, $red = 1 ) {
- return wp_get_http( $url, false, $red );
-}
+/**
+ * Retrieve HTTP Headers from URL.
+ *
+ * @since 1.5.1
+ *
+ * @param string $url
+ * @param bool $deprecated Not Used.
+ * @return bool|string False on failure, headers on success.
+ */
+function wp_get_http_headers( $url, $deprecated = false ) {
+ $response = wp_remote_head( $url );
+
+ if ( is_wp_error( $response ) )
+ return false;
+ return wp_remote_retrieve_headers( $response );
+}
+/**
+ * Whether today is a new day.
+ *
+ * @since 0.71
+ * @uses $day Today
+ * @uses $previousday Previous day
+ *
+ * @return int 1 when new day, 0 if not a new day.
+ */
function is_new_day() {
global $day, $previousday;
if ( $day != $previousday )
@@ -623,22 +1273,42 @@ function is_new_day() {
return 0;
}
-
+/**
+ * Build URL query based on an associative and, or indexed array.
+ *
+ * This is a convenient function for easily building url queries. It sets the
+ * separator to '&' and uses _http_build_query() function.
+ *
+ * @see _http_build_query() Used to build the query
+ * @link http://us2.php.net/manual/en/function.http-build-query.php more on what
+ * http_build_query() does.
+ *
+ * @since 2.3.0
+ *
+ * @param array $data URL-encode key/value pairs.
+ * @return string URL encoded string
+ */
function build_query( $data ) {
- return _http_build_query( $data, NULL, '&', '', false );
+ return _http_build_query( $data, null, '&', '', false );
}
-
-/*
-add_query_arg: Returns a modified querystring by adding
-a single key & value or an associative array.
-Setting a key value to emptystring removes the key.
-Omitting oldquery_or_uri uses the $_SERVER value.
-
-Parameters:
-add_query_arg(newkey, newvalue, oldquery_or_uri) or
-add_query_arg(associative_array, oldquery_or_uri)
-*/
+/**
+ * Retrieve a modified URL query string.
+ *
+ * You can rebuild the URL and append a new query variable to the URL query by
+ * using this function. You can also retrieve the full URL with query data.
+ *
+ * Adding a single key & value or an associative array. Setting a key value to
+ * emptystring removes the key. Omitting oldquery_or_uri uses the $_SERVER
+ * value.
+ *
+ * @since 1.5.0
+ *
+ * @param mixed $param1 Either newkey or an associative_array
+ * @param mixed $param2 Either newvalue or oldquery or uri
+ * @param mixed $param3 Optional. Old query or uri
+ * @return string New URL query string.
+ */
function add_query_arg() {
$ret = '';
if ( is_array( func_get_arg(0) ) ) {
@@ -691,7 +1361,7 @@ function add_query_arg() {
$qs[func_get_arg( 0 )] = func_get_arg( 1 );
}
- foreach ( $qs as $k => $v ) {
+ foreach ( (array) $qs as $k => $v ) {
if ( $v === false )
unset( $qs[$k] );
}
@@ -704,31 +1374,37 @@ function add_query_arg() {
return $ret;
}
-
-/*
-remove_query_arg: Returns a modified querystring by removing
-a single key or an array of keys.
-Omitting oldquery_or_uri uses the $_SERVER value.
-
-Parameters:
-remove_query_arg(removekey, [oldquery_or_uri]) or
-remove_query_arg(removekeyarray, [oldquery_or_uri])
-*/
-
-function remove_query_arg( $key, $query=FALSE ) {
+/**
+ * Removes an item or list from the query string.
+ *
+ * @since 1.5.0
+ *
+ * @param string|array $key Query key or keys to remove.
+ * @param bool $query When false uses the $_SERVER value.
+ * @return string New URL query string.
+ */
+function remove_query_arg( $key, $query=false ) {
if ( is_array( $key ) ) { // removing multiple keys
- foreach ( (array) $key as $k )
- $query = add_query_arg( $k, FALSE, $query );
+ foreach ( $key as $k )
+ $query = add_query_arg( $k, false, $query );
return $query;
}
- return add_query_arg( $key, FALSE, $query );
+ return add_query_arg( $key, false, $query );
}
-
+/**
+ * Walks the array while sanitizing the contents.
+ *
+ * @uses $wpdb Used to sanitize values
+ * @since 0.71
+ *
+ * @param array $array Array to used to walk while sanitizing contents.
+ * @return array Sanitized $array.
+ */
function add_magic_quotes( $array ) {
global $wpdb;
- foreach ( $array as $k => $v ) {
+ foreach ( (array) $array as $k => $v ) {
if ( is_array( $v ) ) {
$array[$k] = add_magic_quotes( $v );
} else {
@@ -738,42 +1414,39 @@ function add_magic_quotes( $array ) {
return $array;
}
+/**
+ * HTTP request for URI to retrieve content.
+ *
+ * @since 1.5.1
+ * @uses wp_remote_get()
+ *
+ * @param string $uri URI/URL of web page to retrieve.
+ * @return bool|string HTTP content. False on failure.
+ */
function wp_remote_fopen( $uri ) {
- $timeout = 10;
$parsed_url = @parse_url( $uri );
if ( !$parsed_url || !is_array( $parsed_url ) )
return false;
- if ( !isset( $parsed_url['scheme'] ) || !in_array( $parsed_url['scheme'], array( 'http','https' ) ) )
- $uri = 'http://' . $uri;
+ $options = array();
+ $options['timeout'] = 10;
- if ( ini_get( 'allow_url_fopen' ) ) {
- $fp = @fopen( $uri, 'r' );
- if ( !$fp )
- return false;
+ $response = wp_remote_get( $uri, $options );
- //stream_set_timeout($fp, $timeout); // Requires php 4.3
- $linea = '';
- while ( $remote_read = fread( $fp, 4096 ) )
- $linea .= $remote_read;
- fclose( $fp );
- return $linea;
- } elseif ( function_exists( 'curl_init' ) ) {
- $handle = curl_init();
- curl_setopt( $handle, CURLOPT_URL, $uri);
- curl_setopt( $handle, CURLOPT_CONNECTTIMEOUT, 1 );
- curl_setopt( $handle, CURLOPT_RETURNTRANSFER, 1 );
- curl_setopt( $handle, CURLOPT_TIMEOUT, $timeout );
- $buffer = curl_exec( $handle );
- curl_close( $handle );
- return $buffer;
- } else {
+ if ( is_wp_error( $response ) )
return false;
- }
-}
+ return $response['body'];
+}
+/**
+ * Setup the WordPress query.
+ *
+ * @since 2.0.0
+ *
+ * @param string $query_vars Default WP_Query arguments.
+ */
function wp( $query_vars = '' ) {
global $wp, $wp_query, $wp_the_query;
$wp->main( $query_vars );
@@ -782,7 +1455,14 @@ function wp( $query_vars = '' ) {
$wp_the_query = $wp_query;
}
-
+/**
+ * Retrieve the description for the HTTP status.
+ *
+ * @since 2.3.0
+ *
+ * @param int $code HTTP status code.
+ * @return string Empty string if not found, or description if found.
+ */
function get_status_header_desc( $code ) {
global $wp_header_to_desc;
@@ -792,6 +1472,7 @@ function get_status_header_desc( $code ) {
$wp_header_to_desc = array(
100 => 'Continue',
101 => 'Switching Protocols',
+ 102 => 'Processing',
200 => 'OK',
201 => 'Created',
@@ -800,6 +1481,8 @@ function get_status_header_desc( $code ) {
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
+ 207 => 'Multi-Status',
+ 226 => 'IM Used',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
@@ -807,10 +1490,12 @@ function get_status_header_desc( $code ) {
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
+ 306 => 'Reserved',
307 => 'Temporary Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
+ 402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
@@ -826,13 +1511,20 @@ function get_status_header_desc( $code ) {
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
+ 422 => 'Unprocessable Entity',
+ 423 => 'Locked',
+ 424 => 'Failed Dependency',
+ 426 => 'Upgrade Required',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
- 505 => 'HTTP Version Not Supported'
+ 505 => 'HTTP Version Not Supported',
+ 506 => 'Variant Also Negotiates',
+ 507 => 'Insufficient Storage',
+ 510 => 'Not Extended'
);
}
@@ -842,7 +1534,17 @@ function get_status_header_desc( $code ) {
return '';
}
-
+/**
+ * Set HTTP status header.
+ *
+ * @since 2.0.0
+ * @uses apply_filters() Calls 'status_header' on status header string, HTTP
+ * HTTP code, HTTP code description, and protocol string as separate
+ * parameters.
+ *
+ * @param int $header HTTP status code
+ * @return null Does not return anything.
+ */
function status_header( $header ) {
$text = get_status_header_desc( $header );
@@ -856,22 +1558,54 @@ function status_header( $header ) {
if ( function_exists( 'apply_filters' ) )
$status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol );
- if ( version_compare( phpversion(), '4.3.0', '>=' ) )
- return @header( $status_header, true, $header );
- else
- return @header( $status_header );
+ return @header( $status_header, true, $header );
}
+/**
+ * Gets the header information to prevent caching.
+ *
+ * The several different headers cover the different ways cache prevention is handled
+ * by different browsers
+ *
+ * @since 2.8
+ *
+ * @uses apply_filters()
+ * @return array The associative array of header names and field values.
+ */
+function wp_get_nocache_headers() {
+ $headers = array(
+ 'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
+ 'Last-Modified' => gmdate( 'D, d M Y H:i:s' ) . ' GMT',
+ 'Cache-Control' => 'no-cache, must-revalidate, max-age=0',
+ 'Pragma' => 'no-cache',
+ );
+
+ if ( function_exists('apply_filters') ) {
+ $headers = apply_filters('nocache_headers', $headers);
+ }
+ return $headers;
+}
+/**
+ * Sets the headers to prevent caching for the different browsers.
+ *
+ * Different browsers support different nocache headers, so several headers must
+ * be sent so that all of them get the point that no caching should occur.
+ *
+ * @since 2.0.0
+ * @uses wp_get_nocache_headers()
+ */
function nocache_headers() {
- // why are these @-silenced when other header calls aren't?
- @header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' );
- @header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
- @header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
- @header( 'Pragma: no-cache' );
+ $headers = wp_get_nocache_headers();
+ foreach( (array) $headers as $name => $field_value )
+ @header("{$name}: {$field_value}");
}
-
+/**
+ * Set the headers for caching for 10 days with JavaScript content type.
+ *
+ * @since 2.1.0
+ */
function cache_javascript_headers() {
$expiresOffset = 864000; // 10 days
header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) );
@@ -879,18 +1613,42 @@ function cache_javascript_headers() {
header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" );
}
-
+/**
+ * Retrieve the number of database queries during the WordPress execution.
+ *
+ * @since 2.0.0
+ *
+ * @return int Number of database queries
+ */
function get_num_queries() {
global $wpdb;
return $wpdb->num_queries;
}
-
+/**
+ * Whether input is yes or no. Must be 'y' to be true.
+ *
+ * @since 1.0.0
+ *
+ * @param string $yn Character string containing either 'y' or 'n'
+ * @return bool True if yes, false on anything else
+ */
function bool_from_yn( $yn ) {
return ( strtolower( $yn ) == 'y' );
}
-
+/**
+ * Loads the feed template from the use of an action hook.
+ *
+ * If the feed action does not have a hook, then the function will die with a
+ * message telling the visitor that the feed is not valid.
+ *
+ * It is better to only have one hook for each feed.
+ *
+ * @since 2.1.0
+ * @uses $wp_query Used to tell if the use a comment feed.
+ * @uses do_action() Calls 'do_feed_$feed' hook, if a hook exists for the feed.
+ */
function do_feed() {
global $wp_query;
@@ -904,24 +1662,38 @@ function do_feed() {
$hook = 'do_feed_' . $feed;
if ( !has_action($hook) ) {
- $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), wp_specialchars($feed));
+ $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), esc_html($feed));
wp_die($message);
}
do_action( $hook, $wp_query->is_comment_feed );
}
-
+/**
+ * Load the RDF RSS 0.91 Feed template.
+ *
+ * @since 2.1.0
+ */
function do_feed_rdf() {
load_template( ABSPATH . WPINC . '/feed-rdf.php' );
}
-
+/**
+ * Load the RSS 1.0 Feed Template
+ *
+ * @since 2.1.0
+ */
function do_feed_rss() {
load_template( ABSPATH . WPINC . '/feed-rss.php' );
}
-
+/**
+ * Load either the RSS2 comment feed or the RSS2 posts feed.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $for_comments True for the comment feed, false for normal feed.
+ */
function do_feed_rss2( $for_comments ) {
if ( $for_comments )
load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' );
@@ -929,7 +1701,13 @@ function do_feed_rss2( $for_comments ) {
load_template( ABSPATH . WPINC . '/feed-rss2.php' );
}
-
+/**
+ * Load either Atom comment feed or Atom posts feed.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $for_comments True for the comment feed, false for normal feed.
+ */
function do_feed_atom( $for_comments ) {
if ($for_comments)
load_template( ABSPATH . WPINC . '/feed-atom-comments.php');
@@ -937,6 +1715,15 @@ function do_feed_atom( $for_comments ) {
load_template( ABSPATH . WPINC . '/feed-atom.php' );
}
+/**
+ * Display the robot.txt file content.
+ *
+ * The echo content should be with usage of the permalinks or for creating the
+ * robot.txt file.
+ *
+ * @since 2.1.0
+ * @uses do_action() Calls 'do_robotstxt' hook for displaying robot.txt rules.
+ */
function do_robots() {
header( 'Content-Type: text/plain; charset=utf-8' );
@@ -951,46 +1738,118 @@ function do_robots() {
}
}
-
+/**
+ * Test whether blog is already installed.
+ *
+ * The cache will be checked first. If you have a cache plugin, which saves the
+ * cache values, then this will work. If you use the default WordPress cache,
+ * and the database goes away, then you might have problems.
+ *
+ * Checks for the option siteurl for whether WordPress is installed.
+ *
+ * @since 2.1.0
+ * @uses $wpdb
+ *
+ * @return bool Whether blog is already installed.
+ */
function is_blog_installed() {
global $wpdb;
- // Check cache first. If options table goes away and we have true cached, oh well.
- if ( wp_cache_get('is_blog_installed') )
+ // Check cache first. If options table goes away and we have true cached, oh well.
+ if ( wp_cache_get( 'is_blog_installed' ) )
return true;
$suppress = $wpdb->suppress_errors();
- $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" );
- $wpdb->suppress_errors($suppress);
+ $alloptions = wp_load_alloptions();
+ // If siteurl is not set to autoload, check it specifically
+ if ( !isset( $alloptions['siteurl'] ) )
+ $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" );
+ else
+ $installed = $alloptions['siteurl'];
+ $wpdb->suppress_errors( $suppress );
- $installed = !empty( $installed ) ? true : false;
- wp_cache_set('is_blog_installed', $installed);
+ $installed = !empty( $installed );
+ wp_cache_set( 'is_blog_installed', $installed );
return $installed;
}
-
+/**
+ * Retrieve URL with nonce added to URL query.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param string $actionurl URL to add nonce action
+ * @param string $action Optional. Nonce action name
+ * @return string URL with nonce action added.
+ */
function wp_nonce_url( $actionurl, $action = -1 ) {
$actionurl = str_replace( '&', '&', $actionurl );
- return wp_specialchars( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) );
+ return esc_html( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) );
}
-
+/**
+ * Retrieve or display nonce hidden field for forms.
+ *
+ * The nonce field is used to validate that the contents of the form came from
+ * the location on the current site and not somewhere else. The nonce does not
+ * offer absolute protection, but should protect against most cases. It is very
+ * important to use nonce field in forms.
+ *
+ * If you set $echo to true and set $referer to true, then you will need to
+ * retrieve the {@link wp_referer_field() wp referer field}. If you have the
+ * $referer set to true and are echoing the nonce field, it will also echo the
+ * referer field.
+ *
+ * The $action and $name are optional, but if you want to have better security,
+ * it is strongly suggested to set those two parameters. It is easier to just
+ * call the function without any parameters, because validation of the nonce
+ * doesn't require any parameters, but since crackers know what the default is
+ * it won't be difficult for them to find a way around your nonce and cause
+ * damage.
+ *
+ * The input name will be whatever $name value you gave. The input value will be
+ * the nonce creation value.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param string $action Optional. Action name.
+ * @param string $name Optional. Nonce name.
+ * @param bool $referer Optional, default true. Whether to set the referer field for validation.
+ * @param bool $echo Optional, default true. Whether to display or return hidden form field.
+ * @return string Nonce field.
+ */
function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) {
- $name = attribute_escape( $name );
+ $name = esc_attr( $name );
$nonce_field = ' ';
if ( $echo )
echo $nonce_field;
-
+
if ( $referer )
wp_referer_field( $echo, 'previous' );
-
+
return $nonce_field;
}
-
+/**
+ * Retrieve or display referer hidden field for forms.
+ *
+ * The referer link is the current Request URI from the server super global. The
+ * input name is '_wp_http_referer', in case you wanted to check manually.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param bool $echo Whether to echo or return the referer field.
+ * @return string Referer field.
+ */
function wp_referer_field( $echo = true) {
- $ref = attribute_escape( $_SERVER['REQUEST_URI'] );
+ $ref = esc_attr( $_SERVER['REQUEST_URI'] );
$referer_field = ' ';
if ( $echo )
@@ -998,17 +1857,41 @@ function wp_referer_field( $echo = true) {
return $referer_field;
}
+/**
+ * Retrieve or display original referer hidden field for forms.
+ *
+ * The input name is '_wp_original_http_referer' and will be either the same
+ * value of {@link wp_referer_field()}, if that was posted already or it will
+ * be the current page, if it doesn't exist.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param bool $echo Whether to echo the original http referer
+ * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to.
+ * @return string Original referer field.
+ */
function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) {
$jump_back_to = ( 'previous' == $jump_back_to ) ? wp_get_referer() : $_SERVER['REQUEST_URI'];
$ref = ( wp_get_original_referer() ) ? wp_get_original_referer() : $jump_back_to;
- $orig_referer_field = ' ';
+ $orig_referer_field = ' ';
if ( $echo )
echo $orig_referer_field;
return $orig_referer_field;
}
-
+/**
+ * Retrieve referer from '_wp_http_referer', HTTP referer, or current page respectively.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @return string|bool False on failure. Referer URL on success.
+ */
function wp_get_referer() {
+ $ref = '';
if ( ! empty( $_REQUEST['_wp_http_referer'] ) )
$ref = $_REQUEST['_wp_http_referer'];
else if ( ! empty( $_SERVER['HTTP_REFERER'] ) )
@@ -1019,14 +1902,31 @@ function wp_get_referer() {
return false;
}
-
+/**
+ * Retrieve original referer that was posted, if it exists.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @return string|bool False if no original referer or original referer if set.
+ */
function wp_get_original_referer() {
if ( !empty( $_REQUEST['_wp_original_http_referer'] ) )
return $_REQUEST['_wp_original_http_referer'];
return false;
}
-
+/**
+ * Recursive directory creation based on full path.
+ *
+ * Will attempt to set permissions on folders.
+ *
+ * @since 2.0.1
+ *
+ * @param string $target Full path to attempt to create.
+ * @return bool Whether the path was created or not. True if path already exists.
+ */
function wp_mkdir_p( $target ) {
// from php.net/mkdir user contributed notes
$target = str_replace( '//', '/', $target );
@@ -1044,13 +1944,20 @@ function wp_mkdir_p( $target ) {
}
// If the above failed, attempt to create the parent node, then try again.
- if ( wp_mkdir_p( dirname( $target ) ) )
+ if ( ( $target != '/' ) && ( wp_mkdir_p( dirname( $target ) ) ) )
return wp_mkdir_p( $target );
return false;
}
-// Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows')
+/**
+ * Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows').
+ *
+ * @since 2.5.0
+ *
+ * @param string $path File path
+ * @return bool True if path is absolute, false is not absolute.
+ */
function path_is_absolute( $path ) {
// this is definitive if true but fails if $path does not exist or contains a symbolic link
if ( realpath($path) == $path )
@@ -1067,7 +1974,17 @@ function path_is_absolute( $path ) {
return (bool) preg_match('#^[/\\\\]#', $path);
}
-// Join two filesystem paths together (e.g. 'give me $path relative to $base')
+/**
+ * Join two filesystem paths together (e.g. 'give me $path relative to $base').
+ *
+ * If the $path is absolute, then it the full path is returned.
+ *
+ * @since 2.5.0
+ *
+ * @param string $base
+ * @param string $path
+ * @return string The path with the base or absolute path.
+ */
function path_join( $base, $path ) {
if ( path_is_absolute($path) )
return $path;
@@ -1075,26 +1992,66 @@ function path_join( $base, $path ) {
return rtrim($base, '/') . '/' . ltrim($path, '/');
}
-// Returns an array containing the current upload directory's path and url, or an error message.
-function wp_upload_dir( $time = NULL ) {
+/**
+ * Get an array containing the current upload directory's path and url.
+ *
+ * Checks the 'upload_path' option, which should be from the web root folder,
+ * and if it isn't empty it will be used. If it is empty, then the path will be
+ * 'WP_CONTENT_DIR/uploads'. If the 'UPLOADS' constant is defined, then it will
+ * override the 'upload_path' option and 'WP_CONTENT_DIR/uploads' path.
+ *
+ * The upload URL path is set either by the 'upload_url_path' option or by using
+ * the 'WP_CONTENT_URL' constant and appending '/uploads' to the path.
+ *
+ * If the 'uploads_use_yearmonth_folders' is set to true (checkbox if checked in
+ * the administration settings panel), then the time will be used. The format
+ * will be year first and then month.
+ *
+ * If the path couldn't be created, then an error will be returned with the key
+ * 'error' containing the error message. The error suggests that the parent
+ * directory is not writable by the server.
+ *
+ * On success, the returned array will have many indices:
+ * 'path' - base directory and sub directory or full path to upload directory.
+ * 'url' - base url and sub directory or absolute URL to upload directory.
+ * 'subdir' - sub directory if uploads use year/month folders option is on.
+ * 'basedir' - path without subdir.
+ * 'baseurl' - URL path without subdir.
+ * 'error' - set to false.
+ *
+ * @since 2.0.0
+ * @uses apply_filters() Calls 'upload_dir' on returned array.
+ *
+ * @param string $time Optional. Time formatted in 'yyyy/mm'.
+ * @return array See above for description.
+ */
+function wp_upload_dir( $time = null ) {
$siteurl = get_option( 'siteurl' );
$upload_path = get_option( 'upload_path' );
- if ( trim($upload_path) === '' )
- $upload_path = 'wp-content/uploads';
- $dir = $upload_path;
+ $upload_path = trim($upload_path);
+ if ( empty($upload_path) )
+ $dir = WP_CONTENT_DIR . '/uploads';
+ else
+ $dir = $upload_path;
// $dir is absolute, $path is (maybe) relative to ABSPATH
- $dir = path_join( ABSPATH, $upload_path );
- $path = str_replace( ABSPATH, '', trim( $upload_path ) );
+ $dir = path_join( ABSPATH, $dir );
- if ( !$url = get_option( 'upload_url_path' ) )
- $url = trailingslashit( $siteurl ) . $path;
+ if ( !$url = get_option( 'upload_url_path' ) ) {
+ if ( empty($upload_path) or ( $upload_path == $dir ) )
+ $url = WP_CONTENT_URL . '/uploads';
+ else
+ $url = trailingslashit( $siteurl ) . $upload_path;
+ }
if ( defined('UPLOADS') ) {
$dir = ABSPATH . UPLOADS;
$url = trailingslashit( $siteurl ) . UPLOADS;
}
+ $bdir = $dir;
+ $burl = $url;
+
$subdir = '';
if ( get_option( 'uploads_use_yearmonth_folders' ) ) {
// Generate the yearly and monthly dirs
@@ -1108,24 +2065,43 @@ function wp_upload_dir( $time = NULL ) {
$dir .= $subdir;
$url .= $subdir;
+ $uploads = apply_filters( 'upload_dir', array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ) );
+
// Make sure we have an uploads dir
- if ( ! wp_mkdir_p( $dir ) ) {
- $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $dir );
+ if ( ! wp_mkdir_p( $uploads['path'] ) ) {
+ $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $uploads['path'] );
return array( 'error' => $message );
}
- $uploads = array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'error' => false );
- return apply_filters( 'upload_dir', $uploads );
+ return $uploads;
}
-// return a filename that is sanitized and unique for the given directory
-function wp_unique_filename( $dir, $filename, $unique_filename_callback = NULL ) {
- $filename = strtolower( $filename );
+/**
+ * Get a filename that is sanitized and unique for the given directory.
+ *
+ * If the filename is not unique, then a number will be added to the filename
+ * before the extension, and will continue adding numbers until the filename is
+ * unique.
+ *
+ * The callback must accept two parameters, the first one is the directory and
+ * the second is the filename. The callback must be a function.
+ *
+ * @since 2.5
+ *
+ * @param string $dir
+ * @param string $filename
+ * @param string $unique_filename_callback Function name, must be a function.
+ * @return string New filename, if given wasn't unique.
+ */
+function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) {
+ // sanitize the file name before we begin processing
+ $filename = sanitize_file_name($filename);
+
// separate the filename into a name and extension
$info = pathinfo($filename);
- $ext = $info['extension'];
+ $ext = !empty($info['extension']) ? $info['extension'] : '';
$name = basename($filename, ".{$ext}");
-
+
// edge case: if file is named '.ext', treat as an empty name
if( $name === ".$ext" )
$name = '';
@@ -1136,14 +2112,8 @@ function wp_unique_filename( $dir, $filename, $unique_filename_callback = NULL )
} else {
$number = '';
- if ( empty( $ext ) )
- $ext = '';
- else
- $ext = strtolower( ".$ext" );
-
- $filename = str_replace( $ext, '', $filename );
- // Strip % so the server doesn't try to decode entities.
- $filename = str_replace('%', '', sanitize_title_with_dashes( $filename ) ) . $ext;
+ if ( !empty( $ext ) )
+ $ext = ".$ext";
while ( file_exists( $dir . "/$filename" ) ) {
if ( '' == "$number$ext" )
@@ -1156,13 +2126,36 @@ function wp_unique_filename( $dir, $filename, $unique_filename_callback = NULL )
return $filename;
}
-function wp_upload_bits( $name, $deprecated, $bits, $time = NULL ) {
+/**
+ * Create a file in the upload folder with given content.
+ *
+ * If there is an error, then the key 'error' will exist with the error message.
+ * If success, then the key 'file' will have the unique file path, the 'url' key
+ * will have the link to the new file. and the 'error' key will be set to false.
+ *
+ * This function will not move an uploaded file to the upload folder. It will
+ * create a new file with the content in $bits parameter. If you move the upload
+ * file, read the content of the uploaded file, and then you can give the
+ * filename and content to this function, which will add it to the upload
+ * folder.
+ *
+ * The permissions will be set on the new file automatically by this function.
+ *
+ * @since 2.0.0
+ *
+ * @param string $name
+ * @param null $deprecated Not used. Set to null.
+ * @param mixed $bits File content
+ * @param string $time Optional. Time formatted in 'yyyy/mm'.
+ * @return array
+ */
+function wp_upload_bits( $name, $deprecated, $bits, $time = null ) {
if ( empty( $name ) )
- return array( 'error' => __( "Empty filename" ) );
+ return array( 'error' => __( 'Empty filename' ) );
$wp_filetype = wp_check_filetype( $name );
if ( !$wp_filetype['ext'] )
- return array( 'error' => __( "Invalid file type" ) );
+ return array( 'error' => __( 'Invalid file type' ) );
$upload = wp_upload_dir( $time );
@@ -1195,13 +2188,23 @@ function wp_upload_bits( $name, $deprecated, $bits, $time = NULL ) {
return array( 'file' => $new_file, 'url' => $url, 'error' => false );
}
+/**
+ * Retrieve the file type based on the extension name.
+ *
+ * @package WordPress
+ * @since 2.5.0
+ * @uses apply_filters() Calls 'ext2type' hook on default supported types.
+ *
+ * @param string $ext The extension to search.
+ * @return string|null The file type, example: audio, video, document, spreadsheet, etc. Null if not found.
+ */
function wp_ext2type( $ext ) {
$ext2type = apply_filters('ext2type', array(
'audio' => array('aac','ac3','aif','aiff','mp1','mp2','mp3','m3a','m4a','m4b','ogg','ram','wav','wma'),
- 'video' => array('asf','avi','divx','dv','mov','mpg','mpeg','mp4','mpv','ogm','qt','rm','vob','wmv'),
- 'document' => array('doc','pages','odt','rtf','pdf'),
- 'spreadsheet' => array('xls','numbers','ods'),
- 'interactive' => array('ppt','key','odp','swf'),
+ 'video' => array('asf','avi','divx','dv','mov','mpg','mpeg','mp4','mpv','ogm','qt','rm','vob','wmv', 'm4v'),
+ 'document' => array('doc','docx','pages','odt','rtf','pdf'),
+ 'spreadsheet' => array('xls','xlsx','numbers','ods'),
+ 'interactive' => array('ppt','pptx','key','odp','swf'),
'text' => array('txt'),
'archive' => array('tar','bz2','gz','cab','dmg','rar','sea','sit','sqx','zip'),
'code' => array('css','html','php','js'),
@@ -1211,6 +2214,17 @@ function wp_ext2type( $ext ) {
return $type;
}
+/**
+ * Retrieve the file type from the file name.
+ *
+ * You can optionally define the mime array, if needed.
+ *
+ * @since 2.0.4
+ *
+ * @param string $filename File name or path.
+ * @param array $mimes Optional. Key is the file extension with value as the mime type.
+ * @return array Values with extension first and mime type.
+ */
function wp_check_filetype( $filename, $mimes = null ) {
// Accepted MIME types are set here as PCRE unless provided.
$mimes = ( is_array( $mimes ) ) ? $mimes : apply_filters( 'upload_mimes', array(
@@ -1222,13 +2236,15 @@ function wp_check_filetype( $filename, $mimes = null ) {
'ico' => 'image/x-icon',
'asf|asx|wax|wmv|wmx' => 'video/asf',
'avi' => 'video/avi',
+ 'divx' => 'video/divx',
'mov|qt' => 'video/quicktime',
- 'mpeg|mpg|mpe|mp4' => 'video/mpeg',
+ 'mpeg|mpg|mpe' => 'video/mpeg',
'txt|c|cc|h' => 'text/plain',
'rtx' => 'text/richtext',
'css' => 'text/css',
'htm|html' => 'text/html',
'mp3|m4a' => 'audio/mpeg',
+ 'mp4|m4v' => 'video/mp4',
'ra|ram' => 'audio/x-realaudio',
'wav' => 'audio/wav',
'ogg' => 'audio/ogg',
@@ -1237,10 +2253,10 @@ function wp_check_filetype( $filename, $mimes = null ) {
'rtf' => 'application/rtf',
'js' => 'application/javascript',
'pdf' => 'application/pdf',
- 'doc' => 'application/msword',
- 'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
+ 'doc|docx' => 'application/msword',
+ 'pot|pps|ppt|pptx' => 'application/vnd.ms-powerpoint',
'wri' => 'application/vnd.ms-write',
- 'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
+ 'xla|xls|xlsx|xlt|xlw' => 'application/vnd.ms-excel',
'mdb' => 'application/vnd.ms-access',
'mpp' => 'application/vnd.ms-project',
'swf' => 'application/x-shockwave-flash',
@@ -1275,84 +2291,150 @@ function wp_check_filetype( $filename, $mimes = null ) {
return compact( 'ext', 'type' );
}
+/**
+ * Retrieve nonce action "Are you sure" message.
+ *
+ * The action is split by verb and noun. The action format is as follows:
+ * verb-action_extra. The verb is before the first dash and has the format of
+ * letters and no spaces and numbers. The noun is after the dash and before the
+ * underscore, if an underscore exists. The noun is also only letters.
+ *
+ * The filter will be called for any action, which is not defined by WordPress.
+ * You may use the filter for your plugin to explain nonce actions to the user,
+ * when they get the "Are you sure?" message. The filter is in the format of
+ * 'explain_nonce_$verb-$noun' with the $verb replaced by the found verb and the
+ * $noun replaced by the found noun. The two parameters that are given to the
+ * hook are the localized "Are you sure you want to do this?" message with the
+ * extra text (the text after the underscore).
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param string $action Nonce action.
+ * @return string Are you sure message.
+ */
function wp_explain_nonce( $action ) {
if ( $action !== -1 && preg_match( '/([a-z]+)-([a-z]+)(_(.+))?/', $action, $matches ) ) {
$verb = $matches[1];
$noun = $matches[2];
$trans = array();
- $trans['update']['attachment'] = array( __( 'Your attempt to edit this attachment: "%s" has failed.' ), 'get_the_title' );
+ $trans['update']['attachment'] = array( __( 'Your attempt to edit this attachment: “%s” has failed.' ), 'get_the_title' );
$trans['add']['category'] = array( __( 'Your attempt to add this category has failed.' ), false );
- $trans['delete']['category'] = array( __( 'Your attempt to delete this category: "%s" has failed.' ), 'get_catname' );
- $trans['update']['category'] = array( __( 'Your attempt to edit this category: "%s" has failed.' ), 'get_catname' );
+ $trans['delete']['category'] = array( __( 'Your attempt to delete this category: “%s” has failed.' ), 'get_cat_name' );
+ $trans['update']['category'] = array( __( 'Your attempt to edit this category: “%s” has failed.' ), 'get_cat_name' );
- $trans['delete']['comment'] = array( __( 'Your attempt to delete this comment: "%s" has failed.' ), 'use_id' );
- $trans['unapprove']['comment'] = array( __( 'Your attempt to unapprove this comment: "%s" has failed.' ), 'use_id' );
- $trans['approve']['comment'] = array( __( 'Your attempt to approve this comment: "%s" has failed.' ), 'use_id' );
- $trans['update']['comment'] = array( __( 'Your attempt to edit this comment: "%s" has failed.' ), 'use_id' );
+ $trans['delete']['comment'] = array( __( 'Your attempt to delete this comment: “%s” has failed.' ), 'use_id' );
+ $trans['unapprove']['comment'] = array( __( 'Your attempt to unapprove this comment: “%s” has failed.' ), 'use_id' );
+ $trans['approve']['comment'] = array( __( 'Your attempt to approve this comment: “%s” has failed.' ), 'use_id' );
+ $trans['update']['comment'] = array( __( 'Your attempt to edit this comment: “%s” has failed.' ), 'use_id' );
$trans['bulk']['comments'] = array( __( 'Your attempt to bulk modify comments has failed.' ), false );
$trans['moderate']['comments'] = array( __( 'Your attempt to moderate comments has failed.' ), false );
$trans['add']['bookmark'] = array( __( 'Your attempt to add this link has failed.' ), false );
- $trans['delete']['bookmark'] = array( __( 'Your attempt to delete this link: "%s" has failed.' ), 'use_id' );
- $trans['update']['bookmark'] = array( __( 'Your attempt to edit this link: "%s" has failed.' ), 'use_id' );
+ $trans['delete']['bookmark'] = array( __( 'Your attempt to delete this link: “%s” has failed.' ), 'use_id' );
+ $trans['update']['bookmark'] = array( __( 'Your attempt to edit this link: “%s” has failed.' ), 'use_id' );
$trans['bulk']['bookmarks'] = array( __( 'Your attempt to bulk modify links has failed.' ), false );
$trans['add']['page'] = array( __( 'Your attempt to add this page has failed.' ), false );
- $trans['delete']['page'] = array( __( 'Your attempt to delete this page: "%s" has failed.' ), 'get_the_title' );
- $trans['update']['page'] = array( __( 'Your attempt to edit this page: "%s" has failed.' ), 'get_the_title' );
+ $trans['delete']['page'] = array( __( 'Your attempt to delete this page: “%s” has failed.' ), 'get_the_title' );
+ $trans['update']['page'] = array( __( 'Your attempt to edit this page: “%s” has failed.' ), 'get_the_title' );
- $trans['edit']['plugin'] = array( __( 'Your attempt to edit this plugin file: "%s" has failed.' ), 'use_id' );
- $trans['activate']['plugin'] = array( __( 'Your attempt to activate this plugin: "%s" has failed.' ), 'use_id' );
- $trans['deactivate']['plugin'] = array( __( 'Your attempt to deactivate this plugin: "%s" has failed.' ), 'use_id' );
- $trans['upgrade']['plugin'] = array( __( 'Your attempt to upgrade this plugin: "%s" has failed.' ), 'use_id' );
+ $trans['edit']['plugin'] = array( __( 'Your attempt to edit this plugin file: “%s” has failed.' ), 'use_id' );
+ $trans['activate']['plugin'] = array( __( 'Your attempt to activate this plugin: “%s” has failed.' ), 'use_id' );
+ $trans['deactivate']['plugin'] = array( __( 'Your attempt to deactivate this plugin: “%s” has failed.' ), 'use_id' );
+ $trans['upgrade']['plugin'] = array( __( 'Your attempt to upgrade this plugin: “%s” has failed.' ), 'use_id' );
$trans['add']['post'] = array( __( 'Your attempt to add this post has failed.' ), false );
- $trans['delete']['post'] = array( __( 'Your attempt to delete this post: "%s" has failed.' ), 'get_the_title' );
- $trans['update']['post'] = array( __( 'Your attempt to edit this post: "%s" has failed.' ), 'get_the_title' );
+ $trans['delete']['post'] = array( __( 'Your attempt to delete this post: “%s” has failed.' ), 'get_the_title' );
+ $trans['update']['post'] = array( __( 'Your attempt to edit this post: “%s” has failed.' ), 'get_the_title' );
$trans['add']['user'] = array( __( 'Your attempt to add this user has failed.' ), false );
$trans['delete']['users'] = array( __( 'Your attempt to delete users has failed.' ), false );
$trans['bulk']['users'] = array( __( 'Your attempt to bulk modify users has failed.' ), false );
- $trans['update']['user'] = array( __( 'Your attempt to edit this user: "%s" has failed.' ), 'get_author_name' );
- $trans['update']['profile'] = array( __( 'Your attempt to modify the profile for: "%s" has failed.' ), 'get_author_name' );
+ $trans['update']['user'] = array( __( 'Your attempt to edit this user: “%s” has failed.' ), 'get_the_author_meta', 'display_name' );
+ $trans['update']['profile'] = array( __( 'Your attempt to modify the profile for: “%s” has failed.' ), 'get_the_author_meta', 'display_name' );
$trans['update']['options'] = array( __( 'Your attempt to edit your settings has failed.' ), false );
$trans['update']['permalink'] = array( __( 'Your attempt to change your permalink structure to: %s has failed.' ), 'use_id' );
- $trans['edit']['file'] = array( __( 'Your attempt to edit this file: "%s" has failed.' ), 'use_id' );
- $trans['edit']['theme'] = array( __( 'Your attempt to edit this theme file: "%s" has failed.' ), 'use_id' );
- $trans['switch']['theme'] = array( __( 'Your attempt to switch to this theme: "%s" has failed.' ), 'use_id' );
+ $trans['edit']['file'] = array( __( 'Your attempt to edit this file: “%s” has failed.' ), 'use_id' );
+ $trans['edit']['theme'] = array( __( 'Your attempt to edit this theme file: “%s” has failed.' ), 'use_id' );
+ $trans['switch']['theme'] = array( __( 'Your attempt to switch to this theme: “%s” has failed.' ), 'use_id' );
+
+ $trans['log']['out'] = array( sprintf( __( 'You are attempting to log out of %s' ), get_bloginfo( 'sitename' ) ), false );
if ( isset( $trans[$verb][$noun] ) ) {
if ( !empty( $trans[$verb][$noun][1] ) ) {
$lookup = $trans[$verb][$noun][1];
+ if ( isset($trans[$verb][$noun][2]) )
+ $lookup_value = $trans[$verb][$noun][2];
$object = $matches[4];
- if ( 'use_id' != $lookup )
- $object = call_user_func( $lookup, $object );
- return sprintf( $trans[$verb][$noun][0], wp_specialchars($object) );
+ if ( 'use_id' != $lookup ) {
+ if ( isset( $lookup_value ) )
+ $object = call_user_func( $lookup, $lookup_value, $object );
+ else
+ $object = call_user_func( $lookup, $object );
+ }
+ return sprintf( $trans[$verb][$noun][0], esc_html($object) );
} else {
return $trans[$verb][$noun][0];
}
}
- }
- return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __( 'Are you sure you want to do this?' ), $matches[4] );
+ return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __( 'Are you sure you want to do this?' ), $matches[4] );
+ } else {
+ return apply_filters( 'explain_nonce_' . $action, __( 'Are you sure you want to do this?' ) );
+ }
}
-
+/**
+ * Display "Are You Sure" message to confirm the action being taken.
+ *
+ * If the action has the nonce explain message, then it will be displayed along
+ * with the "Are you sure?" message.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param string $action The nonce action.
+ */
function wp_nonce_ays( $action ) {
$title = __( 'WordPress Failure Notice' );
- $html = wp_specialchars( wp_explain_nonce( $action ) ) . '
';
+ $html = esc_html( wp_explain_nonce( $action ) );
if ( wp_get_referer() )
- $html .= "" . __( 'Please try again.' ) . " ";
+ $html .= "
" . __( 'Please try again.' ) . " ";
+ elseif ( 'log-out' == $action )
+ $html .= "
" . sprintf( __( "Do you really want to log out ?"), wp_logout_url() );
+
wp_die( $html, $title);
}
-
-function wp_die( $message, $title = '' ) {
+/**
+ * Kill WordPress execution and display HTML message with error message.
+ *
+ * Call this function complements the die() PHP function. The difference is that
+ * HTML will be displayed to the user. It is recommended to use this function
+ * only, when the execution should not continue any further. It is not
+ * recommended to call this function very often and try to handle as many errors
+ * as possible siliently.
+ *
+ * @since 2.0.4
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguements to control behaviour.
+ */
+function wp_die( $message, $title = '', $args = array() ) {
global $wp_locale;
+ $defaults = array( 'response' => 500 );
+ $r = wp_parse_args($args, $defaults);
+
+ $have_gettext = function_exists('__');
+
if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) {
if ( empty( $title ) ) {
$error_data = $message->get_error_data();
@@ -1375,6 +2457,11 @@ function wp_die( $message, $title = '' ) {
$message = "
$message
";
}
+ if ( isset( $r['back_link'] ) && $r['back_link'] ) {
+ $back_text = $have_gettext? __('« Back') : '« Back';
+ $message .= "\n$back_text
";
+ }
+
if ( defined( 'WP_SITEURL' ) && '' != WP_SITEURL )
$admin_dir = WP_SITEURL . '/wp-admin/';
elseif ( function_exists( 'get_bloginfo' ) && '' != get_bloginfo( 'wpurl' ) )
@@ -1386,18 +2473,18 @@ function wp_die( $message, $title = '' ) {
if ( !function_exists( 'did_action' ) || !did_action( 'admin_head' ) ) :
if( !headers_sent() ){
- status_header( 500 );
+ status_header( $r['response'] );
nocache_headers();
header( 'Content-Type: text/html; charset=utf-8' );
}
if ( empty($title) ) {
- if ( function_exists( '__' ) )
- $title = __( 'WordPress › Error' );
- else
- $title = 'WordPress › Error';
+ $title = $have_gettext? __('WordPress › Error') : 'WordPress › Error';
}
+ $text_direction = 'ltr';
+ if ( isset($r['text_direction']) && $r['text_direction'] == 'rtl' ) $text_direction = 'rtl';
+ if ( ( $wp_locale ) && ( 'rtl' == $wp_locale->text_direction ) ) $text_direction = 'rtl';
?>
>
@@ -1406,7 +2493,7 @@ function wp_die( $message, $title = '' ) {
text_direction ) ) : ?>
+if ( 'rtl' == $text_direction ) : ?>
@@ -1414,26 +2501,69 @@ if ( ( $wp_locale ) && ( 'rtl' == $wp_locale->text_direction ) ) : ?>