update_metadata_by_mid [ WordPress Function ]
update_metadata_by_mid ( $meta_type, $meta_id, $meta_value, $meta_key = false )
| Parameters: |
|
| Uses: | |
| Returns: |
|
| Defined at: |
|
Soorgelijke functies: delete_metadata_by_mid, get_metadata_by_mid, update_metadata, update_meta, delete_metadata
Update meta data by meta ID
Source
<?php
function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = false ) {
global $wpdb;
// Make sure everything is valid.
if ( ! $meta_type )
return false;
if ( ! $meta_id = absint( $meta_id ) )
return false;
if ( ! $table = _get_meta_table( $meta_type ) )
return false;
$column = esc_sql($meta_type . '_id');
$id_column = 'user' == $meta_type ? 'umeta_id' : 'meta_id';
// Fetch the meta and go on if it's found.
if ( $meta = get_metadata_by_mid( $meta_type, $meta_id ) ) {
$original_key = $meta->meta_key;
$original_value = $meta->meta_value;
$object_id = $meta->{$column};
// If a new meta_key (last parameter) was specified, change the meta key,
// otherwise use the original key in the update statement.
if ( false === $meta_key ) {
$meta_key = $original_key;
} elseif ( ! is_string( $meta_key ) ) {
return false;
}
// Sanitize the meta
$_meta_value = $meta_value;
$meta_value = sanitize_meta( $meta_key, $meta_value, $meta_type );
$meta_value = maybe_serialize( $meta_value );
// Format the data query arguments.
$data = array(
'meta_key' => $meta_key,
'meta_value' => $meta_value
);
// Format the where query arguments.
$where = array();
$where[$id_column] = $meta_id;
do_action( "update_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
if ( 'post' == $meta_type )
do_action( 'update_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
// Run the update query, all fields in $data are %s, $where is a %d.
$result = (bool) $wpdb->update( $table, $data, $where, '%s', '%d' );
// Clear the caches.
wp_cache_delete($object_id, $meta_type . '_meta');
do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
if ( 'post' == $meta_type )
do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
return $result;
}
// And if the meta was not found.
return false;
}
?>
Examples [ wp-snippets.com ]
Top Google zoekresultaten
- update_metadata_by_mid() WordPress function reference ...
update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $meta_key = false ). meta_type: (string) Type of object metadata is for (e.g., comment, post, ...
queryposts.com - update_metadata_by_mid | A HitchHackers guide through WordPress
Dec 13, 2011 ... function update_metadata_by_mid( $meta_type, $meta_id, $meta_value, $ meta_key = false ) { global $wpdb; // Make sure everything is valid. if ...
hitchhackerguide.com - WordPress › Support » How can i change protected params. XMLRPC.
$pmeta->meta_key ) continue; if ( current_user_can( 'edit_post_meta', $post_id, $meta['key'] ) ) update_metadata_by_mid( 'post', $meta['id'], $meta['value'] ) ...
wordpress.org - Docs for page meta.php
bool update_metadata_by_mid (string $meta_type, int $meta_id, string $ meta_value, [string $meta_key = false]). string $meta_type: Type of object metadata is ...
phpdoc.wordpress.org
