* @return string Date formated by $dateformatstring or locale (if available).
*/
function mysql2date( $dateformatstring, $mysqlstring, $translate = true ) {
- global $wp_locale;
$m = $mysqlstring;
if ( empty( $m ) )
return false;
- if( 'G' == $dateformatstring ) {
+ if ( 'G' == $dateformatstring ) {
return strtotime( $m . ' +0000' );
}
$i = strtotime( $m );
- if( 'U' == $dateformatstring )
+ if ( 'U' == $dateformatstring )
return $i;
if ( $translate)
}
/**
- * Convert number to format based on the locale.
+ * Convert integer number to format based on the locale.
*
* @since 2.3.0
*
- * @param mixed $number The number to convert based on locale.
+ * @param int $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 ) {
+function number_format_i18n( $number, $decimals = 0 ) {
global $wp_locale;
- // let the user override the precision only
- $decimals = ( is_null( $decimals ) ) ? $wp_locale->number_format['decimals'] : intval( $decimals );
-
- $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 );
+ $formatted = number_format( $number, absint( $decimals ), $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] );
+ return apply_filters( 'number_format_i18n', $formatted );
}
/**
* @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.
+ * @param int $decimals Precision of number of decimal places. Deprecated.
* @return bool|string False on failure. Number string on success.
*/
-function size_format( $bytes, $decimals = null ) {
+function size_format( $bytes, $decimals = 0 ) {
$quant = array(
// ========================= Origin ====
'TB' => 1099511627776, // pow( 1024, 4)
'kB' => 1024, // pow( 1024, 1)
'B ' => 1, // pow( 1024, 0)
);
-
foreach ( $quant as $unit => $mag )
if ( doubleval($bytes) >= $mag )
return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit;
$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) )
+ if ( !is_numeric($start_of_week) )
$start_of_week = get_option( 'start_of_week' );
if ( $weekday < $start_of_week )
- $weekday = 7 - $start_of_week - $weekday;
+ $weekday += 7;
- while ( $weekday > $start_of_week ) {
- $weekday = date( 'w', $day );
- if ( $weekday < $start_of_week )
- $weekday = 7 - $start_of_week - $weekday;
-
- $day -= 86400;
- $i = 0;
- }
- $week['start'] = $day + 86400 - $i;
- $week['end'] = $week['start'] + 604799;
- return $week;
+ $start = $day - 86400 * ( $weekday - $start_of_week ); // The most recent week start day on or before $day
+ $end = $start + 604799; // $start + 7 days - 1 second
+ return compact( 'start', 'end' );
}
/**
}
/**
- * Retrieve option value based on setting name.
+ * Retrieve option value based on name of option.
*
* If the option does not exist or does not have a value, then the return value
* will be false. This is useful to check whether you need to install an option
* and is commonly used during installation of plugin options and to test
* whether upgrading is required.
*
- * You can "short-circuit" the retrieval of the option from the database for
- * your plugin or core options that aren't protected. You can do so by hooking
- * into the 'pre_option_$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 $option being
- * replaced with the option name. This gives the value as the only parameter.
- *
- * If the option was serialized, when the option was added and, or updated, then
- * it will be unserialized, when it is returned.
+ * If the option was serialized then it will be unserialized when it is returned.
*
* @since 1.5.0
* @package WordPress
* @subpackage Option
- * @uses apply_filters() Calls 'pre_option_$optionname' false to allow
- * overwriting the option value in a plugin.
- * @uses apply_filters() Calls 'option_$optionname' with the option name value.
- *
- * @param string $setting Name of option to retrieve. Should already be SQL-escaped
+ * @uses apply_filters() Calls 'pre_option_$option' before checking the option.
+ * Any value other than false will "short-circuit" the retrieval of the option
+ * and return the returned value. You should not try to override special options,
+ * but you will not be prevented from doing so.
+ * @uses apply_filters() Calls 'option_$option', after checking the option, with
+ * the option value.
+ *
+ * @param string $option Name of option to retrieve. Expected to not be SQL-escaped.
* @return mixed Value set for the option.
*/
-function get_option( $setting, $default = false ) {
+function get_option( $option, $default = false ) {
global $wpdb;
// Allow plugins to short-circuit options.
- $pre = apply_filters( 'pre_option_' . $setting, false );
+ $pre = apply_filters( 'pre_option_' . $option, false );
if ( false !== $pre )
return $pre;
- // prevent non-existent options from triggering multiple queries
- $notoptions = wp_cache_get( 'notoptions', 'options' );
- if ( isset( $notoptions[$setting] ) )
- return $default;
+ $option = trim($option);
+ if ( empty($option) )
+ return false;
+
+ if ( defined( 'WP_SETUP_CONFIG' ) )
+ return false;
- $alloptions = wp_load_alloptions();
+ if ( ! defined( 'WP_INSTALLING' ) ) {
+ // prevent non-existent options from triggering multiple queries
+ $notoptions = wp_cache_get( 'notoptions', 'options' );
+ if ( isset( $notoptions[$option] ) )
+ return $default;
- if ( isset( $alloptions[$setting] ) ) {
- $value = $alloptions[$setting];
- } else {
- $value = wp_cache_get( $setting, 'options' );
-
- if ( false === $value ) {
- if ( defined( 'WP_INSTALLING' ) )
- $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' ) )
- $wpdb->suppress_errors($suppress);
-
- if ( is_object( $row) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values
- $value = $row->option_value;
- wp_cache_add( $setting, $value, 'options' );
- } else { // option does not exist, so we must cache its non-existence
- $notoptions[$setting] = true;
- wp_cache_set( 'notoptions', $notoptions, 'options' );
- return $default;
+ $alloptions = wp_load_alloptions();
+
+ if ( isset( $alloptions[$option] ) ) {
+ $value = $alloptions[$option];
+ } else {
+ $value = wp_cache_get( $option, 'options' );
+
+ if ( false === $value ) {
+ $row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", $option ) );
+
+ // Has to be get_row instead of get_var because of funkiness with 0, false, null values
+ if ( is_object( $row ) ) {
+ $value = $row->option_value;
+ wp_cache_add( $option, $value, 'options' );
+ } else { // option does not exist, so we must cache its non-existence
+ $notoptions[$option] = true;
+ wp_cache_set( 'notoptions', $notoptions, 'options' );
+ return $default;
+ }
}
}
+ } else {
+ $suppress = $wpdb->suppress_errors();
+ $row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", $option ) );
+ $wpdb->suppress_errors( $suppress );
+ if ( is_object( $row ) )
+ $value = $row->option_value;
+ else
+ return $default;
}
// If home is not set use siteurl.
- if ( 'home' == $setting && '' == $value )
+ if ( 'home' == $option && '' == $value )
return get_option( 'siteurl' );
- if ( in_array( $setting, array('siteurl', 'home', 'category_base', 'tag_base') ) )
+ if ( in_array( $option, array('siteurl', 'home', 'category_base', 'tag_base') ) )
$value = untrailingslashit( $value );
- return apply_filters( 'option_' . $setting, maybe_unserialize( $value ) );
+ return apply_filters( 'option_' . $option, maybe_unserialize( $value ) );
}
/**
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' ), esc_html( $option ) ) );
+ wp_die( sprintf( __( '%s is a protected WP option and may not be modified' ), esc_html( $option ) ) );
}
/**
* @param string $option Option name.
*/
function form_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;
- $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 ( (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', '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 );
- }
- return apply_filters( 'all_options', $all_options );
+ echo esc_attr( get_option( $option ) );
}
/**
* 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.
+ * @return array List of all options.
*/
function wp_load_alloptions() {
global $wpdb;
- $alloptions = wp_cache_get( 'alloptions', 'options' );
+ if ( !defined( 'WP_INSTALLING' ) || !is_multisite() )
+ $alloptions = wp_cache_get( 'alloptions', 'options' );
+ else
+ $alloptions = false;
if ( !$alloptions ) {
$suppress = $wpdb->suppress_errors();
$alloptions = array();
foreach ( (array) $alloptions_db as $o )
$alloptions[$o->option_name] = $o->option_value;
- wp_cache_add( 'alloptions', $alloptions, 'options' );
+ if ( !defined( 'WP_INSTALLING' ) || !is_multisite() )
+ wp_cache_add( 'alloptions', $alloptions, 'options' );
}
+
return $alloptions;
}
+/**
+ * Loads and caches certain often requested site options if is_multisite() and a peristent cache is not being used.
+ *
+ * @since 3.0.0
+ * @package WordPress
+ * @subpackage Option
+ *
+ * @param int $site_id Optional site ID for which to query the options. Defaults to the current site.
+ */
+function wp_load_core_site_options( $site_id = null ) {
+ global $wpdb, $_wp_using_ext_object_cache;
+
+ if ( !is_multisite() || $_wp_using_ext_object_cache || defined( 'WP_INSTALLING' ) )
+ return;
+
+ if ( empty($site_id) )
+ $site_id = $wpdb->siteid;
+
+ $core_options = array('site_name', 'siteurl', 'active_sitewide_plugins', '_site_transient_timeout_theme_roots', '_site_transient_theme_roots', 'site_admins', 'dashboard_blog', 'can_compress_scripts', 'global_terms_enabled' );
+
+ $core_options_in = "'" . implode("', '", $core_options) . "'";
+ $options = $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value FROM $wpdb->sitemeta WHERE meta_key IN ($core_options_in) AND site_id = %d", $site_id) );
+
+ foreach ( $options as $option ) {
+ $key = $option->meta_key;
+ $cache_key = "{$site_id}:$key";
+ $option->meta_value = maybe_unserialize( $option->meta_value );
+
+ wp_cache_set( $cache_key, $option->meta_value, 'site-options' );
+ }
+}
+
/**
* Update the value of an option that was already added.
*
- * You do not need to serialize values, if the value needs to be serialize, then
+ * You do not need to serialize values. If the value needs to be serialized, then
* it will be serialized before it is inserted into the database. Remember,
* resources can not be serialized or added as an option.
*
* If the option does not exist, then the option will be added with the option
* value, but you will not be able to set whether it is autoloaded. If you want
- * to set whether an option autoloaded, then you need to use the add_option().
- *
- * Before the option is updated, then the filter named
- * 'pre_update_option_$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.
+ * to set whether an option is autoloaded, then you need to use the add_option().
*
* @since 1.0.0
* @package WordPress
* @subpackage Option
*
- * @param string $option_name Option name. Expected to not be SQL-escaped
- * @param mixed $newvalue Option value.
+ * @uses apply_filters() Calls 'pre_update_option_$option' hook to allow overwriting the
+ * option value to be stored.
+ * @uses do_action() Calls 'update_option' hook before updating the option.
+ * @uses do_action() Calls 'update_option_$option' and 'updated_option' hooks on success.
+ *
+ * @param string $option Option name. Expected to not be SQL-escaped.
+ * @param mixed $newvalue Option value. Expected to not be SQL-escaped.
* @return bool False if value was not updated and true if value was updated.
*/
-function update_option( $option_name, $newvalue ) {
+function update_option( $option, $newvalue ) {
global $wpdb;
- wp_protect_special_option( $option_name );
+ $option = trim($option);
+ if ( empty($option) )
+ return false;
- $safe_option_name = $wpdb->escape( $option_name );
- $newvalue = sanitize_option( $option_name, $newvalue );
+ wp_protect_special_option( $option );
- $oldvalue = get_option( $safe_option_name );
+ if ( is_object($newvalue) )
+ $newvalue = wp_clone($newvalue);
- $newvalue = apply_filters( 'pre_update_option_' . $option_name, $newvalue, $oldvalue );
+ $newvalue = sanitize_option( $option, $newvalue );
+ $oldvalue = get_option( $option );
+ $newvalue = apply_filters( 'pre_update_option_' . $option, $newvalue, $oldvalue );
// If the new and old values are the same, no need to update.
if ( $newvalue === $oldvalue )
return false;
- if ( false === $oldvalue ) {
- add_option( $option_name, $newvalue );
- return true;
- }
+ if ( false === $oldvalue )
+ return add_option( $option, $newvalue );
$notoptions = wp_cache_get( 'notoptions', 'options' );
- if ( is_array( $notoptions ) && isset( $notoptions[$option_name] ) ) {
- unset( $notoptions[$option_name] );
+ if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) {
+ unset( $notoptions[$option] );
wp_cache_set( 'notoptions', $notoptions, 'options' );
}
$_newvalue = $newvalue;
$newvalue = maybe_serialize( $newvalue );
- $alloptions = wp_load_alloptions();
- if ( isset( $alloptions[$option_name] ) ) {
- $alloptions[$option_name] = $newvalue;
- wp_cache_set( 'alloptions', $alloptions, 'options' );
- } else {
- wp_cache_set( $option_name, $newvalue, 'options' );
+ do_action( 'update_option', $option, $oldvalue, $_newvalue );
+ if ( ! defined( 'WP_INSTALLING' ) ) {
+ $alloptions = wp_load_alloptions();
+ if ( isset( $alloptions[$option] ) ) {
+ $alloptions[$option] = $_newvalue;
+ wp_cache_set( 'alloptions', $alloptions, 'options' );
+ } else {
+ wp_cache_set( $option, $_newvalue, 'options' );
+ }
}
- $wpdb->update($wpdb->options, array('option_value' => $newvalue), array('option_name' => $option_name) );
+ $result = $wpdb->update( $wpdb->options, array( 'option_value' => $newvalue ), array( 'option_name' => $option ) );
- if ( $wpdb->rows_affected == 1 ) {
- do_action( "update_option_{$option_name}", $oldvalue, $_newvalue );
+ if ( $result ) {
+ do_action( "update_option_{$option}", $oldvalue, $_newvalue );
+ do_action( 'updated_option', $option, $oldvalue, $_newvalue );
return true;
}
return false;
/**
* Add a new option.
*
- * You do not need to serialize values, if the value needs to be serialize, then
+ * You do not need to serialize values. If the value needs to be serialized, then
* it will be serialized before it is inserted into the database. Remember,
* resources can not be serialized or added as an option.
*
* You can create options without values and then add values later. Does not
* check whether the option has already been added, but does check that you
* aren't adding a protected WordPress option. Care should be taken to not name
- * options, the same as the ones which are protected and to not add options
+ * options the same as the ones which are protected and to not add options
* that were already added.
*
- * The filter named 'add_option_$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 $value Optional. Option value, can be anything.
+ * @uses do_action() Calls 'add_option' hook before adding the option.
+ * @uses do_action() Calls 'add_option_$option' and 'added_option' hooks on success.
+ *
+ * @param string $option Name of option to add. Expected to not be SQL-escaped.
+ * @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped.
* @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' ) {
+function add_option( $option, $value = '', $deprecated = '', $autoload = 'yes' ) {
global $wpdb;
- wp_protect_special_option( $name );
- $safe_name = $wpdb->escape( $name );
- $value = sanitize_option( $name, $value );
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.3' );
+
+ $option = trim($option);
+ if ( empty($option) )
+ return false;
+
+ wp_protect_special_option( $option );
+
+ if ( is_object($value) )
+ $value = wp_clone($value);
+
+ $value = sanitize_option( $option, $value );
// Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query
$notoptions = wp_cache_get( 'notoptions', 'options' );
- if ( !is_array( $notoptions ) || !isset( $notoptions[$name] ) )
- if ( false !== get_option( $safe_name ) )
+ if ( !is_array( $notoptions ) || !isset( $notoptions[$option] ) )
+ if ( false !== get_option( $option ) )
return;
+ $_value = $value;
$value = maybe_serialize( $value );
$autoload = ( 'no' === $autoload ) ? 'no' : 'yes';
-
- if ( 'yes' == $autoload ) {
- $alloptions = wp_load_alloptions();
- $alloptions[$name] = $value;
- wp_cache_set( 'alloptions', $alloptions, 'options' );
- } else {
- wp_cache_set( $name, $value, 'options' );
+ do_action( 'add_option', $option, $_value );
+ if ( ! defined( 'WP_INSTALLING' ) ) {
+ if ( 'yes' == $autoload ) {
+ $alloptions = wp_load_alloptions();
+ $alloptions[$option] = $value;
+ wp_cache_set( 'alloptions', $alloptions, 'options' );
+ } else {
+ wp_cache_set( $option, $value, 'options' );
+ }
}
// This option exists now
$notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh
- if ( is_array( $notoptions ) && isset( $notoptions[$name] ) ) {
- unset( $notoptions[$name] );
+ if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) {
+ unset( $notoptions[$option] );
wp_cache_set( 'notoptions', $notoptions, 'options' );
}
- $wpdb->insert($wpdb->options, array('option_name' => $name, 'option_value' => $value, 'autoload' => $autoload) );
+ $result = $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)", $option, $value, $autoload ) );
- do_action( "add_option_{$name}", $name, $value );
- return;
+ if ( $result ) {
+ do_action( "add_option_{$option}", $option, $_value );
+ do_action( 'added_option', $option, $_value );
+ return true;
+ }
+ return false;
}
/**
- * Removes option by name and prevents removal of protected WordPress options.
+ * Removes option by name. Prevents removal of protected WordPress options.
*
* @package WordPress
* @subpackage Option
* @since 1.2.0
*
- * @param string $name Option name to remove.
- * @return bool True, if succeed. False, if failure.
+ * @uses do_action() Calls 'delete_option' hook before option is deleted.
+ * @uses do_action() Calls 'deleted_option' and 'delete_option_$option' hooks on success.
+ *
+ * @param string $option Name of option to remove. Expected to not be SQL-escaped.
+ * @return bool True, if option is successfully deleted. False on failure.
*/
-function delete_option( $name ) {
+function delete_option( $option ) {
global $wpdb;
- wp_protect_special_option( $name );
+ wp_protect_special_option( $option );
// Get the ID, if no ID then return
- // expected_slashed ($name)
- $option = $wpdb->get_row( "SELECT option_id, autoload FROM $wpdb->options WHERE option_name = '$name'" );
- if ( is_null($option) || !$option->option_id )
+ $row = $wpdb->get_row( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $option ) );
+ if ( is_null( $row ) )
return false;
- // expected_slashed ($name)
- $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name = '$name'" );
- if ( 'yes' == $option->autoload ) {
- $alloptions = wp_load_alloptions();
- if ( isset( $alloptions[$name] ) ) {
- unset( $alloptions[$name] );
- wp_cache_set( 'alloptions', $alloptions, 'options' );
+ do_action( 'delete_option', $option );
+ $result = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->options WHERE option_name = %s", $option) );
+ if ( ! defined( 'WP_INSTALLING' ) ) {
+ if ( 'yes' == $row->autoload ) {
+ $alloptions = wp_load_alloptions();
+ if ( is_array( $alloptions ) && isset( $alloptions[$option] ) ) {
+ unset( $alloptions[$option] );
+ wp_cache_set( 'alloptions', $alloptions, 'options' );
+ }
+ } else {
+ wp_cache_delete( $option, 'options' );
}
- } else {
- wp_cache_delete( $name, 'options' );
}
- return true;
+ if ( $result ) {
+ do_action( "delete_option_$option", $option );
+ do_action( 'deleted_option', $option );
+ return true;
+ }
+ return false;
}
/**
* @package WordPress
* @subpackage Transient
*
- * @param string $transient Transient name. Expected to not be SQL-escaped
+ * @uses do_action() Calls 'delete_transient_$transient' hook before transient is deleted.
+ * @uses do_action() Calls 'deleted_transient' hook on success.
+ *
+ * @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;
+function delete_transient( $transient ) {
+ global $_wp_using_ext_object_cache;
+
+ do_action( 'delete_transient_' . $transient, $transient );
if ( $_wp_using_ext_object_cache ) {
- return wp_cache_delete($transient, 'transient');
+ $result = wp_cache_delete( $transient, 'transient' );
} else {
- $transient = '_transient_' . $wpdb->escape($transient);
- return delete_option($transient);
+ $option_timeout = '_transient_timeout_' . $transient;
+ $option = '_transient_' . $transient;
+ $result = delete_option( $option );
+ if ( $result )
+ delete_option( $option_timeout );
}
+
+ if ( $result )
+ do_action( 'deleted_transient', $transient );
+ return $result;
}
/**
* If the transient does not exist or does not have a value, then the return value
* will be false.
*
+ * @uses apply_filters() Calls 'pre_transient_$transient' hook before checking the transient.
+ * Any value other than false will "short-circuit" the retrieval of the transient
+ * and return the returned value.
+ * @uses apply_filters() Calls 'transient_$option' hook, after checking the transient, with
+ * the transient value.
+ *
* @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;
+function get_transient( $transient ) {
+ global $_wp_using_ext_object_cache;
$pre = apply_filters( 'pre_transient_' . $transient, false );
if ( false !== $pre )
return $pre;
if ( $_wp_using_ext_object_cache ) {
- $value = wp_cache_get($transient, 'transient');
+ $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;
+ $transient_option = '_transient_' . $transient;
+ if ( ! defined( 'WP_INSTALLING' ) ) {
+ // 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_' . $transient;
+ if ( get_option( $transient_timeout ) < time() ) {
+ delete_option( $transient_option );
+ delete_option( $transient_timeout );
+ return false;
+ }
}
}
- $value = get_option($transient_option);
+ $value = get_option( $transient_option );
}
- return apply_filters('transient_' . $transient, $value);
+ 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
+ * You do not need to serialize values. If the value needs to be serialized, 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 $value Transient value.
+ * @uses apply_filters() Calls 'pre_set_transient_$transient' hook to allow overwriting the
+ * transient value to be stored.
+ * @uses do_action() Calls 'set_transient_$transient' and 'setted_transient' hooks on success.
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @param mixed $value Transient value. Expected to not be SQL-escaped.
* @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;
+function set_transient( $transient, $value, $expiration = 0 ) {
+ global $_wp_using_ext_object_cache;
+
+ $value = apply_filters( 'pre_set_transient_' . $transient, $value );
if ( $_wp_using_ext_object_cache ) {
- return wp_cache_set($transient, $value, 'transient', $expiration);
+ $result = 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 ) ) {
+ if ( false === get_option( $transient ) ) {
$autoload = 'yes';
- if ( 0 != $expiration ) {
+ if ( $expiration ) {
$autoload = 'no';
- add_option($transient_timeout, time() + $expiration, '', 'no');
+ add_option( $transient_timeout, time() + $expiration, '', 'no' );
}
- return add_option($transient, $value, '', $autoload);
+ $result = add_option( $transient, $value, '', $autoload );
} else {
- if ( 0 != $expiration )
- update_option($transient_timeout, time() + $expiration);
- return update_option($transient, $value);
+ if ( $expiration )
+ update_option( $transient_timeout, time() + $expiration );
+ $result = update_option( $transient, $value );
}
}
+ if ( $result ) {
+ do_action( 'set_transient_' . $transient );
+ do_action( 'setted_transient', $transient );
+ }
+ return $result;
}
/**
if ( ! $user = wp_get_current_user() )
return;
- $settings = get_user_option( 'user-settings', $user->ID, false );
+ $settings = get_user_option( 'user-settings', $user->ID );
if ( isset( $_COOKIE['wp-settings-' . $user->ID] ) ) {
$cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] );
if ( $cookie == $settings )
return;
- $last_time = (int) get_user_option( 'user-settings-time', $user->ID, false );
+ $last_time = (int) get_user_option( 'user-settings-time', $user->ID );
$saved = isset( $_COOKIE['wp-settings-time-' . $user->ID]) ? preg_replace( '/[^0-9]/', '', $_COOKIE['wp-settings-time-' . $user->ID] ) : 0;
if ( $saved > $last_time ) {
* @subpackage Option
* @since 2.8.0
*
+ * @param unknown $all
+ * @return bool
*/
function wp_set_all_user_settings($all) {
global $_updated_user_settings;
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(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
- $links_summary = "\n";
- for ( $i=0; $i<count($matches[0]); $i++ ) {
- $link_match = $matches[0][$i];
- $link_number = '['.($i+1).']';
- $link_url = $matches[2][$i];
- $link_text = $matches[4][$i];
- $content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
- $link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) != 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) != 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
- $links_summary .= "\n" . $link_number . ' ' . $link_url;
- }
- $content = strip_tags( $content );
- $content .= $links_summary;
- return $content;
-}
-
/**
* Retrieve post title from XMLRPC XML.
*
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 . '%') );
+ $mid = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $link_test . '%') );
+ do_action( 'delete_postmeta', $mid );
+ $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE meta_id IN(%s)", implode( ',', $mid ) ) );
+ do_action( 'deleted_postmeta', $mid );
}
}
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 );
+ $test = @parse_url( $link_test );
+ if ( false === $test )
+ continue;
if ( isset( $test['query'] ) )
$post_links[] = $link_test;
elseif ( $test['path'] != '/' && $test['path'] != '' )
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 = $headers['content-type'];
$allowed_types = array( 'video', 'audio' );
+
+ // Check to see if we can figure out the mime type from
+ // the extension
+ $url_parts = @parse_url( $url );
+ if ( false !== $url_parts ) {
+ $extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION );
+ if ( !empty( $extension ) ) {
+ foreach ( get_allowed_mime_types( ) as $exts => $mime ) {
+ if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) {
+ $type = $mime;
+ break;
+ }
+ }
+ }
+ }
+
if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) {
$meta_value = "$url\n$len\n$type\n";
$wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) );
+ do_action( 'added_postmeta', $wpdb->insert_id, $post_ID, 'enclosure', $meta_value );
}
}
}
*
* @param string $url URL to fetch.
* @param string|bool $file_path Optional. File path to write request to.
- * @param bool $deprecated Deprecated. Not used.
+ * @param int $red (private) The number of Redirects followed, Upon 5 being hit, returns false.
* @return bool|string False on failure and string of headers if HEAD request.
*/
-function wp_get_http( $url, $file_path = false, $deprecated = false ) {
+function wp_get_http( $url, $file_path = false, $red = 1 ) {
@set_time_limit( 60 );
+ if ( $red > 5 )
+ return false;
+
$options = array();
$options['redirection'] = 5;
$headers = wp_remote_retrieve_headers( $response );
$headers['response'] = $response['response']['code'];
+ // WP_HTTP no longer follows redirects for HEAD requests.
+ if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
+ return wp_get_http( $headers['location'], $file_path, ++$red );
+ }
+
if ( false == $file_path )
return $headers;
fwrite( $out_fp, $response['body']);
fclose($out_fp);
+ clearstatcache();
return $headers;
}
* @return bool|string False on failure, headers on success.
*/
function wp_get_http_headers( $url, $deprecated = false ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.7' );
+
$response = wp_remote_head( $url );
if ( is_wp_error( $response ) )
/**
* 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) $array as $k => $v ) {
if ( is_array( $v ) ) {
$array[$k] = add_magic_quotes( $v );
} else {
- $array[$k] = $wpdb->escape( $v );
+ $array[$k] = addslashes( $v );
}
}
return $array;
}
/**
- * Setup the WordPress query.
+ * Set up the WordPress query.
*
* @since 2.0.0
*
global $wp, $wp_query, $wp_the_query;
$wp->main( $query_vars );
- if( !isset($wp_the_query) )
+ if ( !isset($wp_the_query) )
$wp_the_query = $wp_query;
}
* parameters.
*
* @param int $header HTTP status code
- * @return null Does not return anything.
+ * @return unknown
*/
function status_header( $header ) {
$text = get_status_header_desc( $header );
$hook = 'do_feed_' . $feed;
if ( !has_action($hook) ) {
- $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), esc_html($feed));
- wp_die($message);
+ $message = sprintf( __( 'ERROR: %s is not a valid feed template.' ), esc_html($feed));
+ wp_die( $message, '', array( 'response' => 404 ) );
}
do_action( $hook, $wp_query->is_comment_feed );
do_action( 'do_robotstxt' );
- if ( '0' == get_option( 'blog_public' ) ) {
- echo "User-agent: *\n";
- echo "Disallow: /\n";
+ $output = '';
+ $public = get_option( 'blog_public' );
+ if ( '0' == $public ) {
+ $output .= "User-agent: *\n";
+ $output .= "Disallow: /\n";
} else {
- echo "User-agent: *\n";
- echo "Disallow:\n";
+ $output .= "User-agent: *\n";
+ $output .= "Disallow:\n";
}
+
+ echo apply_filters('robots_txt', $output, $public);
}
/**
return true;
$suppress = $wpdb->suppress_errors();
- $alloptions = wp_load_alloptions();
+ if ( ! defined( 'WP_INSTALLING' ) ) {
+ $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'" );
$installed = !empty( $installed );
wp_cache_set( 'is_blog_installed', $installed );
- return $installed;
+ if ( $installed )
+ return true;
+
+ $suppress = $wpdb->suppress_errors();
+ $tables = $wpdb->get_col('SHOW TABLES');
+ $wpdb->suppress_errors( $suppress );
+
+ $wp_tables = $wpdb->tables();
+ // Loop over the WP tables. If none exist, then scratch install is allowed.
+ // If one or more exist, suggest table repair since we got here because the options
+ // table could not be accessed.
+ foreach ( $wp_tables as $table ) {
+ // If one of the WP tables exist, then we are in an insane state.
+ if ( in_array( $table, $tables ) ) {
+ // The existence of custom user tables shouldn't suggest an insane state or prevent a clean install.
+ if ( defined( 'CUSTOM_USER_TABLE' ) && CUSTOM_USER_TABLE == $table )
+ continue;
+ if ( defined( 'CUSTOM_USER_META_TABLE' ) && CUSTOM_USER_META_TABLE == $table )
+ continue;
+
+ // If visiting repair.php, return true and let it take over.
+ if ( defined('WP_REPAIRING') )
+ return true;
+ // Die with a DB error.
+ $wpdb->error = sprintf( /*WP_I18N_NO_TABLES*/'One or more database tables are unavailable. The database may need to be <a href="%s">repaired</a>.'/*/WP_I18N_NO_TABLES*/, 'maint/repair.php?referrer=is_blog_installed' );
+ dead_db();
+ }
+ }
+
+ wp_cache_set( 'is_blog_installed', false );
+
+ return false;
}
/**
echo $nonce_field;
if ( $referer )
- wp_referer_field( $echo, 'previous' );
+ wp_referer_field( $echo );
return $nonce_field;
}
* @param bool $echo Whether to echo or return the referer field.
* @return string Referer field.
*/
-function wp_referer_field( $echo = true) {
+function wp_referer_field( $echo = true ) {
$ref = esc_attr( $_SERVER['REQUEST_URI'] );
$referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />';
* @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.
+ * @return bool Whether the path was created. True if path already exists.
*/
function wp_mkdir_p( $target ) {
// from php.net/mkdir user contributed notes
$target = str_replace( '//', '/', $target );
+
+ // safe mode fails with a trailing slash under certain PHP versions.
+ $target = rtrim($target, '/'); // Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
+ if ( empty($target) )
+ $target = '/';
+
if ( file_exists( $target ) )
return @is_dir( $target );
* @return array See above for description.
*/
function wp_upload_dir( $time = null ) {
+ global $switched;
$siteurl = get_option( 'siteurl' );
$upload_path = get_option( 'upload_path' );
$upload_path = trim($upload_path);
- if ( empty($upload_path) )
+ $main_override = defined( 'MULTISITE' ) && is_main_site();
+ if ( empty($upload_path) ) {
$dir = WP_CONTENT_DIR . '/uploads';
- else
+ } else {
$dir = $upload_path;
-
- // $dir is absolute, $path is (maybe) relative to ABSPATH
- $dir = path_join( ABSPATH, $dir );
+ if ( 'wp-content/uploads' == $upload_path ) {
+ $dir = WP_CONTENT_DIR . '/uploads';
+ } elseif ( 0 !== strpos($dir, ABSPATH) ) {
+ // $dir is absolute, $upload_path is (maybe) relative to ABSPATH
+ $dir = path_join( ABSPATH, $dir );
+ }
+ }
if ( !$url = get_option( 'upload_url_path' ) ) {
- if ( empty($upload_path) or ( $upload_path == $dir ) )
+ if ( empty($upload_path) || ( 'wp-content/uploads' == $upload_path ) || ( $upload_path == $dir ) )
$url = WP_CONTENT_URL . '/uploads';
else
$url = trailingslashit( $siteurl ) . $upload_path;
}
- if ( defined('UPLOADS') ) {
+ if ( defined('UPLOADS') && !$main_override && ( !isset( $switched ) || $switched === false ) ) {
$dir = ABSPATH . UPLOADS;
$url = trailingslashit( $siteurl ) . UPLOADS;
}
+ if ( is_multisite() && !$main_override && ( !isset( $switched ) || $switched === false ) ) {
+ if ( defined( 'BLOGUPLOADDIR' ) )
+ $dir = untrailingslashit(BLOGUPLOADDIR);
+ $url = str_replace( UPLOADS, 'files', $url );
+ }
+
$bdir = $dir;
$burl = $url;
// separate the filename into a name and extension
$info = pathinfo($filename);
- $ext = !empty($info['extension']) ? $info['extension'] : '';
- $name = basename($filename, ".{$ext}");
+ $ext = !empty($info['extension']) ? '.' . $info['extension'] : '';
+ $name = basename($filename, $ext);
// edge case: if file is named '.ext', treat as an empty name
- if( $name === ".$ext" )
+ if ( $name === $ext )
$name = '';
// Increment the file number until we have a unique file to save in $dir. Use $override['unique_filename_callback'] if supplied.
- if ( $unique_filename_callback && function_exists( $unique_filename_callback ) ) {
+ if ( $unique_filename_callback && is_callable( $unique_filename_callback ) ) {
$filename = $unique_filename_callback( $dir, $name );
} else {
$number = '';
- if ( !empty( $ext ) )
- $ext = ".$ext";
+ // change '.ext' to lower case
+ if ( $ext && strtolower($ext) != $ext ) {
+ $ext2 = strtolower($ext);
+ $filename2 = preg_replace( '|' . preg_quote($ext) . '$|', $ext2, $filename );
+
+ // check for both lower and upper case extension or image sub-sizes may be overwritten
+ while ( file_exists($dir . "/$filename") || file_exists($dir . "/$filename2") ) {
+ $new_number = $number + 1;
+ $filename = str_replace( "$number$ext", "$new_number$ext", $filename );
+ $filename2 = str_replace( "$number$ext2", "$new_number$ext2", $filename2 );
+ $number = $new_number;
+ }
+ return $filename2;
+ }
while ( file_exists( $dir . "/$filename" ) ) {
if ( '' == "$number$ext" )
* @since 2.0.0
*
* @param string $name
- * @param null $deprecated Not used. Set to null.
+ * @param null $deprecated Never 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( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.0' );
+
if ( empty( $name ) )
return array( 'error' => __( 'Empty filename' ) );
if ( $upload['error'] !== false )
return $upload;
+ $upload_bits_error = apply_filters( 'wp_upload_bits', array( 'name' => $name, 'bits' => $bits, 'time' => $time ) );
+ if ( !is_array( $upload_bits_error ) ) {
+ $upload[ 'error' ] = $upload_bits_error;
+ return $upload;
+ }
+
$filename = wp_unique_filename( $upload['path'], $name );
$new_file = $upload['path'] . "/$filename";
@fwrite( $ifp, $bits );
fclose( $ifp );
+ clearstatcache();
+
// Set correct file permissions
$stat = @ stat( dirname( $new_file ) );
$perms = $stat['mode'] & 0007777;
$perms = $perms & 0000666;
@ chmod( $new_file, $perms );
+ clearstatcache();
// Compute the URL
$url = $upload['url'] . "/$filename";
* @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', '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'),
+ $ext2type = apply_filters( 'ext2type', array(
+ 'audio' => array( 'aac', 'ac3', 'aif', 'aiff', 'm3a', 'm4a', 'm4b', 'mka', 'mp1', 'mp2', 'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
+ 'video' => array( 'asf', 'avi', 'divx', 'dv', 'flv', 'm4v', 'mkv', 'mov', 'mp4', 'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt', 'rm', 'vob', 'wmv' ),
+ 'document' => array( 'doc', 'docx', 'docm', 'dotm', 'odt', 'pages', 'pdf', 'rtf', 'wp', 'wpd' ),
+ 'spreadsheet' => array( 'numbers', 'ods', 'xls', 'xlsx', 'xlsb', 'xlsm' ),
+ 'interactive' => array( 'key', 'ppt', 'pptx', 'pptm', 'odp', 'swf' ),
+ 'text' => array( 'asc', 'csv', 'tsv', 'txt' ),
+ 'archive' => array( 'bz2', 'cab', 'dmg', 'gz', 'rar', 'sea', 'sit', 'sqx', 'tar', 'tgz', 'zip' ),
+ 'code' => array( 'css', 'htm', 'html', 'php', 'js' ),
));
foreach ( $ext2type as $type => $exts )
- if ( in_array($ext, $exts) )
+ if ( in_array( $ext, $exts ) )
return $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 ) ) ? $mimes : apply_filters( 'upload_mimes', array(
+ if ( empty($mimes) )
+ $mimes = get_allowed_mime_types();
+ $type = false;
+ $ext = false;
+
+ foreach ( $mimes as $ext_preg => $mime_match ) {
+ $ext_preg = '!\.(' . $ext_preg . ')$!i';
+ if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {
+ $type = $mime_match;
+ $ext = $ext_matches[1];
+ break;
+ }
+ }
+
+ return compact( 'ext', 'type' );
+}
+
+/**
+ * Attempt to determine the real file type of a file.
+ * If unable to, the file name extension will be used to determine type.
+ *
+ * If it's determined that the extension does not match the file's real type,
+ * then the "proper_filename" value will be set with a proper filename and extension.
+ *
+ * Currently this function only supports validating images known to getimagesize().
+ *
+ * @since 3.0.0
+ *
+ * @param string $file Full path to the image.
+ * @param string $filename The filename of the image (may differ from $file due to $file being in a tmp directory)
+ * @param array $mimes Optional. Key is the file extension with value as the mime type.
+ * @return array Values for the extension, MIME, and either a corrected filename or false 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
+ $wp_filetype = wp_check_filetype( $filename, $mimes );
+ extract( $wp_filetype );
+
+ // We can't do any further validation without a file to work with
+ if ( ! file_exists( $file ) )
+ return compact( 'ext', 'type', 'proper_filename' );
+
+ // We're able to validate images using GD
+ if ( $type && 0 === strpos( $type, 'image/' ) && function_exists('getimagesize') ) {
+
+ // Attempt to figure out what type of image it actually is
+ $imgstats = @getimagesize( $file );
+
+ // If getimagesize() knows what kind of image it really is and if the real MIME doesn't match the claimed MIME
+ if ( !empty($imgstats['mime']) && $imgstats['mime'] != $type ) {
+ // This is a simplified array of MIMEs that getimagesize() can detect and their extensions
+ // You shouldn't need to use this filter, but it's here just in case
+ $mime_to_ext = apply_filters( 'getimagesize_mimes_to_exts', array(
+ 'image/jpeg' => 'jpg',
+ 'image/png' => 'png',
+ 'image/gif' => 'gif',
+ 'image/bmp' => 'bmp',
+ 'image/tiff' => 'tif',
+ ) );
+
+ // Replace whatever is after the last period in the filename with the correct extension
+ if ( ! empty( $mime_to_ext[ $imgstats['mime'] ] ) ) {
+ $filename_parts = explode( '.', $filename );
+ array_pop( $filename_parts );
+ $filename_parts[] = $mime_to_ext[ $imgstats['mime'] ];
+ $new_filename = implode( '.', $filename_parts );
+
+ if ( $new_filename != $filename )
+ $proper_filename = $new_filename; // Mark that it changed
+
+ // Redefine the extension / MIME
+ $wp_filetype = wp_check_filetype( $new_filename, $mimes );
+ extract( $wp_filetype );
+ }
+ }
+ }
+
+ // Let plugins try and validate other types of files
+ // Should return an array in the style of array( 'ext' => $ext, 'type' => $type, 'proper_filename' => $proper_filename )
+ return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes );
+}
+
+/**
+ * Retrieve list of allowed mime types and file extensions.
+ *
+ * @since 2.8.6
+ *
+ * @return array Array of mime types keyed by the file extension regex corresponding to those types.
+ */
+function get_allowed_mime_types() {
+ static $mimes = false;
+
+ if ( !$mimes ) {
+ // Accepted MIME types are set here as PCRE unless provided.
+ $mimes = apply_filters( 'upload_mimes', array(
'jpg|jpeg|jpe' => 'image/jpeg',
'gif' => 'image/gif',
'png' => 'image/png',
'asf|asx|wax|wmv|wmx' => 'video/asf',
'avi' => 'video/avi',
'divx' => 'video/divx',
+ 'flv' => 'video/x-flv',
'mov|qt' => 'video/quicktime',
'mpeg|mpg|mpe' => 'video/mpeg',
- 'txt|c|cc|h' => 'text/plain',
+ 'txt|asc|c|cc|h' => 'text/plain',
+ 'csv' => 'text/csv',
+ 'tsv' => 'text/tab-separated-values',
'rtx' => 'text/richtext',
'css' => 'text/css',
'htm|html' => 'text/html',
- 'mp3|m4a' => 'audio/mpeg',
+ 'mp3|m4a|m4b' => 'audio/mpeg',
'mp4|m4v' => 'video/mp4',
'ra|ram' => 'audio/x-realaudio',
'wav' => 'audio/wav',
- 'ogg' => 'audio/ogg',
+ 'ogg|oga' => 'audio/ogg',
+ 'ogv' => 'video/ogg',
'mid|midi' => 'audio/midi',
'wma' => 'audio/wma',
+ 'mka' => 'audio/x-matroska',
+ 'mkv' => 'video/x-matroska',
'rtf' => 'application/rtf',
'js' => 'application/javascript',
'pdf' => 'application/pdf',
'doc|docx' => 'application/msword',
- 'pot|pps|ppt|pptx' => 'application/vnd.ms-powerpoint',
+ 'pot|pps|ppt|pptx|ppam|pptm|sldm|ppsm|potm' => 'application/vnd.ms-powerpoint',
'wri' => 'application/vnd.ms-write',
- 'xla|xls|xlsx|xlt|xlw' => 'application/vnd.ms-excel',
+ 'xla|xls|xlsx|xlt|xlw|xlam|xlsb|xlsm|xltm' => 'application/vnd.ms-excel',
'mdb' => 'application/vnd.ms-access',
'mpp' => 'application/vnd.ms-project',
+ 'docm|dotm' => 'application/vnd.ms-word',
+ 'pptx|sldx|ppsx|potx' => 'application/vnd.openxmlformats-officedocument.presentationml',
+ 'xlsx|xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml',
+ 'docx|dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml',
+ 'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
'swf' => 'application/x-shockwave-flash',
'class' => 'application/java',
'tar' => 'application/x-tar',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odb' => 'application/vnd.oasis.opendocument.database',
'odf' => 'application/vnd.oasis.opendocument.formula',
- )
- );
-
- $type = false;
- $ext = false;
-
- foreach ( $mimes as $ext_preg => $mime_match ) {
- $ext_preg = '!\.(' . $ext_preg . ')$!i';
- if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {
- $type = $mime_match;
- $ext = $ext_matches[1];
- break;
- }
+ // wordperfect formats
+ 'wp|wpd' => 'application/wordperfect',
+ ) );
}
- return compact( 'ext', 'type' );
+ return $mimes;
}
/**
}
}
- return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __( 'Are you sure you want to do this?' ), $matches[4] );
+ return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __( 'Are you sure you want to do this?' ), isset($matches[4]) ? $matches[4] : '' );
} else {
return apply_filters( 'explain_nonce_' . $action, __( 'Are you sure you want to do this?' ) );
}
function wp_nonce_ays( $action ) {
$title = __( 'WordPress Failure Notice' );
$html = esc_html( wp_explain_nonce( $action ) );
- if ( wp_get_referer() )
- $html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>";
- elseif ( 'log-out' == $action )
+ if ( 'log-out' == $action )
$html .= "</p><p>" . sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url() );
+ elseif ( wp_get_referer() )
+ $html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>";
- wp_die( $html, $title);
+ wp_die( $html, $title, array('response' => 403) );
}
+
/**
* Kill WordPress execution and display HTML message with error message.
*
- * Call this function complements the die() PHP function. The difference is that
+ * 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
* @param string|array $args Optional arguements to control behaviour.
*/
function wp_die( $message, $title = '', $args = array() ) {
- global $wp_locale;
+ if ( function_exists( 'apply_filters' ) ) {
+ $function = apply_filters( 'wp_die_handler', '_default_wp_die_handler');
+ }else {
+ $function = '_default_wp_die_handler';
+ }
+
+ call_user_func( $function, $message, $title, $args );
+}
+/**
+ * Kill WordPress execution and display HTML message with error message.
+ *
+ * This is the default handler for wp_die if you want a custom one for your
+ * site then you can overload using the wp_die_handler filter in wp_die
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguements to control behaviour.
+ */
+function _default_wp_die_handler( $message, $title = '', $args = array() ) {
$defaults = array( 'response' => 500 );
$r = wp_parse_args($args, $defaults);
$admin_dir = 'wp-admin/';
if ( !function_exists( 'did_action' ) || !did_action( 'admin_head' ) ) :
- if( !headers_sent() ){
+ if ( !headers_sent() ) {
status_header( $r['response'] );
nocache_headers();
header( 'Content-Type: text/html; charset=utf-8' );
}
- if ( empty($title) ) {
- $title = $have_gettext? __('WordPress › Error') : 'WordPress › Error';
- }
+ if ( empty($title) )
+ $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 ) ) $text_direction = 'rtl';
+ if ( isset($r['text_direction']) && 'rtl' == $r['text_direction'] )
+ $text_direction = 'rtl';
+ elseif ( function_exists( 'is_rtl' ) && is_rtl() )
+ $text_direction = 'rtl';
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<!-- Ticket #11289, IE bug fix: always pad the error page with enough characters such that it is greater than 512 bytes, even after gzip compression abcdefghijklmnopqrstuvwxyz1234567890aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz11223344556677889900abacbcbdcdcededfefegfgfhghgihihjijikjkjlklkmlmlnmnmononpopoqpqprqrqsrsrtstsubcbcdcdedefefgfabcadefbghicjkldmnoepqrfstugvwxhyz1i234j567k890laabmbccnddeoeffpgghqhiirjjksklltmmnunoovppqwqrrxsstytuuzvvw0wxx1yyz2z113223434455666777889890091abc2def3ghi4jkl5mno6pqr7stu8vwx9yz11aab2bcc3dd4ee5ff6gg7hh8ii9j0jk1kl2lmm3nnoo4p5pq6qrr7ss8tt9uuvv0wwx1x2yyzz13aba4cbcb5dcdc6dedfef8egf9gfh0ghg1ihi2hji3jik4jkj5lkl6kml7mln8mnm9ono -->
<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) ) language_attributes(); ?>>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php endif; ?>
<?php echo $message; ?>
</body>
-<!-- Ticket #8942, IE bug fix: always pad the error page with enough characters such that it is greater than 512 bytes, even after gzip compression abcdefghijklmnopqrstuvwxyz1234567890aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz11223344556677889900abacbcbdcdcededfefegfgfhghgihihjijikjkjlklkmlmlnmnmononpopoqpqprqrqsrsrtstsubcbcdcdedefefgfabcadefbghicjkldmnoepqrfstugvwxhyz1i234j567k890laabmbccnddeoeffpgghqhiirjjksklltmmnunoovppqwqrrxsstytuuzvvw0wxx1yyz2z113223434455666777889890091abc2def3ghi4jkl5mno6pqr7stu8vwx9yz11aab2bcc3dd4ee5ff6gg7hh8ii9j0jk1kl2lmm3nnoo4p5pq6qrr7ss8tt9uuvv0wwx1x2yyzz13aba4cbcb5dcdc6dedfef8egf9gfh0ghg1ihi2hji3jik4jkj5lkl6kml7mln8mnm9ono -->
</html>
<?php
die();
* @return array Direction set for 'rtl', if needed by locale.
*/
function _mce_set_direction( $input ) {
- global $wp_locale;
-
- if ( 'rtl' == $wp_locale->text_direction ) {
+ if ( is_rtl() ) {
$input['directionality'] = 'rtl';
$input['plugins'] .= ',directionality';
$input['theme_advanced_buttons1'] .= ',ltr';
return $r;
}
+/**
+ * Clean up an array, comma- or space-separated list of IDs
+ *
+ * @since 3.0.0
+ *
+ * @param array|string $list
+ * @return array Sanitized array of IDs
+ */
+function wp_parse_id_list( $list ) {
+ if ( !is_array($list) )
+ $list = preg_split('/[\s,]+/', $list);
+
+ return array_unique(array_map('absint', $list));
+}
+
+/**
+ * Filters a list of objects, based on a set of key => value arguments
+ *
+ * @since 3.0.0
+ *
+ * @param array $list An array of objects to filter
+ * @param array $args An array of key => value arguments to match against each object
+ * @param string $operator The logical operation to perform. 'or' means only one element
+ * from the array needs to match; 'and' means all elements must match. The default is 'and'.
+ * @param bool|string $field A field from the object to place instead of the entire object
+ * @return array A list of objects or object fields
+ */
+function wp_filter_object_list( $list, $args = array(), $operator = 'and', $field = false ) {
+ if ( !is_array($list) )
+ return array();
+
+ if ( empty($args) )
+ $args = array();
+
+ if ( empty($args) && !$field )
+ return $list; // nothing to do
+
+ $count = count($args);
+
+ $filtered = array();
+
+ foreach ( $list as $key => $obj ) {
+ $matched = count(array_intersect_assoc(get_object_vars($obj), $args));
+ if ( ('and' == $operator && $matched == $count) || ('or' == $operator && $matched <= $count) ) {
+ if ( $field )
+ $filtered[] = $obj->$field;
+ else
+ $filtered[$key] = $obj;
+ }
+ }
+
+ return $filtered;
+}
+
+/**
+ * Determines if default embed handlers should be loaded.
+ *
+ * Checks to make sure that the embeds library hasn't already been loaded. If
+ * it hasn't, then it will load the embeds library.
+ *
+ * @since 2.9.0
+ */
+function wp_maybe_load_embeds() {
+ if ( ! apply_filters('load_default_embeds', true) )
+ return;
+ require_once( ABSPATH . WPINC . '/default-embeds.php' );
+}
+
/**
* Determines if Widgets library should be loaded.
*
*/
function wp_widgets_add_menu() {
global $submenu;
- $submenu['themes.php'][7] = array( __( 'Widgets' ), 'switch_themes', 'widgets.php' );
+ $submenu['themes.php'][7] = array( __( 'Widgets' ), 'edit_theme_options', 'widgets.php' );
ksort( $submenu['themes.php'], SORT_NUMERIC );
}
*
* @since 2.5.0
*
- * @return bool Whether or not SSL access is available
+ * @param string $url
+ * @return bool Whether SSL access is available
*/
function url_is_accessable_via_ssl($url)
{
* to get the backtrace up to what file and function called the deprecated
* function.
*
- * The current behavior is to trigger an user error if WP_DEBUG is defined and
- * is true.
+ * The current behavior is to trigger an user error if WP_DEBUG is true.
*
* This function is to be used in every function in depreceated.php
*
* @package WordPress
- * @package Debug
+ * @subpackage Debug
* @since 2.5.0
* @access private
*
- * @uses do_action() Calls 'deprecated_function_run' and passes the function name and what to use instead.
- * @uses apply_filters() Calls 'deprecated_function_trigger_error' and expects boolean value of true to do trigger or false to not trigger error.
+ * @uses do_action() Calls 'deprecated_function_run' and passes the function name, what to use instead,
+ * and the version the function was deprecated in.
+ * @uses apply_filters() Calls 'deprecated_function_trigger_error' and expects boolean value of true to do
+ * trigger or false to not trigger error.
*
* @param string $function The function that was called
* @param string $version The version of WordPress that deprecated the function
* @param string $replacement Optional. The function that should have been called
*/
-function _deprecated_function($function, $version, $replacement=null) {
+function _deprecated_function( $function, $version, $replacement=null ) {
- do_action('deprecated_function_run', $function, $replacement);
+ do_action( 'deprecated_function_run', $function, $replacement, $version );
// Allow plugin to filter the output error trigger
- if( defined('WP_DEBUG') && ( true === WP_DEBUG ) && apply_filters( 'deprecated_function_trigger_error', true )) {
- if( !is_null($replacement) )
+ if ( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true ) ) {
+ if ( ! is_null($replacement) )
trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) );
else
trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
* to get the backtrace up to what file and function included the deprecated
* file.
*
- * The current behavior is to trigger an user error if WP_DEBUG is defined and
- * is true.
+ * The current behavior is to trigger an user error if WP_DEBUG is true.
*
* This function is to be used in every file that is depreceated
*
* @package WordPress
- * @package Debug
+ * @subpackage Debug
* @since 2.5.0
* @access private
*
- * @uses do_action() Calls 'deprecated_file_included' and passes the file name and what to use instead.
- * @uses apply_filters() Calls 'deprecated_file_trigger_error' and expects boolean value of true to do trigger or false to not trigger error.
+ * @uses do_action() Calls 'deprecated_file_included' and passes the file name, what to use instead,
+ * the version in which the file was deprecated, and any message regarding the change.
+ * @uses apply_filters() Calls 'deprecated_file_trigger_error' and expects boolean value of true to do
+ * trigger or false to not trigger error.
*
* @param string $file The file that was included
- * @param string $version The version of WordPress that deprecated the function
- * @param string $replacement Optional. The function that should have been called
+ * @param string $version The version of WordPress that deprecated the file
+ * @param string $replacement Optional. The file that should have been included based on ABSPATH
+ * @param string $message Optional. A message regarding the change
*/
-function _deprecated_file($file, $version, $replacement=null) {
+function _deprecated_file( $file, $version, $replacement = null, $message = '' ) {
- do_action('deprecated_file_included', $file, $replacement);
+ do_action( 'deprecated_file_included', $file, $replacement, $version, $message );
// Allow plugin to filter the output error trigger
- if( defined('WP_DEBUG') && ( true === WP_DEBUG ) && apply_filters( 'deprecated_file_trigger_error', true )) {
- if( !is_null($replacement) )
- trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) );
+ if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) {
+ $message = empty( $message ) ? '' : ' ' . $message;
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) . $message );
else
- trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) );
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) . $message );
+ }
+}
+/**
+ * Marks a function argument as deprecated and informs when it has been used.
+ *
+ * This function is to be used whenever a deprecated function argument is used.
+ * Before this function is called, the argument must be checked for whether it was
+ * used by comparing it to its default value or evaluating whether it is empty.
+ * For example:
+ * <code>
+ * if ( !empty($deprecated) )
+ * _deprecated_argument( __FUNCTION__, '3.0' );
+ * </code>
+ *
+ * There is a hook deprecated_argument_run that will be called that can be used
+ * to get the backtrace up to what file and function used the deprecated
+ * argument.
+ *
+ * The current behavior is to trigger an user error if WP_DEBUG is true.
+ *
+ * @package WordPress
+ * @subpackage Debug
+ * @since 3.0.0
+ * @access private
+ *
+ * @uses do_action() Calls 'deprecated_argument_run' and passes the function name, a message on the change,
+ * and the version in which the argument was deprecated.
+ * @uses apply_filters() Calls 'deprecated_argument_trigger_error' and expects boolean value of true to do
+ * trigger or false to not trigger error.
+ *
+ * @param string $function The function that was called
+ * @param string $version The version of WordPress that deprecated the argument used
+ * @param string $message Optional. A message regarding the change.
+ */
+function _deprecated_argument( $function, $version, $message = null ) {
+
+ do_action( 'deprecated_argument_run', $function, $message, $version );
+
+ // Allow plugin to filter the output error trigger
+ if ( WP_DEBUG && apply_filters( 'deprecated_argument_trigger_error', true ) ) {
+ if ( ! is_null( $message ) )
+ trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s'), $function, $version, $message ) );
+ else
+ trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
}
}
if ( false !== strpos( $file, './' ))
return 1;
- if (':' == substr( $file, 1, 1 ))
- return 2;
-
if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) )
return 3;
+ if (':' == substr( $file, 1, 1 ))
+ return 2;
+
return 0;
}
* @param string|bool $force Optional.
* @return bool True if forced, false if not forced.
*/
-function force_ssl_login($force = '') {
- static $forced;
+function force_ssl_login( $force = null ) {
+ static $forced = false;
- if ( '' != $force ) {
+ if ( !is_null( $force ) ) {
$old_forced = $forced;
$forced = $force;
return $old_forced;
* @param string|bool $force
* @return bool True if forced, false if not forced.
*/
-function force_ssl_admin($force = '') {
- static $forced;
+function force_ssl_admin( $force = null ) {
+ static $forced = false;
- if ( '' != $force ) {
+ if ( !is_null( $force ) ) {
$old_forced = $forced;
$forced = $force;
return $old_forced;
if ( defined('WP_SITEURL') && '' != WP_SITEURL ) {
$url = WP_SITEURL;
} else {
- $schema = ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://';
+ $schema = is_ssl() ? 'https://' : 'http://';
$url = preg_replace('|/wp-admin/.*|i', '', $schema . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']);
}
return $url;
return $current_suspend;
}
-function get_site_option( $key, $default = false, $use_cache = true ) {
- return get_option($key, $default);
+/**
+ * Retrieve site option value based on name of option.
+ *
+ * @see get_option()
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.8.0
+ *
+ * @uses apply_filters() Calls 'pre_site_option_$option' before checking the option.
+ * Any value other than false will "short-circuit" the retrieval of the option
+ * and return the returned value.
+ * @uses apply_filters() Calls 'site_option_$option', after checking the option, with
+ * the option value.
+ *
+ * @param string $option Name of option to retrieve. Expected to not be SQL-escaped.
+ * @param mixed $default Optional value to return if option doesn't exist. Default false.
+ * @param bool $use_cache Whether to use cache. Multisite only. Default true.
+ * @return mixed Value set for the option.
+ */
+function get_site_option( $option, $default = false, $use_cache = true ) {
+ global $wpdb;
+
+ // Allow plugins to short-circuit site options.
+ $pre = apply_filters( 'pre_site_option_' . $option, false );
+ if ( false !== $pre )
+ return $pre;
+
+ if ( !is_multisite() ) {
+ $value = get_option($option, $default);
+ } else {
+ $cache_key = "{$wpdb->siteid}:$option";
+ if ( $use_cache )
+ $value = wp_cache_get($cache_key, 'site-options');
+
+ if ( !isset($value) || (false === $value) ) {
+ $row = $wpdb->get_row( $wpdb->prepare("SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) );
+
+ // Has to be get_row instead of get_var because of funkiness with 0, false, null values
+ if ( is_object( $row ) )
+ $value = $row->meta_value;
+ else
+ $value = $default;
+
+ $value = maybe_unserialize( $value );
+
+ wp_cache_set( $cache_key, $value, 'site-options' );
+ }
+ }
+
+ return apply_filters( 'site_option_' . $option, $value );
+}
+
+/**
+ * Add a new site option.
+ *
+ * @see add_option()
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.8.0
+ *
+ * @uses apply_filters() Calls 'pre_add_site_option_$option' hook to allow overwriting the
+ * option value to be stored.
+ * @uses do_action() Calls 'add_site_option_$option' and 'add_site_option' hooks on success.
+ *
+ * @param string $option Name of option to add. Expected to not be SQL-escaped.
+ * @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped.
+ * @return bool False if option was not added and true if option was added.
+ */
+function add_site_option( $option, $value ) {
+ global $wpdb;
+
+ $value = apply_filters( 'pre_add_site_option_' . $option, $value );
+
+ if ( !is_multisite() ) {
+ $result = add_option( $option, $value );
+ } else {
+ $cache_key = "{$wpdb->siteid}:$option";
+
+ if ( $wpdb->get_row( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) ) )
+ return update_site_option( $option, $value );
+
+ $value = sanitize_option( $option, $value );
+ wp_cache_set( $cache_key, $value, 'site-options' );
+
+ $_value = $value;
+ $value = maybe_serialize($value);
+ $result = $wpdb->insert( $wpdb->sitemeta, array('site_id' => $wpdb->siteid, 'meta_key' => $option, 'meta_value' => $value ) );
+ $value = $_value;
+ }
+
+ do_action( "add_site_option_{$option}", $option, $value );
+ do_action( "add_site_option", $option, $value );
+
+ return $result;
+}
+
+/**
+ * Removes site option by name.
+ *
+ * @see delete_option()
+ * @package WordPress
+ * @subpackage Option
+ * @since 2.8.0
+ *
+ * @uses do_action() Calls 'pre_delete_site_option_$option' hook before option is deleted.
+ * @uses do_action() Calls 'delete_site_option' and 'delete_site_option_$option'
+ * hooks on success.
+ *
+ * @param string $option Name of option to remove. Expected to not be SQL-escaped.
+ * @return bool True, if succeed. False, if failure.
+ */
+function delete_site_option( $option ) {
+ global $wpdb;
+
+ // ms_protect_special_option( $option ); @todo
+
+ do_action( 'pre_delete_site_option_' . $option );
+
+ if ( !is_multisite() ) {
+ $result = delete_option( $option );
+ } else {
+ $row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) );
+ if ( is_null( $row ) || !$row->meta_id )
+ return false;
+ $cache_key = "{$wpdb->siteid}:$option";
+ wp_cache_delete( $cache_key, 'site-options' );
+
+ $result = $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) );
+ }
+
+ if ( $result ) {
+ do_action( "delete_site_option_{$option}", $option );
+ do_action( "delete_site_option", $option );
+ return true;
+ }
+ return false;
+}
+
+/**
+ * Update the value of a site option that was already added.
+ *
+ * @see update_option()
+ * @since 2.8.0
+ * @package WordPress
+ * @subpackage Option
+ *
+ * @uses apply_filters() Calls 'pre_update_site_option_$option' hook to allow overwriting the
+ * option value to be stored.
+ * @uses do_action() Calls 'update_site_option_$option' and 'update_site_option' hooks on success.
+ *
+ * @param string $option Name of option. Expected to not be SQL-escaped.
+ * @param mixed $value Option value. Expected to not be SQL-escaped.
+ * @return bool False if value was not updated and true if value was updated.
+ */
+function update_site_option( $option, $value ) {
+ global $wpdb;
+
+ $oldvalue = get_site_option( $option );
+ $value = apply_filters( 'pre_update_site_option_' . $option, $value, $oldvalue );
+
+ if ( $value === $oldvalue )
+ return false;
+
+ if ( !is_multisite() ) {
+ $result = update_option( $option, $value );
+ } else {
+ $cache_key = "{$wpdb->siteid}:$option";
+
+ if ( $value && !$wpdb->get_row( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) ) )
+ return add_site_option( $option, $value );
+ $value = sanitize_option( $option, $value );
+ wp_cache_set( $cache_key, $value, 'site-options' );
+
+ $_value = $value;
+ $value = maybe_serialize( $value );
+ $result = $wpdb->update( $wpdb->sitemeta, array( 'meta_value' => $value ), array( 'site_id' => $wpdb->siteid, 'meta_key' => $option ) );
+ $value = $_value;
+ }
+
+ if ( $result ) {
+ do_action( "update_site_option_{$option}", $option, $value );
+ do_action( "update_site_option", $option, $value );
+ return true;
+ }
+ return false;
}
-// expects $key, $value not to be SQL escaped
-function add_site_option( $key, $value ) {
- return add_option($key, $value);
+/**
+ * Delete a site transient
+ *
+ * @since 2.9.0
+ * @package WordPress
+ * @subpackage Transient
+ *
+ * @uses do_action() Calls 'delete_site_transient_$transient' hook before transient is deleted.
+ * @uses do_action() Calls 'deleted_site_transient' hook on success.
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @return bool True if successful, false otherwise
+ */
+function delete_site_transient( $transient ) {
+ global $_wp_using_ext_object_cache;
+
+ do_action( 'delete_site_transient_' . $transient, $transient );
+ if ( $_wp_using_ext_object_cache ) {
+ $result = wp_cache_delete( $transient, 'site-transient' );
+ } else {
+ $option_timeout = '_site_transient_timeout_' . $transient;
+ $option = '_site_transient_' . $transient;
+ $result = delete_site_option( $option );
+ if ( $result )
+ delete_site_option( $option_timeout );
+ }
+ if ( $result )
+ do_action( 'deleted_site_transient', $transient );
+ return $result;
}
-// expects $key, $value not to be SQL escaped
-function update_site_option( $key, $value ) {
- return update_option($key, $value);
+/**
+ * Get the value of a site transient
+ *
+ * If the transient does not exist or does not have a value, then the return value
+ * will be false.
+ *
+ * @see get_transient()
+ * @since 2.9.0
+ * @package WordPress
+ * @subpackage Transient
+ *
+ * @uses apply_filters() Calls 'pre_site_transient_$transient' hook before checking the transient.
+ * Any value other than false will "short-circuit" the retrieval of the transient
+ * and return the returned value.
+ * @uses apply_filters() Calls 'site_transient_$option' hook, after checking the transient, with
+ * the transient value.
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @return mixed Value of transient
+ */
+function get_site_transient( $transient ) {
+ global $_wp_using_ext_object_cache;
+
+ $pre = apply_filters( 'pre_site_transient_' . $transient, false );
+ if ( false !== $pre )
+ return $pre;
+
+ if ( $_wp_using_ext_object_cache ) {
+ $value = wp_cache_get( $transient, 'site-transient' );
+ } else {
+ // Core transients that do not have a timeout. Listed here so querying timeouts can be avoided.
+ $no_timeout = array('update_core', 'update_plugins', 'update_themes');
+ $transient_option = '_site_transient_' . $transient;
+ if ( ! in_array( $transient, $no_timeout ) ) {
+ $transient_timeout = '_site_transient_timeout_' . $transient;
+ $timeout = get_site_option( $transient_timeout );
+ if ( false !== $timeout && $timeout < time() ) {
+ delete_site_option( $transient_option );
+ delete_site_option( $transient_timeout );
+ return false;
+ }
+ }
+
+ $value = get_site_option( $transient_option );
+ }
+
+ return apply_filters( 'site_transient_' . $transient, $value );
+}
+
+/**
+ * Set/update the value of a site transient
+ *
+ * You do not need to serialize values, if the value needs to be serialize, then
+ * it will be serialized before it is set.
+ *
+ * @see set_transient()
+ * @since 2.9.0
+ * @package WordPress
+ * @subpackage Transient
+ *
+ * @uses apply_filters() Calls 'pre_set_site_transient_$transient' hook to allow overwriting the
+ * transient value to be stored.
+ * @uses do_action() Calls 'set_site_transient_$transient' and 'setted_site_transient' hooks on success.
+ *
+ * @param string $transient Transient name. Expected to not be SQL-escaped.
+ * @param mixed $value Transient value. Expected to not be SQL-escaped.
+ * @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_site_transient( $transient, $value, $expiration = 0 ) {
+ global $_wp_using_ext_object_cache;
+
+ $value = apply_filters( 'pre_set_site_transient_' . $transient, $value );
+
+ if ( $_wp_using_ext_object_cache ) {
+ $result = wp_cache_set( $transient, $value, 'site-transient', $expiration );
+ } else {
+ $transient_timeout = '_site_transient_timeout_' . $transient;
+ $transient = '_site_transient_' . $transient;
+ if ( false === get_site_option( $transient ) ) {
+ if ( $expiration )
+ add_site_option( $transient_timeout, time() + $expiration );
+ $result = add_site_option( $transient, $value );
+ } else {
+ if ( $expiration )
+ update_site_option( $transient_timeout, time() + $expiration );
+ $result = update_site_option( $transient, $value );
+ }
+ }
+ if ( $result ) {
+ do_action( 'set_site_transient_' . $transient );
+ do_action( 'setted_site_transient', $transient );
+ }
+ return $result;
+}
+
+/**
+ * is main site
+ *
+ *
+ * @since 3.0.0
+ * @package WordPress
+ *
+ * @param int $blog_id optional blog id to test (default current blog)
+ * @return bool True if not multisite or $blog_id is main site
+ */
+function is_main_site( $blog_id = '' ) {
+ global $current_site, $current_blog;
+
+ if ( !is_multisite() )
+ return true;
+
+ if ( !$blog_id )
+ $blog_id = $current_blog->blog_id;
+
+ return $blog_id == $current_site->blog_id;
+}
+
+/**
+ * Whether global terms are enabled.
+ *
+ *
+ * @since 3.0.0
+ * @package WordPress
+ *
+ * @return bool True if multisite and global terms enabled
+ */
+function global_terms_enabled() {
+ if ( ! is_multisite() )
+ return false;
+
+ static $global_terms = null;
+ if ( is_null( $global_terms ) ) {
+ $filter = apply_filters( 'global_terms_enabled', null );
+ if ( ! is_null( $filter ) )
+ $global_terms = (bool) $filter;
+ else
+ $global_terms = (bool) get_site_option( 'global_terms_enabled', false );
+ }
+ return $global_terms;
}
/**
* gmt_offset modification for smart timezone handling
*
* Overrides the gmt_offset option if we have a timezone_string available
+ *
+ * @since 2.8.0
+ *
+ * @return float|bool
*/
function wp_timezone_override_offset() {
if ( !wp_timezone_supported() ) {
return false;
}
- @date_default_timezone_set( $timezone_string );
$timezone_object = timezone_open( $timezone_string );
$datetime_object = date_create();
if ( false === $timezone_object || false === $datetime_object ) {
/**
* Check for PHP timezone support
+ *
+ * @since 2.9.0
+ *
+ * @return bool
*/
function wp_timezone_supported() {
$support = false;
if (
+ function_exists( 'date_create' ) &&
function_exists( 'date_default_timezone_set' ) &&
function_exists( 'timezone_identifiers_list' ) &&
function_exists( 'timezone_open' ) &&
return apply_filters( 'timezone_support', $support );
}
+/**
+ * {@internal Missing Short Description}}
+ *
+ * @since 2.9.0
+ *
+ * @param unknown_type $a
+ * @param unknown_type $b
+ * @return int
+ */
function _wp_timezone_choice_usort_callback( $a, $b ) {
// Don't use translated versions of Etc
if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) {
/**
* Gives a nicely formatted list of timezone strings // temporary! Not in final
*
- * @param $selected_zone string Selected Zone
+ * @since 2.9.0
*
+ * @param string $selected_zone Selected Zone
+ * @return string
*/
function wp_timezone_choice( $selected_zone ) {
static $mo_loaded = false;
- $continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific', 'Etc' );
+ $continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific');
// Load translations for continents and cities
if ( !$mo_loaded ) {
if ( !in_array( $zone[0], $continents ) ) {
continue;
}
- if ( 'Etc' === $zone[0] && in_array( $zone[1], array( 'UCT', 'GMT', 'GMT0', 'GMT+0', 'GMT-0', 'Greenwich', 'Universal', 'Zulu' ) ) ) {
- continue;
- }
// This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
$exists = array(
- 0 => ( isset( $zone[0] ) && $zone[0] ) ? true : false,
- 1 => ( isset( $zone[1] ) && $zone[1] ) ? true : false,
- 2 => ( isset( $zone[2] ) && $zone[2] ) ? true : false
+ 0 => ( isset( $zone[0] ) && $zone[0] ),
+ 1 => ( isset( $zone[1] ) && $zone[1] ),
+ 2 => ( isset( $zone[2] ) && $zone[2] ),
);
- $exists[3] = ( $exists[0] && 'Etc' !== $zone[0] ) ? true : false;
- $exists[4] = ( $exists[1] && $exists[3] ) ? true : false;
- $exists[5] = ( $exists[2] && $exists[3] ) ? true : false;
+ $exists[3] = ( $exists[0] && 'Etc' !== $zone[0] );
+ $exists[4] = ( $exists[1] && $exists[3] );
+ $exists[5] = ( $exists[2] && $exists[3] );
$zonen[] = array(
'continent' => ( $exists[0] ? $zone[0] : '' ),
$display = $zone['t_continent'];
} else {
// It's inside a continent group
-
+
// Continent optgroup
if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) {
- $label = ( 'Etc' === $zone['continent'] ) ? __( 'Manual offsets' ) : $zone['t_continent'];
+ $label = $zone['t_continent'];
$structure[] = '<optgroup label="'. esc_attr( $label ) .'">';
}
-
+
// Add the city to the value
$value[] = $zone['city'];
- if ( 'Etc' === $zone['continent'] ) {
- if ( 'UTC' === $zone['city'] ) {
- $display = '';
- } else {
- $display = str_replace( 'GMT', '', $zone['city'] );
- $display = strtr( $display, '+-', '-+' ) . ':00';
- }
- $display = sprintf( __( 'UTC %s' ), $display );
- } else {
- $display = $zone['t_city'];
- if ( !empty( $zone['subcity'] ) ) {
- // Add the subcity to the value
- $value[] = $zone['subcity'];
- $display .= ' - ' . $zone['t_subcity'];
- }
+
+ $display = $zone['t_city'];
+ if ( !empty( $zone['subcity'] ) ) {
+ // Add the subcity to the value
+ $value[] = $zone['subcity'];
+ $display .= ' - ' . $zone['t_subcity'];
}
}
$selected = 'selected="selected" ';
}
$structure[] = '<option ' . $selected . 'value="' . esc_attr( $value ) . '">' . esc_html( $display ) . "</option>";
-
+
// Close continent optgroup
if ( !empty( $zone['city'] ) && ( !isset($zonen[$key + 1]) || (isset( $zonen[$key + 1] ) && $zonen[$key + 1]['continent'] !== $zone['continent']) ) ) {
$structure[] = '</optgroup>';
}
}
- return join( "\n", $structure );
-}
+ // Do UTC
+ $structure[] = '<optgroup label="'. esc_attr__( 'UTC' ) .'">';
+ $selected = '';
+ if ( 'UTC' === $selected_zone )
+ $selected = 'selected="selected" ';
+ $structure[] = '<option ' . $selected . 'value="' . esc_attr( 'UTC' ) . '">' . __('UTC') . '</option>';
+ $structure[] = '</optgroup>';
+
+ // Do manual UTC offsets
+ $structure[] = '<optgroup label="'. esc_attr__( 'Manual Offsets' ) .'">';
+ $offset_range = array (-12, -11.5, -11, -10.5, -10, -9.5, -9, -8.5, -8, -7.5, -7, -6.5, -6, -5.5, -5, -4.5, -4, -3.5, -3, -2.5, -2, -1.5, -1, -0.5,
+ 0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 5.75, 6, 6.5, 7, 7.5, 8, 8.5, 8.75, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.75, 13, 13.75, 14);
+ foreach ( $offset_range as $offset ) {
+ if ( 0 <= $offset )
+ $offset_name = '+' . $offset;
+ else
+ $offset_name = (string) $offset;
+ $offset_value = $offset_name;
+ $offset_name = str_replace(array('.25','.5','.75'), array(':15',':30',':45'), $offset_name);
+ $offset_name = 'UTC' . $offset_name;
+ $offset_value = 'UTC' . $offset_value;
+ $selected = '';
+ if ( $offset_value === $selected_zone )
+ $selected = 'selected="selected" ';
+ $structure[] = '<option ' . $selected . 'value="' . esc_attr( $offset_value ) . '">' . esc_html( $offset_name ) . "</option>";
+
+ }
+ $structure[] = '</optgroup>';
+ return join( "\n", $structure );
+}
/**
* Strip close comment and close php tags from file headers used by WP
* See http://core.trac.wordpress.org/ticket/8497
*
- * @since 2.8
-**/
+ * @since 2.8.0
+ *
+ * @param string $str
+ * @return string
+ */
function _cleanup_header_comment($str) {
return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str));
}
+
+/**
+ * Permanently deletes posts, pages, attachments, and comments which have been in the trash for EMPTY_TRASH_DAYS.
+ *
+ * @since 2.9.0
+ */
+function wp_scheduled_delete() {
+ global $wpdb;
+
+ $delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS);
+
+ $posts_to_delete = $wpdb->get_results($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);
+
+ foreach ( (array) $posts_to_delete as $post ) {
+ $post_id = (int) $post['post_id'];
+ if ( !$post_id )
+ continue;
+
+ $del_post = get_post($post_id);
+
+ if ( !$del_post || 'trash' != $del_post->post_status ) {
+ delete_post_meta($post_id, '_wp_trash_meta_status');
+ delete_post_meta($post_id, '_wp_trash_meta_time');
+ } else {
+ wp_delete_post($post_id);
+ }
+ }
+
+ $comments_to_delete = $wpdb->get_results($wpdb->prepare("SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);
+
+ foreach ( (array) $comments_to_delete as $comment ) {
+ $comment_id = (int) $comment['comment_id'];
+ if ( !$comment_id )
+ continue;
+
+ $del_comment = get_comment($comment_id);
+
+ if ( !$del_comment || 'trash' != $del_comment->comment_approved ) {
+ delete_comment_meta($comment_id, '_wp_trash_meta_time');
+ delete_comment_meta($comment_id, '_wp_trash_meta_status');
+ } else {
+ wp_delete_comment($comment_id);
+ }
+ }
+}
+
+/**
+ * Parse the file contents to retrieve its metadata.
+ *
+ * Searches for metadata for a file, such as a plugin or theme. Each piece of
+ * metadata must be on its own line. For a field spanning multple lines, it
+ * must not have any newlines or only parts of it will be displayed.
+ *
+ * Some users have issues with opening large files and manipulating the contents
+ * for want is usually the first 1kiB or 2kiB. This function stops pulling in
+ * the file contents when it has all of the required data.
+ *
+ * The first 8kiB of the file will be pulled in and if the file data is not
+ * within that first 8kiB, then the author should correct their plugin file
+ * and move the data headers to the top.
+ *
+ * The file is assumed to have permissions to allow for scripts to read
+ * the file. This is not checked however and the file is only opened for
+ * reading.
+ *
+ * @since 2.9.0
+ *
+ * @param string $file Path to the file
+ * @param bool $markup If the returned data should have HTML markup applied
+ * @param string $context If specified adds filter hook "extra_<$context>_headers"
+ */
+function get_file_data( $file, $default_headers, $context = '' ) {
+ // We don't need to write to the file, so just open for reading.
+ $fp = fopen( $file, 'r' );
+
+ // Pull only the first 8kiB of the file in.
+ $file_data = fread( $fp, 8192 );
+
+ // PHP will close file handle, but we are good citizens.
+ fclose( $fp );
+
+ if ( $context != '' ) {
+ $extra_headers = apply_filters( "extra_$context".'_headers', array() );
+
+ $extra_headers = array_flip( $extra_headers );
+ foreach( $extra_headers as $key=>$value ) {
+ $extra_headers[$key] = $key;
+ }
+ $all_headers = array_merge($extra_headers, $default_headers);
+ } else {
+ $all_headers = $default_headers;
+ }
+
+
+ foreach ( $all_headers as $field => $regex ) {
+ preg_match( '/' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, ${$field});
+ if ( !empty( ${$field} ) )
+ ${$field} = _cleanup_header_comment( ${$field}[1] );
+ else
+ ${$field} = '';
+ }
+
+ $file_data = compact( array_keys( $all_headers ) );
+
+ return $file_data;
+}
+/*
+ * Used internally to tidy up the search terms
+ *
+ * @access private
+ * @since 2.9.0
+ *
+ * @param string $t
+ * @return string
+ */
+function _search_terms_tidy($t) {
+ return trim($t, "\"'\n\r ");
+}
+
+/**
+ * Returns true
+ *
+ * Useful for returning true to filters easily
+ *
+ * @since 3.0.0
+ * @see __return_false()
+ * @return bool true
+ */
+function __return_true() {
+ return true;
+}
+
+/**
+ * Returns false
+ *
+ * Useful for returning false to filters easily
+ *
+ * @since 3.0.0
+ * @see __return_true()
+ * @return bool false
+ */
+function __return_false() {
+ return false;
+}
+
+/**
+ * Returns 0
+ *
+ * Useful for returning 0 to filters easily
+ *
+ * @since 3.0.0
+ * @see __return_zero()
+ * @return int 0
+ */
+function __return_zero() {
+ return 0;
+}
+
+/**
+ * Returns an empty array
+ *
+ * Useful for returning an empty array to filters easily
+ *
+ * @since 3.0.0
+ * @see __return_zero()
+ * @return array Empty array
+ */
+function __return_empty_array() {
+ return array();
+}
+
+/**
+ * Send a HTTP header to disable content type sniffing in browsers which support it.
+ *
+ * @link http://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
+ * @link http://src.chromium.org/viewvc/chrome?view=rev&revision=6985
+ *
+ * @since 3.0.0
+ * @return none
+ */
+function send_nosniff_header() {
+ @header( 'X-Content-Type-Options: nosniff' );
+}
+
+/**
+ * Returns a MySQL expression for selecting the week number based on the start_of_week option.
+ *
+ * @internal
+ * @since 3.0.0
+ * @param string $column
+ * @return string
+ */
+function _wp_mysql_week( $column ) {
+ switch ( $start_of_week = (int) get_option( 'start_of_week' ) ) {
+ default :
+ case 0 :
+ return "WEEK( $column, 0 )";
+ case 1 :
+ return "WEEK( $column, 1 )";
+ case 2 :
+ case 3 :
+ case 4 :
+ case 5 :
+ case 6 :
+ return "WEEK( DATE_SUB( $column, INTERVAL $start_of_week DAY ), 0 )";
+ }
+}
+
?>