X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/9e77185fafaf4e60e2b73821e0e4b9b1a11fb85f..d3947bc013df7edd54b46deed8230d2eeafc5ecb:/wp-includes/meta.php diff --git a/wp-includes/meta.php b/wp-includes/meta.php index e3c43cff..bfdd5956 100644 --- a/wp-includes/meta.php +++ b/wp-includes/meta.php @@ -1,6 +1,6 @@ get_var( $wpdb->prepare( "SELECT $id_column FROM $table WHERE meta_key = %s AND $column = %d", $meta_key, $object_id ) ) ) - return add_metadata($meta_type, $object_id, $meta_key, $passed_value); + $meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $id_column FROM $table WHERE meta_key = %s AND $column = %d", $meta_key, $object_id ) ); + if ( empty( $meta_ids ) ) { + return add_metadata( $meta_type, $object_id, $raw_meta_key, $passed_value ); + } $_meta_value = $meta_value; $meta_value = maybe_serialize( $meta_value ); @@ -208,33 +213,36 @@ function update_metadata($meta_type, $object_id, $meta_key, $meta_value, $prev_v $where['meta_value'] = $prev_value; } - /** - * Fires immediately before updating metadata of a specific type. - * - * The dynamic portion of the hook, $meta_type, refers to the meta - * object type (comment, post, or user). - * - * @since 2.9.0 - * - * @param int $meta_id ID of the metadata entry to update. - * @param int $object_id Object ID. - * @param string $meta_key Meta key. - * @param mixed $meta_value Meta value. - */ - do_action( "update_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); - - if ( 'post' == $meta_type ) + foreach ( $meta_ids as $meta_id ) { /** - * Fires immediately before updating a post's metadata. + * Fires immediately before updating metadata of a specific type. + * + * The dynamic portion of the hook, `$meta_type`, refers to the meta + * object type (comment, post, or user). * * @since 2.9.0 * - * @param int $meta_id ID of metadata entry to update. + * @param int $meta_id ID of the metadata entry to update. * @param int $object_id Object ID. * @param string $meta_key Meta key. * @param mixed $meta_value Meta value. */ - do_action( 'update_postmeta', $meta_id, $object_id, $meta_key, $meta_value ); + do_action( "update_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); + + if ( 'post' == $meta_type ) { + /** + * Fires immediately before updating a post's metadata. + * + * @since 2.9.0 + * + * @param int $meta_id ID of metadata entry to update. + * @param int $object_id Object ID. + * @param string $meta_key Meta key. + * @param mixed $meta_value Meta value. + */ + do_action( 'update_postmeta', $meta_id, $object_id, $meta_key, $meta_value ); + } + } $result = $wpdb->update( $table, $data, $where ); if ( ! $result ) @@ -242,24 +250,12 @@ function update_metadata($meta_type, $object_id, $meta_key, $meta_value, $prev_v wp_cache_delete($object_id, $meta_type . '_meta'); - /** - * Fires immediately after updating metadata of a specific type. - * - * The dynamic portion of the hook, $meta_type, refers to the meta - * object type (comment, post, or user). - * - * @since 2.9.0 - * - * @param int $meta_id ID of updated metadata entry. - * @param int $object_id Object ID. - * @param string $meta_key Meta key. - * @param mixed $meta_value Meta value. - */ - do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); - - if ( 'post' == $meta_type ) { + foreach ( $meta_ids as $meta_id ) { /** - * Fires immediately after updating a post's metadata. + * Fires immediately after updating metadata of a specific type. + * + * The dynamic portion of the hook, `$meta_type`, refers to the meta + * object type (comment, post, or user). * * @since 2.9.0 * @@ -268,7 +264,21 @@ function update_metadata($meta_type, $object_id, $meta_key, $meta_value, $prev_v * @param string $meta_key Meta key. * @param mixed $meta_value Meta value. */ - do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value ); + do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); + + if ( 'post' == $meta_type ) { + /** + * Fires immediately after updating a post's metadata. + * + * @since 2.9.0 + * + * @param int $meta_id ID of updated metadata entry. + * @param int $object_id Object ID. + * @param string $meta_key Meta key. + * @param mixed $meta_value Meta value. + */ + do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value ); + } } return true; @@ -278,16 +288,20 @@ function update_metadata($meta_type, $object_id, $meta_key, $meta_value, $prev_v * Delete metadata for the specified object. * * @since 2.9.0 - * @uses $wpdb WordPress database object for queries. * - * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) - * @param int $object_id ID of the object metadata is for - * @param string $meta_key Metadata key - * @param mixed $meta_value Optional. Metadata value. Must be serializable if non-scalar. If specified, only delete metadata entries - * with this value. Otherwise, delete all entries with the specified meta_key. - * @param bool $delete_all Optional, default is false. If true, delete matching metadata entries - * for all objects, ignoring the specified object_id. Otherwise, only delete matching - * metadata entries for the specified object_id. + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) + * @param int $object_id ID of the object metadata is for + * @param string $meta_key Metadata key + * @param mixed $meta_value Optional. Metadata value. Must be serializable if non-scalar. If specified, only delete + * metadata entries with this value. Otherwise, delete all entries with the specified meta_key. + * Pass `null, `false`, or an empty string to skip this check. (For backward compatibility, + * it is not possible to pass an empty string to delete those entries with an empty string + * for a value.) + * @param bool $delete_all Optional, default is false. If true, delete matching metadata entries for all objects, + * ignoring the specified object_id. Otherwise, only delete matching metadata entries for + * the specified object_id. * @return bool True on successful delete, false on failure. */ function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false) { @@ -316,7 +330,7 @@ function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $d /** * Filter whether to delete metadata of a specific type. * - * The dynamic portion of the hook, $meta_type, refers to the meta + * The dynamic portion of the hook, `$meta_type`, refers to the meta * object type (comment, post, or user). Returning a non-null value * will effectively short-circuit the function. * @@ -342,20 +356,26 @@ function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $d if ( !$delete_all ) $query .= $wpdb->prepare(" AND $type_column = %d", $object_id ); - if ( $meta_value ) + if ( '' !== $meta_value && null !== $meta_value && false !== $meta_value ) $query .= $wpdb->prepare(" AND meta_value = %s", $meta_value ); $meta_ids = $wpdb->get_col( $query ); if ( !count( $meta_ids ) ) return false; - if ( $delete_all ) - $object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s", $meta_key ) ); + if ( $delete_all ) { + $value_clause = ''; + if ( '' !== $meta_value && null !== $meta_value && false !== $meta_value ) { + $value_clause = $wpdb->prepare( " AND meta_value = %s", $meta_value ); + } + + $object_ids = $wpdb->get_col( $wpdb->prepare( "SELECT $type_column FROM $table WHERE meta_key = %s $value_clause", $meta_key ) ); + } /** * Fires immediately before deleting metadata of a specific type. * - * The dynamic portion of the hook, $meta_type, refers to the meta + * The dynamic portion of the hook, `$meta_type`, refers to the meta * object type (comment, post, or user). * * @since 3.1.0 @@ -397,7 +417,7 @@ function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $d /** * Fires immediately after deleting metadata of a specific type. * - * The dynamic portion of the hook name, $meta_type, refers to the meta + * The dynamic portion of the hook name, `$meta_type`, refers to the meta * object type (comment, post, or user). * * @since 2.9.0 @@ -430,12 +450,13 @@ function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $d * @since 2.9.0 * * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) - * @param int $object_id ID of the object metadata is for - * @param string $meta_key Optional. Metadata key. If not specified, retrieve all metadata for - * the specified object. - * @param bool $single Optional, default is false. If true, return only the first value of the - * specified meta_key. This parameter has no effect if meta_key is not specified. - * @return string|array Single metadata value, or array of values + * @param int $object_id ID of the object metadata is for + * @param string $meta_key Optional. Metadata key. If not specified, retrieve all metadata for + * the specified object. + * @param bool $single Optional, default is false. + * If true, return only the first value of the specified meta_key. + * This parameter has no effect if meta_key is not specified. + * @return mixed Single metadata value, or array of values */ function get_metadata($meta_type, $object_id, $meta_key = '', $single = false) { if ( ! $meta_type || ! is_numeric( $object_id ) ) { @@ -450,18 +471,17 @@ function get_metadata($meta_type, $object_id, $meta_key = '', $single = false) { /** * Filter whether to retrieve metadata of a specific type. * - * The dynamic portion of the hook, $meta_type, refers to the meta + * The dynamic portion of the hook, `$meta_type`, refers to the meta * object type (comment, post, or user). Returning a non-null value * will effectively short-circuit the function. * * @since 3.1.0 * - * @param null|array|string $value The value get_metadata() should - * return - a single metadata value, + * @param null|array|string $value The value get_metadata() should return - a single metadata value, * or an array of values. * @param int $object_id Object ID. * @param string $meta_key Meta key. - * @param string|array $single Meta value, or an array of values. + * @param bool $single Whether to return only the first value of the specified $meta_key. */ $check = apply_filters( "get_{$meta_type}_metadata", null, $object_id, $meta_key, $single ); if ( null !== $check ) { @@ -478,8 +498,9 @@ function get_metadata($meta_type, $object_id, $meta_key = '', $single = false) { $meta_cache = $meta_cache[$object_id]; } - if ( !$meta_key ) + if ( ! $meta_key ) { return $meta_cache; + } if ( isset($meta_cache[$meta_key]) ) { if ( $single ) @@ -500,9 +521,9 @@ function get_metadata($meta_type, $object_id, $meta_key = '', $single = false) { * @since 3.3.0 * * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) - * @param int $object_id ID of the object metadata is for - * @param string $meta_key Metadata key. - * @return boolean true of the key is set, false if not. + * @param int $object_id ID of the object metadata is for + * @param string $meta_key Metadata key. + * @return bool True of the key is set, false if not. */ function metadata_exists( $meta_type, $object_id, $meta_key ) { if ( ! $meta_type || ! is_numeric( $object_id ) ) { @@ -537,9 +558,11 @@ function metadata_exists( $meta_type, $object_id, $meta_key ) { * * @since 3.3.0 * - * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) - * @param int $meta_id ID for a specific meta row - * @return object Meta object or false. + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $meta_type Type of object metadata is for (e.g., comment, post, term, or user). + * @param int $meta_id ID for a specific meta row + * @return object|false Meta object or false. */ function get_metadata_by_mid( $meta_type, $meta_id ) { global $wpdb; @@ -576,13 +599,12 @@ function get_metadata_by_mid( $meta_type, $meta_id ) { * * @since 3.3.0 * - * @uses get_metadata_by_mid() Calls get_metadata_by_mid() to fetch the meta key, value - * and object_id of the given meta_id. + * @global wpdb $wpdb WordPress database abstraction object. * - * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) - * @param int $meta_id ID for a specific meta row + * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) + * @param int $meta_id ID for a specific meta row * @param string $meta_value Metadata value - * @param string $meta_key Optional, you can provide a meta key to update it + * @param string $meta_key Optional, you can provide a meta key to update it * @return bool True on successful update, false on failure. */ function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = false ) { @@ -670,11 +692,10 @@ function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = * * @since 3.3.0 * - * @uses get_metadata_by_mid() Calls get_metadata_by_mid() to fetch the meta key, value - * and object_id of the given meta_id. + * @global wpdb $wpdb WordPress database abstraction object. * - * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) - * @param int $meta_id ID for a specific meta row + * @param string $meta_type Type of object metadata is for (e.g., comment, post, term, or user). + * @param int $meta_id ID for a specific meta row * @return bool True on successful delete, false on failure. */ function delete_metadata_by_mid( $meta_type, $meta_id ) { @@ -711,7 +732,7 @@ function delete_metadata_by_mid( $meta_type, $meta_id ) { /** * Fires immediately before deleting post or comment metadata of a specific type. * - * The dynamic portion of the hook, $meta_type, refers to the meta + * The dynamic portion of the hook, `$meta_type`, refers to the meta * object type (post or comment). * * @since 3.4.0 @@ -735,7 +756,7 @@ function delete_metadata_by_mid( $meta_type, $meta_id ) { /** * Fires immediately after deleting post or comment metadata of a specific type. * - * The dynamic portion of the hook, $meta_type, refers to the meta + * The dynamic portion of the hook, `$meta_type`, refers to the meta * object type (post or comment). * * @since 3.4.0 @@ -757,11 +778,12 @@ function delete_metadata_by_mid( $meta_type, $meta_id ) { * Update the metadata cache for the specified objects. * * @since 2.9.0 - * @uses $wpdb WordPress database object for queries. * - * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) - * @param int|array $object_ids array or comma delimited list of object IDs to update cache for - * @return mixed Metadata cache for the specified objects, or false on failure. + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $meta_type Type of object metadata is for (e.g., comment, post, or user) + * @param int|array $object_ids Array or comma delimited list of object IDs to update cache for + * @return array|false Metadata cache for the specified objects, or false on failure. */ function update_meta_cache($meta_type, $object_ids) { global $wpdb; @@ -830,307 +852,50 @@ function update_meta_cache($meta_type, $object_ids) { } /** - * Given a meta query, generates SQL clauses to be appended to a main query + * Retrieves the queue for lazy-loading metadata. * - * @since 3.2.0 - * - * @see WP_Meta_Query + * @since 4.5.0 * - * @param array $meta_query A meta query - * @param string $type Type of meta - * @param string $primary_table - * @param string $primary_id_column - * @param object $context (optional) The main query object - * @return array( 'join' => $join_sql, 'where' => $where_sql ) + * @return WP_Metadata_Lazyloader $lazyloader Metadata lazyloader queue. */ -function get_meta_sql( $meta_query, $type, $primary_table, $primary_id_column, $context = null ) { - $meta_query_obj = new WP_Meta_Query( $meta_query ); - return $meta_query_obj->get_sql( $type, $primary_table, $primary_id_column, $context ); +function wp_metadata_lazyloader() { + static $wp_metadata_lazyloader; + + if ( null === $wp_metadata_lazyloader ) { + $wp_metadata_lazyloader = new WP_Metadata_Lazyloader(); + } + + return $wp_metadata_lazyloader; } /** - * Container class for a multiple metadata query + * Given a meta query, generates SQL clauses to be appended to a main query. * * @since 3.2.0 + * + * @see WP_Meta_Query + * + * @param array $meta_query A meta query. + * @param string $type Type of meta. + * @param string $primary_table Primary database table name. + * @param string $primary_id_column Primary ID column name. + * @param object $context Optional. The main query object + * @return array Associative array of `JOIN` and `WHERE` SQL. */ -class WP_Meta_Query { - /** - * List of metadata queries. A single query is an associative array: - * - 'key' string The meta key - * - 'value' string|array The meta value - * - 'compare' (optional) string How to compare the key to the value. - * Possible values: '=', '!=', '>', '>=', '<', '<=', 'LIKE', 'NOT LIKE', 'IN', 'NOT IN', - * 'BETWEEN', 'NOT BETWEEN', 'REGEXP', 'NOT REGEXP', 'RLIKE'. - * Default: '=' - * - 'type' string (optional) The type of the value. - * Possible values: 'NUMERIC', 'BINARY', 'CHAR', 'DATE', 'DATETIME', 'DECIMAL', 'SIGNED', 'TIME', 'UNSIGNED'. - * Default: 'CHAR' - * - * @since 3.2.0 - * @access public - * @var array - */ - public $queries = array(); - - /** - * The relation between the queries. Can be one of 'AND' or 'OR'. - * - * @since 3.2.0 - * @access public - * @var string - */ - public $relation; - - /** - * Constructor - * - * @param array $meta_query (optional) A meta query - */ - public function __construct( $meta_query = false ) { - if ( !$meta_query ) - return; - - if ( isset( $meta_query['relation'] ) && strtoupper( $meta_query['relation'] ) == 'OR' ) { - $this->relation = 'OR'; - } else { - $this->relation = 'AND'; - } - - $this->queries = array(); - - foreach ( $meta_query as $key => $query ) { - if ( ! is_array( $query ) ) - continue; - - $this->queries[] = $query; - } - } - - /** - * Constructs a meta query based on 'meta_*' query vars - * - * @since 3.2.0 - * @access public - * - * @param array $qv The query variables - */ - public function parse_query_vars( $qv ) { - $meta_query = array(); - - // Simple query needs to be first for orderby=meta_value to work correctly - foreach ( array( 'key', 'compare', 'type' ) as $key ) { - if ( !empty( $qv[ "meta_$key" ] ) ) - $meta_query[0][ $key ] = $qv[ "meta_$key" ]; - } - - // WP_Query sets 'meta_value' = '' by default - if ( isset( $qv[ 'meta_value' ] ) && '' !== $qv[ 'meta_value' ] && ( ! is_array( $qv[ 'meta_value' ] ) || $qv[ 'meta_value' ] ) ) - $meta_query[0]['value'] = $qv[ 'meta_value' ]; - - if ( !empty( $qv['meta_query'] ) && is_array( $qv['meta_query'] ) ) { - $meta_query = array_merge( $meta_query, $qv['meta_query'] ); - } - - $this->__construct( $meta_query ); - } - - /** - * Given a meta type, return the appropriate alias if applicable - * - * @since 3.7.0 - * - * @param string $type MySQL type to cast meta_value - * @return string MySQL type - */ - public function get_cast_for_type( $type = '' ) { - if ( empty( $type ) ) - return 'CHAR'; - - $meta_type = strtoupper( $type ); - - if ( ! preg_match( '/^(?:BINARY|CHAR|DATE|DATETIME|SIGNED|UNSIGNED|TIME|NUMERIC(?:\(\d+(?:,\s?\d+)?\))?|DECIMAL(?:\(\d+(?:,\s?\d+)?\))?)$/', $meta_type ) ) - return 'CHAR'; - - if ( 'NUMERIC' == $meta_type ) - $meta_type = 'SIGNED'; - - return $meta_type; - } - - /** - * Generates SQL clauses to be appended to a main query. - * - * @since 3.2.0 - * @access public - * - * @param string $type Type of meta - * @param string $primary_table - * @param string $primary_id_column - * @param object $context (optional) The main query object - * @return array( 'join' => $join_sql, 'where' => $where_sql ) - */ - public function get_sql( $type, $primary_table, $primary_id_column, $context = null ) { - global $wpdb; - - if ( ! $meta_table = _get_meta_table( $type ) ) - return false; - - $meta_id_column = sanitize_key( $type . '_id' ); - - $join = array(); - $where = array(); - - $key_only_queries = array(); - $queries = array(); - - // Split out the queries with empty arrays as value - foreach ( $this->queries as $k => $q ) { - if ( isset( $q['value'] ) && is_array( $q['value'] ) && empty( $q['value'] ) ) { - $key_only_queries[$k] = $q; - unset( $this->queries[$k] ); - } - } - - // Split out the meta_key only queries (we can only do this for OR) - if ( 'OR' == $this->relation ) { - foreach ( $this->queries as $k => $q ) { - if ( ( empty( $q['compare'] ) || 'NOT EXISTS' != $q['compare'] ) && ! array_key_exists( 'value', $q ) && ! empty( $q['key'] ) ) - $key_only_queries[$k] = $q; - else - $queries[$k] = $q; - } - } else { - $queries = $this->queries; - } - - // Specify all the meta_key only queries in one go - if ( $key_only_queries ) { - $join[] = "INNER JOIN $meta_table ON $primary_table.$primary_id_column = $meta_table.$meta_id_column"; - - foreach ( $key_only_queries as $key => $q ) - $where["key-only-$key"] = $wpdb->prepare( "$meta_table.meta_key = %s", trim( $q['key'] ) ); - } - - foreach ( $queries as $k => $q ) { - $meta_key = isset( $q['key'] ) ? trim( $q['key'] ) : ''; - $meta_type = $this->get_cast_for_type( isset( $q['type'] ) ? $q['type'] : '' ); - - if ( array_key_exists( 'value', $q ) && is_null( $q['value'] ) ) - $q['value'] = ''; - - $meta_value = isset( $q['value'] ) ? $q['value'] : null; - - if ( isset( $q['compare'] ) ) - $meta_compare = strtoupper( $q['compare'] ); - else - $meta_compare = is_array( $meta_value ) ? 'IN' : '='; - - if ( ! in_array( $meta_compare, array( - '=', '!=', '>', '>=', '<', '<=', - 'LIKE', 'NOT LIKE', - 'IN', 'NOT IN', - 'BETWEEN', 'NOT BETWEEN', - 'NOT EXISTS', - 'REGEXP', 'NOT REGEXP', 'RLIKE' - ) ) ) - $meta_compare = '='; - - $i = count( $join ); - $alias = $i ? 'mt' . $i : $meta_table; - - if ( 'NOT EXISTS' == $meta_compare ) { - $join[$i] = "LEFT JOIN $meta_table"; - $join[$i] .= $i ? " AS $alias" : ''; - $join[$i] .= " ON ($primary_table.$primary_id_column = $alias.$meta_id_column AND $alias.meta_key = '$meta_key')"; - - $where[$k] = ' ' . $alias . '.' . $meta_id_column . ' IS NULL'; - - continue; - } - - $join[$i] = "INNER JOIN $meta_table"; - $join[$i] .= $i ? " AS $alias" : ''; - $join[$i] .= " ON ($primary_table.$primary_id_column = $alias.$meta_id_column)"; - - $where[$k] = ''; - if ( !empty( $meta_key ) ) - $where[$k] = $wpdb->prepare( "$alias.meta_key = %s", $meta_key ); - - if ( is_null( $meta_value ) ) { - if ( empty( $where[$k] ) ) - unset( $join[$i] ); - continue; - } - - if ( in_array( $meta_compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ) ) ) { - if ( ! is_array( $meta_value ) ) - $meta_value = preg_split( '/[,\s]+/', $meta_value ); - - if ( empty( $meta_value ) ) { - unset( $join[$i] ); - continue; - } - } else { - $meta_value = trim( $meta_value ); - } - - if ( 'IN' == substr( $meta_compare, -2) ) { - $meta_compare_string = '(' . substr( str_repeat( ',%s', count( $meta_value ) ), 1 ) . ')'; - } elseif ( 'BETWEEN' == substr( $meta_compare, -7) ) { - $meta_value = array_slice( $meta_value, 0, 2 ); - $meta_compare_string = '%s AND %s'; - } elseif ( 'LIKE' == $meta_compare || 'NOT LIKE' == $meta_compare ) { - $meta_value = '%' . $wpdb->esc_like( $meta_value ) . '%'; - $meta_compare_string = '%s'; - } else { - $meta_compare_string = '%s'; - } - - if ( ! empty( $where[$k] ) ) - $where[$k] .= ' AND '; - - $where[$k] = ' (' . $where[$k] . $wpdb->prepare( "CAST($alias.meta_value AS {$meta_type}) {$meta_compare} {$meta_compare_string})", $meta_value ); - } - - $where = array_filter( $where ); - - if ( empty( $where ) ) - $where = ''; - else - $where = ' AND (' . implode( "\n{$this->relation} ", $where ) . ' )'; - - $join = implode( "\n", $join ); - if ( ! empty( $join ) ) - $join = ' ' . $join; - - /** - * Filter the meta query's generated SQL. - * - * @since 3.1.0 - * - * @param array $args { - * An array of arguments. - * - * @type array $clauses Array containing the query's JOIN and WHERE clauses. - * @type array $queries Array of meta queries. - * @type string $type Type of meta. - * @type string $primary_table Primary table. - * @type string $primary_id_column Primary column ID. - * @type object $context The main query object. - * } - */ - return apply_filters_ref_array( 'get_meta_sql', array( compact( 'join', 'where' ), $this->queries, $type, $primary_table, $primary_id_column, $context ) ); - } +function get_meta_sql( $meta_query, $type, $primary_table, $primary_id_column, $context = null ) { + $meta_query_obj = new WP_Meta_Query( $meta_query ); + return $meta_query_obj->get_sql( $type, $primary_table, $primary_id_column, $context ); } /** * Retrieve the name of the metadata table for the specified object type. * * @since 2.9.0 - * @uses $wpdb WordPress database object for queries. + * + * @global wpdb $wpdb WordPress database abstraction object. * * @param string $type Type of object to get metadata table for (e.g., comment, post, or user) - * @return mixed Metadata table name, or false if no metadata table exists + * @return string|false Metadata table name, or false if no metadata table exists */ function _get_meta_table($type) { global $wpdb; @@ -1148,7 +913,8 @@ function _get_meta_table($type) { * * @since 3.1.3 * - * @param string $meta_key Meta key + * @param string $meta_key Meta key + * @param string|null $meta_type * @return bool True if the key is protected, false otherwise. */ function is_protected_meta( $meta_key, $meta_type = null ) { @@ -1171,9 +937,9 @@ function is_protected_meta( $meta_key, $meta_type = null ) { * * @since 3.1.3 * - * @param string $meta_key Meta key - * @param mixed $meta_value Meta value to sanitize - * @param string $meta_type Type of meta + * @param string $meta_key Meta key + * @param mixed $meta_value Meta value to sanitize + * @param string $meta_type Type of meta * @return mixed Sanitized $meta_value */ function sanitize_meta( $meta_key, $meta_value, $meta_type ) { @@ -1181,8 +947,9 @@ function sanitize_meta( $meta_key, $meta_value, $meta_type ) { /** * Filter the sanitization of a specific meta key of a specific meta type. * - * The dynamic portions of the hook name, $meta_type and $meta_key, refer to the - * metadata object type (comment, post, or user) and the meta key value, + * The dynamic portions of the hook name, `$meta_type`, and `$meta_key`, + * refer to the metadata object type (comment, post, or user) and the meta + * key value, * respectively. * * @since 3.3.0 @@ -1199,11 +966,10 @@ function sanitize_meta( $meta_key, $meta_value, $meta_type ) { * * @since 3.3.0 * - * @param string $meta_type Type of meta - * @param string $meta_key Meta key + * @param string $meta_type Type of meta + * @param string $meta_key Meta key * @param string|array $sanitize_callback A function or method to call when sanitizing the value of $meta_key. - * @param string|array $auth_callback Optional. A function or method to call when performing edit_post_meta, add_post_meta, and delete_post_meta capability checks. - * @param array $args Arguments + * @param string|array $auth_callback Optional. A function or method to call when performing edit_post_meta, add_post_meta, and delete_post_meta capability checks. */ function register_meta( $meta_type, $meta_key, $sanitize_callback, $auth_callback = null ) { if ( is_callable( $sanitize_callback ) )