/** * The WordPress version string * * @global string $wp_version */ $wp_version = '3.7.28'; /** * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * * @global int $wp_db_version */ $wp_db_version = 26151; /** * Holds the TinyMCE version * * @global string $tinymce_version */ $tinymce_version = '359-20131026'; /** * Holds the required PHP version * * @global string $required_php_version */ $required_php_version = '5.2.4'; /** * Holds the required MySQL version * * @global string $required_mysql_version */ $required_mysql_version = '5.0'; /** * The plugin API is located in this file, which allows for creating actions * and filters and hooking functions, and methods. The functions or methods will * then be run when the action or filter is called. * * The API callback examples reference functions, but can be methods of classes. * To hook methods, you'll need to pass an array one of two ways. * * Any of the syntaxes explained in the PHP documentation for the * {@link http://us2.php.net/manual/en/language.pseudo-types.php#language.types.callback 'callback'} * type are valid. * * Also see the {@link http://codex.wordpress.org/Plugin_API Plugin API} for * more information and examples on how to use a lot of these functions. * * @package WordPress * @subpackage Plugin * @since 1.5 */ // Initialize the filter globals. global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; if ( ! isset( $wp_filter ) ) $wp_filter = array(); if ( ! isset( $wp_actions ) ) $wp_actions = array(); if ( ! isset( $merged_filters ) ) $merged_filters = array(); if ( ! isset( $wp_current_filter ) ) $wp_current_filter = array(); /** * Hooks a function or method to a specific filter action. * * WordPress offers filter hooks to allow plugins to modify * various types of internal data at runtime. * * A plugin can modify data by binding a callback to a filter hook. When the filter * is later applied, each bound callback is run in order of priority, and given * the opportunity to modify a value by returning a new value. * * The following example shows how a callback function is bound to a filter hook. * Note that $example is passed to the callback, (maybe) modified, then returned: * * * function example_callback( $example ) { * // Maybe modify $example in some way * return $example; * } * add_filter( 'example_filter', 'example_callback' ); * * * Since WordPress 1.5.1, bound callbacks can take as many arguments as are * passed as parameters in the corresponding apply_filters() call. The $accepted_args * parameter allows for calling functions only when the number of args match. * * Note: the function will return true whether or not the callback * is valid. It is up to you to take care. This is done for optimization purposes, * so everything is as quick as possible. * * @package WordPress * @subpackage Plugin * * @global array $wp_filter A multidimensional array of all hooks and the callbacks hooked to them. * @global array $merged_filters Tracks the tags that need to be merged for later. If the hook is added, it doesn't need to run through that process. * * @since 0.71 * * @param string $tag The name of the filter to hook the $function_to_add callback to. * @param callback $function_to_add The callback to be run when the filter is applied. * @param int $priority (optional) The order in which the functions associated with a particular action are executed. Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action. * Default 10. * @param int $accepted_args (optional) The number of arguments the function accepts. * Default 1. * @return boolean true */ function add_filter( $tag, $function_to_add, $priority = 10, $accepted_args = 1 ) { global $wp_filter, $merged_filters; $idx = _wp_filter_build_unique_id($tag, $function_to_add, $priority); $wp_filter[$tag][$priority][$idx] = array('function' => $function_to_add, 'accepted_args' => $accepted_args); unset( $merged_filters[ $tag ] ); return true; } /** * Check if any filter has been registered for a hook. * * @package WordPress * @subpackage Plugin * @since 2.5 * @global array $wp_filter Stores all of the filters * * @param string $tag The name of the filter hook. * @param callback $function_to_check optional. * @return mixed If $function_to_check is omitted, returns boolean for whether the hook has anything registered. * When checking a specific function, the priority of that hook is returned, or false if the function is not attached. * When using the $function_to_check argument, this function may return a non-boolean value that evaluates to false * (e.g.) 0, so use the === operator for testing the return value. */ function has_filter($tag, $function_to_check = false) { global $wp_filter; $has = !empty($wp_filter[$tag]); if ( false === $function_to_check || false == $has ) return $has; if ( !$idx = _wp_filter_build_unique_id($tag, $function_to_check, false) ) return false; foreach ( (array) array_keys($wp_filter[$tag]) as $priority ) { if ( isset($wp_filter[$tag][$priority][$idx]) ) return $priority; } return false; } /** * Call the functions added to a filter hook. * * The callback functions attached to filter hook $tag are invoked by calling * this function. This function can be used to create a new filter hook by * simply calling this function with the name of the new hook specified using * the $tag parameter. * * The function allows for additional arguments to be added and passed to hooks. * * // Our filter callback function * function example_callback( $string, $arg1, $arg2 ) { * // (maybe) modify $string * return $string; * } * add_filter( 'example_filter', 'example_callback', 10, 3 ); * * // Apply the filters by calling the 'example_callback' function we * // "hooked" to 'example_filter' using the add_filter() function above. * // - 'example_filter' is the filter hook $tag * // - 'filter me' is the value being filtered * // - $arg1 and $arg2 are the additional arguments passed to the callback. * $value = apply_filters( 'example_filter', 'filter me', $arg1, $arg2 ); * * * @package WordPress * @subpackage Plugin * * @global array $wp_filter Stores all of the filters * @global array $merged_filters Merges the filter hooks using this function. * @global array $wp_current_filter stores the list of current filters with the current one last * * @since 0.71 * * @param string $tag The name of the filter hook. * @param mixed $value The value on which the filters hooked to $tag are applied on. * @param mixed $var Additional variables passed to the functions hooked to $tag. * @return mixed The filtered value after all hooked functions are applied to it. */ function apply_filters( $tag, $value ) { global $wp_filter, $merged_filters, $wp_current_filter; $args = array(); // Do 'all' actions first if ( isset($wp_filter['all']) ) { $wp_current_filter[] = $tag; $args = func_get_args(); _wp_call_all_hook($args); } if ( !isset($wp_filter[$tag]) ) { if ( isset($wp_filter['all']) ) array_pop($wp_current_filter); return $value; } if ( !isset($wp_filter['all']) ) $wp_current_filter[] = $tag; // Sort if ( !isset( $merged_filters[ $tag ] ) ) { ksort($wp_filter[$tag]); $merged_filters[ $tag ] = true; } reset( $wp_filter[ $tag ] ); if ( empty($args) ) $args = func_get_args(); do { foreach( (array) current($wp_filter[$tag]) as $the_ ) if ( !is_null($the_['function']) ){ $args[1] = $value; $value = call_user_func_array($the_['function'], array_slice($args, 1, (int) $the_['accepted_args'])); } } while ( next($wp_filter[$tag]) !== false ); array_pop( $wp_current_filter ); return $value; } /** * Execute functions hooked on a specific filter hook, specifying arguments in an array. * * @see apply_filters() This function is identical, but the arguments passed to the * functions hooked to $tag are supplied using an array. * * @package WordPress * @subpackage Plugin * @since 3.0.0 * @global array $wp_filter Stores all of the filters * @global array $merged_filters Merges the filter hooks using this function. * @global array $wp_current_filter stores the list of current filters with the current one last * * @param string $tag The name of the filter hook. * @param array $args The arguments supplied to the functions hooked to $tag * @return mixed The filtered value after all hooked functions are applied to it. */ function apply_filters_ref_array($tag, $args) { global $wp_filter, $merged_filters, $wp_current_filter; // Do 'all' actions first if ( isset($wp_filter['all']) ) { $wp_current_filter[] = $tag; $all_args = func_get_args(); _wp_call_all_hook($all_args); } if ( !isset($wp_filter[$tag]) ) { if ( isset($wp_filter['all']) ) array_pop($wp_current_filter); return $args[0]; } if ( !isset($wp_filter['all']) ) $wp_current_filter[] = $tag; // Sort if ( !isset( $merged_filters[ $tag ] ) ) { ksort($wp_filter[$tag]); $merged_filters[ $tag ] = true; } reset( $wp_filter[ $tag ] ); do { foreach( (array) current($wp_filter[$tag]) as $the_ ) if ( !is_null($the_['function']) ) $args[0] = call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); } while ( next($wp_filter[$tag]) !== false ); array_pop( $wp_current_filter ); return $args[0]; } /** * Removes a function from a specified filter hook. * * This function removes a function attached to a specified filter hook. This * method can be used to remove default functions attached to a specific filter * hook and possibly replace them with a substitute. * * To remove a hook, the $function_to_remove and $priority arguments must match * when the hook was added. This goes for both filters and actions. No warning * will be given on removal failure. * * @package WordPress * @subpackage Plugin * @since 1.2 * * @param string $tag The filter hook to which the function to be removed is hooked. * @param callback $function_to_remove The name of the function which should be removed. * @param int $priority optional. The priority of the function (default: 10). * @param int $accepted_args optional. The number of arguments the function accepts (default: 1). * @return boolean Whether the function existed before it was removed. */ function remove_filter( $tag, $function_to_remove, $priority = 10 ) { $function_to_remove = _wp_filter_build_unique_id($tag, $function_to_remove, $priority); $r = isset($GLOBALS['wp_filter'][$tag][$priority][$function_to_remove]); if ( true === $r) { unset($GLOBALS['wp_filter'][$tag][$priority][$function_to_remove]); if ( empty($GLOBALS['wp_filter'][$tag][$priority]) ) unset($GLOBALS['wp_filter'][$tag][$priority]); unset($GLOBALS['merged_filters'][$tag]); } return $r; } /** * Remove all of the hooks from a filter. * * @since 2.7 * * @param string $tag The filter to remove hooks from. * @param int $priority The priority number to remove. * @return bool True when finished. */ function remove_all_filters($tag, $priority = false) { global $wp_filter, $merged_filters; if( isset($wp_filter[$tag]) ) { if( false !== $priority && isset($wp_filter[$tag][$priority]) ) unset($wp_filter[$tag][$priority]); else unset($wp_filter[$tag]); } if( isset($merged_filters[$tag]) ) unset($merged_filters[$tag]); return true; } /** * Retrieve the name of the current filter or action. * * @package WordPress * @subpackage Plugin * @since 2.5 * * @return string Hook name of the current filter or action. */ function current_filter() { global $wp_current_filter; return end( $wp_current_filter ); } /** * Hooks a function on to a specific action. * * Actions are the hooks that the WordPress core launches at specific points * during execution, or when specific events occur. Plugins can specify that * one or more of its PHP functions are executed at these points, using the * Action API. * * @uses add_filter() Adds an action. Parameter list and functionality are the same. * * @package WordPress * @subpackage Plugin * @since 1.2 * * @param string $tag The name of the action to which the $function_to_add is hooked. * @param callback $function_to_add The name of the function you wish to be called. * @param int $priority optional. Used to specify the order in which the functions associated with a particular action are executed (default: 10). Lower numbers correspond with earlier execution, and functions with the same priority are executed in the order in which they were added to the action. * @param int $accepted_args optional. The number of arguments the function accept (default 1). */ function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) { return add_filter($tag, $function_to_add, $priority, $accepted_args); } /** * Execute functions hooked on a specific action hook. * * This function invokes all functions attached to action hook $tag. It is * possible to create new action hooks by simply calling this function, * specifying the name of the new hook using the $tag parameter. * * You can pass extra arguments to the hooks, much like you can with * apply_filters(). * * @see apply_filters() This function works similar with the exception that * nothing is returned and only the functions or methods are called. * * @package WordPress * @subpackage Plugin * @since 1.2 * @global array $wp_filter Stores all of the filters * @global array $wp_actions Increments the amount of times action was triggered. * * @param string $tag The name of the action to be executed. * @param mixed $arg,... Optional additional arguments which are passed on to the functions hooked to the action. * @return null Will return null if $tag does not exist in $wp_filter array */ function do_action($tag, $arg = '') { global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; if ( ! isset($wp_actions[$tag]) ) $wp_actions[$tag] = 1; else ++$wp_actions[$tag]; // Do 'all' actions first if ( isset($wp_filter['all']) ) { $wp_current_filter[] = $tag; $all_args = func_get_args(); _wp_call_all_hook($all_args); } if ( !isset($wp_filter[$tag]) ) { if ( isset($wp_filter['all']) ) array_pop($wp_current_filter); return; } if ( !isset($wp_filter['all']) ) $wp_current_filter[] = $tag; $args = array(); if ( is_array($arg) && 1 == count($arg) && isset($arg[0]) && is_object($arg[0]) ) // array(&$this) $args[] =& $arg[0]; else $args[] = $arg; for ( $a = 2; $a < func_num_args(); $a++ ) $args[] = func_get_arg($a); // Sort if ( !isset( $merged_filters[ $tag ] ) ) { ksort($wp_filter[$tag]); $merged_filters[ $tag ] = true; } reset( $wp_filter[ $tag ] ); do { foreach ( (array) current($wp_filter[$tag]) as $the_ ) if ( !is_null($the_['function']) ) call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); } while ( next($wp_filter[$tag]) !== false ); array_pop($wp_current_filter); } /** * Retrieve the number of times an action is fired. * * @package WordPress * @subpackage Plugin * @since 2.1 * @global array $wp_actions Increments the amount of times action was triggered. * * @param string $tag The name of the action hook. * @return int The number of times action hook $tag is fired */ function did_action($tag) { global $wp_actions; if ( ! isset( $wp_actions[ $tag ] ) ) return 0; return $wp_actions[$tag]; } /** * Execute functions hooked on a specific action hook, specifying arguments in an array. * * @see do_action() This function is identical, but the arguments passed to the * functions hooked to $tag are supplied using an array. * * @package WordPress * @subpackage Plugin * @since 2.1 * @global array $wp_filter Stores all of the filters * @global array $wp_actions Increments the amount of times action was triggered. * * @param string $tag The name of the action to be executed. * @param array $args The arguments supplied to the functions hooked to $tag * @return null Will return null if $tag does not exist in $wp_filter array */ function do_action_ref_array($tag, $args) { global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; if ( ! isset($wp_actions[$tag]) ) $wp_actions[$tag] = 1; else ++$wp_actions[$tag]; // Do 'all' actions first if ( isset($wp_filter['all']) ) { $wp_current_filter[] = $tag; $all_args = func_get_args(); _wp_call_all_hook($all_args); } if ( !isset($wp_filter[$tag]) ) { if ( isset($wp_filter['all']) ) array_pop($wp_current_filter); return; } if ( !isset($wp_filter['all']) ) $wp_current_filter[] = $tag; // Sort if ( !isset( $merged_filters[ $tag ] ) ) { ksort($wp_filter[$tag]); $merged_filters[ $tag ] = true; } reset( $wp_filter[ $tag ] ); do { foreach( (array) current($wp_filter[$tag]) as $the_ ) if ( !is_null($the_['function']) ) call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); } while ( next($wp_filter[$tag]) !== false ); array_pop($wp_current_filter); } /** * Check if any action has been registered for a hook. * * @package WordPress * @subpackage Plugin * @since 2.5 * @see has_filter() has_action() is an alias of has_filter(). * * @param string $tag The name of the action hook. * @param callback $function_to_check optional. * @return mixed If $function_to_check is omitted, returns boolean for whether the hook has anything registered. * When checking a specific function, the priority of that hook is returned, or false if the function is not attached. * When using the $function_to_check argument, this function may return a non-boolean value that evaluates to false * (e.g.) 0, so use the === operator for testing the return value. */ function has_action($tag, $function_to_check = false) { return has_filter($tag, $function_to_check); } /** * Removes a function from a specified action hook. * * This function removes a function attached to a specified action hook. This * method can be used to remove default functions attached to a specific filter * hook and possibly replace them with a substitute. * * @package WordPress * @subpackage Plugin * @since 1.2 * * @param string $tag The action hook to which the function to be removed is hooked. * @param callback $function_to_remove The name of the function which should be removed. * @param int $priority optional The priority of the function (default: 10). * @return boolean Whether the function is removed. */ function remove_action( $tag, $function_to_remove, $priority = 10 ) { return remove_filter( $tag, $function_to_remove, $priority ); } /** * Remove all of the hooks from an action. * * @since 2.7 * * @param string $tag The action to remove hooks from. * @param int $priority The priority number to remove them from. * @return bool True when finished. */ function remove_all_actions($tag, $priority = false) { return remove_all_filters($tag, $priority); } // // Functions for handling plugins. // /** * Gets the basename of a plugin. * * This method extracts the name of a plugin from its filename. * * @package WordPress * @subpackage Plugin * @since 1.5 * * @access private * * @param string $file The filename of plugin. * @return string The name of a plugin. * @uses WP_PLUGIN_DIR */ function plugin_basename($file) { $file = str_replace('\\','/',$file); // sanitize for Win32 installs $file = preg_replace('|/+|','/', $file); // remove any duplicate slash $plugin_dir = str_replace('\\','/',WP_PLUGIN_DIR); // sanitize for Win32 installs $plugin_dir = preg_replace('|/+|','/', $plugin_dir); // remove any duplicate slash $mu_plugin_dir = str_replace('\\','/',WPMU_PLUGIN_DIR); // sanitize for Win32 installs $mu_plugin_dir = preg_replace('|/+|','/', $mu_plugin_dir); // remove any duplicate slash $file = preg_replace('#^' . preg_quote($plugin_dir, '#') . '/|^' . preg_quote($mu_plugin_dir, '#') . '/#','',$file); // get relative path from plugins dir $file = trim($file, '/'); return $file; } /** * Gets the filesystem directory path (with trailing slash) for the plugin __FILE__ passed in * @package WordPress * @subpackage Plugin * @since 2.8 * * @param string $file The filename of the plugin (__FILE__) * @return string the filesystem path of the directory that contains the plugin */ function plugin_dir_path( $file ) { return trailingslashit( dirname( $file ) ); } /** * Gets the URL directory path (with trailing slash) for the plugin __FILE__ passed in * @package WordPress * @subpackage Plugin * @since 2.8 * * @param string $file The filename of the plugin (__FILE__) * @return string the URL path of the directory that contains the plugin */ function plugin_dir_url( $file ) { return trailingslashit( plugins_url( '', $file ) ); } /** * Set the activation hook for a plugin. * * When a plugin is activated, the action 'activate_PLUGINNAME' hook is * called. In the name of this hook, PLUGINNAME is replaced with the name * of the plugin, including the optional subdirectory. For example, when the * plugin is located in wp-content/plugins/sampleplugin/sample.php, then * the name of this hook will become 'activate_sampleplugin/sample.php'. * * When the plugin consists of only one file and is (as by default) located at * wp-content/plugins/sample.php the name of this hook will be * 'activate_sample.php'. * * @package WordPress * @subpackage Plugin * @since 2.0 * * @param string $file The filename of the plugin including the path. * @param callback $function the function hooked to the 'activate_PLUGIN' action. */ function register_activation_hook($file, $function) { $file = plugin_basename($file); add_action('activate_' . $file, $function); } /** * Set the deactivation hook for a plugin. * * When a plugin is deactivated, the action 'deactivate_PLUGINNAME' hook is * called. In the name of this hook, PLUGINNAME is replaced with the name * of the plugin, including the optional subdirectory. For example, when the * plugin is located in wp-content/plugins/sampleplugin/sample.php, then * the name of this hook will become 'deactivate_sampleplugin/sample.php'. * * When the plugin consists of only one file and is (as by default) located at * wp-content/plugins/sample.php the name of this hook will be * 'deactivate_sample.php'. * * @package WordPress * @subpackage Plugin * @since 2.0 * * @param string $file The filename of the plugin including the path. * @param callback $function the function hooked to the 'deactivate_PLUGIN' action. */ function register_deactivation_hook($file, $function) { $file = plugin_basename($file); add_action('deactivate_' . $file, $function); } /** * Set the uninstallation hook for a plugin. * * Registers the uninstall hook that will be called when the user clicks on the * uninstall link that calls for the plugin to uninstall itself. The link won't * be active unless the plugin hooks into the action. * * The plugin should not run arbitrary code outside of functions, when * registering the uninstall hook. In order to run using the hook, the plugin * will have to be included, which means that any code laying outside of a * function will be run during the uninstall process. The plugin should not * hinder the uninstall process. * * If the plugin can not be written without running code within the plugin, then * the plugin should create a file named 'uninstall.php' in the base plugin * folder. This file will be called, if it exists, during the uninstall process * bypassing the uninstall hook. The plugin, when using the 'uninstall.php' * should always check for the 'WP_UNINSTALL_PLUGIN' constant, before * executing. * * @since 2.7 * * @param string $file * @param callback $callback The callback to run when the hook is called. Must be a static method or function. */ function register_uninstall_hook( $file, $callback ) { if ( is_array( $callback ) && is_object( $callback[0] ) ) { _doing_it_wrong( __FUNCTION__, __( 'Only a static class method or function can be used in an uninstall hook.' ), '3.1' ); return; } // The option should not be autoloaded, because it is not needed in most // cases. Emphasis should be put on using the 'uninstall.php' way of // uninstalling the plugin. $uninstallable_plugins = (array) get_option('uninstall_plugins'); $uninstallable_plugins[plugin_basename($file)] = $callback; update_option('uninstall_plugins', $uninstallable_plugins); } /** * Calls the 'all' hook, which will process the functions hooked into it. * * The 'all' hook passes all of the arguments or parameters that were used for * the hook, which this function was called for. * * This function is used internally for apply_filters(), do_action(), and * do_action_ref_array() and is not meant to be used from outside those * functions. This function does not check for the existence of the all hook, so * it will fail unless the all hook exists prior to this function call. * * @package WordPress * @subpackage Plugin * @since 2.5 * @access private * * @uses $wp_filter Used to process all of the functions in the 'all' hook * * @param array $args The collected parameters from the hook that was called. */ function _wp_call_all_hook($args) { global $wp_filter; reset( $wp_filter['all'] ); do { foreach( (array) current($wp_filter['all']) as $the_ ) if ( !is_null($the_['function']) ) call_user_func_array($the_['function'], $args); } while ( next($wp_filter['all']) !== false ); } /** * Build Unique ID for storage and retrieval. * * The old way to serialize the callback caused issues and this function is the * solution. It works by checking for objects and creating an a new property in * the class to keep track of the object and new objects of the same class that * need to be added. * * It also allows for the removal of actions and filters for objects after they * change class properties. It is possible to include the property $wp_filter_id * in your class and set it to "null" or a number to bypass the workaround. * However this will prevent you from adding new classes and any new classes * will overwrite the previous hook by the same class. * * Functions and static method callbacks are just returned as strings and * shouldn't have any speed penalty. * * @package WordPress * @subpackage Plugin * @access private * @since 2.2.3 * @link http://trac.wordpress.org/ticket/3875 * * @global array $wp_filter Storage for all of the filters and actions * @param string $tag Used in counting how many hooks were applied * @param callback $function Used for creating unique id * @param int|bool $priority Used in counting how many hooks were applied. If === false and $function is an object reference, we return the unique id only if it already has one, false otherwise. * @return string|bool Unique ID for usage as array key or false if $priority === false and $function is an object reference, and it does not already have a unique id. */ function _wp_filter_build_unique_id($tag, $function, $priority) { global $wp_filter; static $filter_id_count = 0; if ( is_string($function) ) return $function; if ( is_object($function) ) { // Closures are currently implemented as objects $function = array( $function, '' ); } else { $function = (array) $function; } if (is_object($function[0]) ) { // Object Class Calling if ( function_exists('spl_object_hash') ) { return spl_object_hash($function[0]) . $function[1]; } else { $obj_idx = get_class($function[0]).$function[1]; if ( !isset($function[0]->wp_filter_id) ) { if ( false === $priority ) return false; $obj_idx .= isset($wp_filter[$tag][$priority]) ? count((array)$wp_filter[$tag][$priority]) : $filter_id_count; $function[0]->wp_filter_id = $filter_id_count; ++$filter_id_count; } else { $obj_idx .= $function[0]->wp_filter_id; } return $obj_idx; } } else if ( is_string($function[0]) ) { // Static Calling return $function[0] . '::' . $function[1]; } } /** * Sets up the default filters and actions for most * of the WordPress hooks. * * If you need to remove a default hook, this file will * give you the priority for which to use to remove the * hook. * * Not all of the default hooks are found in default-filters.php * * @package WordPress */ // Strip, trim, kses, special chars for string saves foreach ( array( 'pre_term_name', 'pre_comment_author_name', 'pre_link_name', 'pre_link_target', 'pre_link_rel', 'pre_user_display_name', 'pre_user_first_name', 'pre_user_last_name', 'pre_user_nickname' ) as $filter ) { add_filter( $filter, 'sanitize_text_field' ); add_filter( $filter, 'wp_filter_kses' ); add_filter( $filter, '_wp_specialchars', 30 ); } // Strip, kses, special chars for string display foreach ( array( 'term_name', 'comment_author_name', 'link_name', 'link_target', 'link_rel', 'user_display_name', 'user_first_name', 'user_last_name', 'user_nickname' ) as $filter ) { if ( is_admin() ) { // These are expensive. Run only on admin pages for defense in depth. add_filter( $filter, 'sanitize_text_field' ); add_filter( $filter, 'wp_kses_data' ); } add_filter( $filter, '_wp_specialchars', 30 ); } // Kses only for textarea saves foreach ( array( 'pre_term_description', 'pre_link_description', 'pre_link_notes', 'pre_user_description' ) as $filter ) { add_filter( $filter, 'wp_filter_kses' ); } // Kses only for textarea admin displays if ( is_admin() ) { foreach ( array( 'term_description', 'link_description', 'link_notes', 'user_description' ) as $filter ) { add_filter( $filter, 'wp_kses_data' ); } add_filter( 'comment_text', 'wp_kses_post' ); } // Email saves foreach ( array( 'pre_comment_author_email', 'pre_user_email' ) as $filter ) { add_filter( $filter, 'trim' ); add_filter( $filter, 'sanitize_email' ); add_filter( $filter, 'wp_filter_kses' ); } // Email admin display foreach ( array( 'comment_author_email', 'user_email' ) as $filter ) { add_filter( $filter, 'sanitize_email' ); if ( is_admin() ) add_filter( $filter, 'wp_kses_data' ); } // Save URL foreach ( array( 'pre_comment_author_url', 'pre_user_url', 'pre_link_url', 'pre_link_image', 'pre_link_rss', 'pre_post_guid' ) as $filter ) { add_filter( $filter, 'wp_strip_all_tags' ); add_filter( $filter, 'esc_url_raw' ); add_filter( $filter, 'wp_filter_kses' ); } // Display URL foreach ( array( 'user_url', 'link_url', 'link_image', 'link_rss', 'comment_url', 'post_guid' ) as $filter ) { if ( is_admin() ) add_filter( $filter, 'wp_strip_all_tags' ); add_filter( $filter, 'esc_url' ); if ( is_admin() ) add_filter( $filter, 'wp_kses_data' ); } // Slugs add_filter( 'pre_term_slug', 'sanitize_title' ); // Keys foreach ( array( 'pre_post_type', 'pre_post_status', 'pre_post_comment_status', 'pre_post_ping_status' ) as $filter ) { add_filter( $filter, 'sanitize_key' ); } // Mime types add_filter( 'pre_post_mime_type', 'sanitize_mime_type' ); add_filter( 'post_mime_type', 'sanitize_mime_type' ); // Places to balance tags on input foreach ( array( 'content_save_pre', 'excerpt_save_pre', 'comment_save_pre', 'pre_comment_content' ) as $filter ) { add_filter( $filter, 'balanceTags', 50 ); } // Format strings for display. foreach ( array( 'comment_author', 'term_name', 'link_name', 'link_description', 'link_notes', 'bloginfo', 'wp_title', 'widget_title' ) as $filter ) { add_filter( $filter, 'wptexturize' ); add_filter( $filter, 'convert_chars' ); add_filter( $filter, 'esc_html' ); } // Format WordPress foreach ( array( 'the_content', 'the_title', 'wp_title' ) as $filter ) add_filter( $filter, 'capital_P_dangit', 11 ); add_filter( 'comment_text', 'capital_P_dangit', 31 ); // Format titles foreach ( array( 'single_post_title', 'single_cat_title', 'single_tag_title', 'single_month_title', 'nav_menu_attr_title', 'nav_menu_description' ) as $filter ) { add_filter( $filter, 'wptexturize' ); add_filter( $filter, 'strip_tags' ); } // Format text area for display. foreach ( array( 'term_description' ) as $filter ) { add_filter( $filter, 'wptexturize' ); add_filter( $filter, 'convert_chars' ); add_filter( $filter, 'wpautop' ); add_filter( $filter, 'shortcode_unautop'); } // Format for RSS add_filter( 'term_name_rss', 'convert_chars' ); // Pre save hierarchy add_filter( 'wp_insert_post_parent', 'wp_check_post_hierarchy_for_loops', 10, 2 ); add_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10, 3 ); // Display filters add_filter( 'the_title', 'wptexturize' ); add_filter( 'the_title', 'convert_chars' ); add_filter( 'the_title', 'trim' ); add_filter( 'the_content', 'wptexturize' ); add_filter( 'the_content', 'convert_smilies' ); add_filter( 'the_content', 'convert_chars' ); add_filter( 'the_content', 'wpautop' ); add_filter( 'the_content', 'shortcode_unautop' ); add_filter( 'the_content', 'prepend_attachment' ); add_filter( 'the_excerpt', 'wptexturize' ); add_filter( 'the_excerpt', 'convert_smilies' ); add_filter( 'the_excerpt', 'convert_chars' ); add_filter( 'the_excerpt', 'wpautop' ); add_filter( 'the_excerpt', 'shortcode_unautop'); add_filter( 'get_the_excerpt', 'wp_trim_excerpt' ); add_filter( 'comment_text', 'wptexturize' ); add_filter( 'comment_text', 'convert_chars' ); add_filter( 'comment_text', 'make_clickable', 9 ); add_filter( 'comment_text', 'force_balance_tags', 25 ); add_filter( 'comment_text', 'convert_smilies', 20 ); add_filter( 'comment_text', 'wpautop', 30 ); add_filter( 'comment_excerpt', 'convert_chars' ); add_filter( 'list_cats', 'wptexturize' ); add_filter( 'wp_sprintf', 'wp_sprintf_l', 10, 2 ); // RSS filters add_filter( 'the_title_rss', 'strip_tags' ); add_filter( 'the_title_rss', 'ent2ncr', 8 ); add_filter( 'the_title_rss', 'esc_html' ); add_filter( 'the_content_rss', 'ent2ncr', 8 ); add_filter( 'the_excerpt_rss', 'convert_chars' ); add_filter( 'the_excerpt_rss', 'ent2ncr', 8 ); add_filter( 'comment_author_rss', 'ent2ncr', 8 ); add_filter( 'comment_text_rss', 'ent2ncr', 8 ); add_filter( 'comment_text_rss', 'esc_html' ); add_filter( 'bloginfo_rss', 'ent2ncr', 8 ); add_filter( 'the_author', 'ent2ncr', 8 ); // Misc filters add_filter( 'option_ping_sites', 'privacy_ping_filter' ); add_filter( 'option_blog_charset', '_wp_specialchars' ); // IMPORTANT: This must not be wp_specialchars() or esc_html() or it'll cause an infinite loop add_filter( 'option_blog_charset', '_canonical_charset' ); add_filter( 'option_home', '_config_wp_home' ); add_filter( 'option_siteurl', '_config_wp_siteurl' ); add_filter( 'tiny_mce_before_init', '_mce_set_direction' ); add_filter( 'pre_kses', 'wp_pre_kses_less_than' ); add_filter( 'sanitize_title', 'sanitize_title_with_dashes', 10, 3 ); add_action( 'check_comment_flood', 'check_comment_flood_db', 10, 3 ); add_filter( 'comment_flood_filter', 'wp_throttle_comment_flood', 10, 3 ); add_filter( 'pre_comment_content', 'wp_rel_nofollow', 15 ); add_filter( 'comment_email', 'antispambot' ); add_filter( 'option_tag_base', '_wp_filter_taxonomy_base' ); add_filter( 'option_category_base', '_wp_filter_taxonomy_base' ); add_filter( 'the_posts', '_close_comments_for_old_posts', 10, 2); add_filter( 'comments_open', '_close_comments_for_old_post', 10, 2 ); add_filter( 'pings_open', '_close_comments_for_old_post', 10, 2 ); add_filter( 'editable_slug', 'urldecode' ); add_filter( 'editable_slug', 'esc_textarea' ); add_filter( 'nav_menu_meta_box_object', '_wp_nav_menu_meta_box_object' ); add_filter( 'pingback_ping_source_uri', 'pingback_ping_source_uri' ); add_filter( 'xmlrpc_pingback_error', 'xmlrpc_pingback_error' ); add_filter( 'http_request_host_is_external', 'allowed_http_request_hosts', 10, 2 ); // Actions add_action( 'wp_head', 'wp_enqueue_scripts', 1 ); add_action( 'wp_head', 'feed_links', 2 ); add_action( 'wp_head', 'feed_links_extra', 3 ); add_action( 'wp_head', 'rsd_link' ); add_action( 'wp_head', 'wlwmanifest_link' ); add_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 ); add_action( 'wp_head', 'locale_stylesheet' ); add_action( 'publish_future_post', 'check_and_publish_future_post', 10, 1 ); add_action( 'wp_head', 'noindex', 1 ); add_action( 'wp_head', 'wp_print_styles', 8 ); add_action( 'wp_head', 'wp_print_head_scripts', 9 ); add_action( 'wp_head', 'wp_generator' ); add_action( 'wp_head', 'rel_canonical' ); add_action( 'wp_footer', 'wp_print_footer_scripts', 20 ); add_action( 'wp_head', 'wp_shortlink_wp_head', 10, 0 ); add_action( 'template_redirect', 'wp_shortlink_header', 11, 0 ); add_action( 'wp_print_footer_scripts', '_wp_footer_scripts' ); add_action( 'init', 'check_theme_switched', 99 ); add_action( 'after_switch_theme', '_wp_sidebars_changed' ); if ( isset( $_GET['replytocom'] ) ) add_action( 'wp_head', 'wp_no_robots' ); // Login actions add_action( 'login_head', 'wp_print_head_scripts', 9 ); add_action( 'login_footer', 'wp_print_footer_scripts', 20 ); add_action( 'login_init', 'send_frame_options_header', 10, 0 ); // Feed Generator Tags foreach ( array( 'rss2_head', 'commentsrss2_head', 'rss_head', 'rdf_header', 'atom_head', 'comments_atom_head', 'opml_head', 'app_head' ) as $action ) { add_action( $action, 'the_generator' ); } // WP Cron if ( !defined( 'DOING_CRON' ) ) add_action( 'init', 'wp_cron' ); // 2 Actions 2 Furious add_action( 'do_feed_rdf', 'do_feed_rdf', 10, 1 ); add_action( 'do_feed_rss', 'do_feed_rss', 10, 1 ); add_action( 'do_feed_rss2', 'do_feed_rss2', 10, 1 ); add_action( 'do_feed_atom', 'do_feed_atom', 10, 1 ); add_action( 'do_pings', 'do_all_pings', 10, 1 ); add_action( 'do_robots', 'do_robots' ); add_action( 'set_comment_cookies', 'wp_set_comment_cookies', 10, 2 ); add_action( 'sanitize_comment_cookies', 'sanitize_comment_cookies' ); add_action( 'admin_print_scripts', 'print_head_scripts', 20 ); add_action( 'admin_print_footer_scripts', '_wp_footer_scripts' ); add_action( 'admin_print_styles', 'print_admin_styles', 20 ); add_action( 'init', 'smilies_init', 5 ); add_action( 'plugins_loaded', 'wp_maybe_load_widgets', 0 ); add_action( 'plugins_loaded', 'wp_maybe_load_embeds', 0 ); add_action( 'shutdown', 'wp_ob_end_flush_all', 1 ); add_action( 'post_updated', 'wp_save_post_revision', 10, 1 ); add_action( 'publish_post', '_publish_post_hook', 5, 1 ); add_action( 'transition_post_status', '_transition_post_status', 5, 3 ); add_action( 'transition_post_status', '_update_term_count_on_transition_post_status', 10, 3 ); add_action( 'comment_form', 'wp_comment_form_unfiltered_html_nonce' ); add_action( 'wp_scheduled_delete', 'wp_scheduled_delete' ); add_action( 'wp_scheduled_auto_draft_delete', 'wp_delete_auto_drafts' ); add_action( 'admin_init', 'send_frame_options_header', 10, 0 ); add_action( 'importer_scheduled_cleanup', 'wp_delete_attachment' ); add_action( 'upgrader_scheduled_cleanup', 'wp_delete_attachment' ); add_action( 'welcome_panel', 'wp_welcome_panel' ); // Navigation menu actions add_action( 'delete_post', '_wp_delete_post_menu_item' ); add_action( 'delete_term', '_wp_delete_tax_menu_item', 10, 3 ); add_action( 'transition_post_status', '_wp_auto_add_pages_to_menu', 10, 3 ); // Post Thumbnail CSS class filtering add_action( 'begin_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_add' ); add_action( 'end_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_remove' ); // Redirect Old Slugs add_action( 'template_redirect', 'wp_old_slug_redirect' ); add_action( 'post_updated', 'wp_check_for_changed_slugs', 12, 3 ); // Nonce check for Post Previews add_action( 'init', '_show_post_preview' ); // Timezone add_filter( 'pre_option_gmt_offset','wp_timezone_override_offset' ); // Admin Color Schemes add_action( 'admin_init', 'register_admin_color_schemes', 1); add_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' ); // If the upgrade hasn't run yet, assume link manager is used. add_filter( 'default_option_link_manager_enabled', '__return_true' ); // This option no longer exists; tell plugins we always support auto-embedding. add_filter( 'default_option_embed_autourls', '__return_true' ); // Default settings for heartbeat add_filter( 'heartbeat_settings', 'wp_heartbeat_settings' ); // Check if the user is logged out add_action( 'admin_enqueue_scripts', 'wp_auth_check_load' ); add_filter( 'heartbeat_received', 'wp_auth_check', 10, 2 ); add_filter( 'heartbeat_nopriv_received', 'wp_auth_check', 10, 2 ); // Default authentication filters add_filter( 'authenticate', 'wp_authenticate_username_password', 20, 3 ); add_filter( 'authenticate', 'wp_authenticate_spam_check', 99 ); unset($filter, $action);