delete_metadata [ WordPress Function ]
delete_metadata ( $meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false )
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Benzer Fonksiyonlar: delete_meta, get_metadata, delete_metadata_by_mid, update_metadata, add_metadata
Delete metadata for the specified object.
Source
<?php
function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false) {
if ( !$meta_type || !$meta_key )
return false;
if ( (!$object_id = absint($object_id)) && !$delete_all )
return false;
if ( ! $table = _get_meta_table($meta_type) )
return false;
global $wpdb;
$type_column = esc_sql($meta_type . '_id');
$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
// expected_slashed ($meta_key)
$meta_key = stripslashes($meta_key);
$meta_value = stripslashes_deep($meta_value);
$check = apply_filters( "delete_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $delete_all );
if ( null !== $check )
return (bool) $check;
$_meta_value = $meta_value;
$meta_value = maybe_serialize( $meta_value );
$query = $wpdb->prepare( "SELECT $id_column FROM $table WHERE meta_key = %s", $meta_key );
if ( !$delete_all )
$query .= $wpdb->prepare(" AND $type_column = %d", $object_id );
if ( $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", $meta_key ) );
do_action( "delete_{$meta_type}_meta", $meta_ids, $object_id, $meta_key, $_meta_value );
// Old-style action.
if ( 'post' == $meta_type )
do_action( 'delete_postmeta', $meta_ids );
$query = "DELETE FROM $table WHERE $id_column IN( " . implode( ',', $meta_ids ) . " )";
$count = $wpdb->query($query);
if ( !$count )
return false;
if ( $delete_all ) {
foreach ( (array) $object_ids as $o_id ) {
wp_cache_delete($o_id, $meta_type . '_meta');
}
} else {
wp_cache_delete($object_id, $meta_type . '_meta');
}
do_action( "deleted_{$meta_type}_meta", $meta_ids, $object_id, $meta_key, $_meta_value );
// Old-style action.
if ( 'post' == $meta_type )
do_action( 'deleted_postmeta', $meta_ids );
return true;
}
?>
Examples [ wp-snippets.com ]
Google Arama Sonuçlarý
- Function Reference/delete metadata « WordPress Codex
Description. Delete metadata for the specified object. Calls 'deleted_{$meta_type }_meta' after deleting with meta_id of deleted metadata entries, object ID, meta ...
codex.wordpress.org - Docs for page meta.php
Delete metadata for the specified object. ... bool delete_metadata (string $ meta_type, int $object_id, string $meta_key, [string $meta_value = ''], [bool $ delete_all ...
phpdoc.wordpress.org - delete_metadata | A HitchHackers guide through WordPress
Feb 11, 2011 ... function delete_metadata($meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false) { if ( !$meta_type || !$meta_key ) return ...
hitchhackerguide.com - delete_metadata() WordPress function reference, arguments and ...
Delete metadata for the specified object. Signature. delete_metadata( $ meta_type, $object_id, $meta_key, $meta_value = '', $delete_all = false ). meta_type ...
queryposts.com
