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get_metadata_by_mid ›

Seit3.3.0
Veraltetn/v
› get_metadata_by_mid ( $meta_type, $meta_id )
Parameter: (2)
  • (string) $meta_type Type of object metadata is for (e.g., comment, post, term, or user).
    Erforderlich: Ja
  • (int) $meta_id ID for a specific meta row
    Erforderlich: Ja
Gibt zurück:
  • (object|false) Meta object or false.
Definiert in:
Codex:

Get meta data by meta ID



Ähnliche Funktionen: delete_metadata_by_mid, update_metadata_by_mid, get_metadata, get_post_meta_by_id, _get_meta_table

Quellcode 

function get_metadata_by_mid( $meta_type, $meta_id ) {
	global $wpdb;

	if ( ! $meta_type || ! is_numeric( $meta_id ) || floor( $meta_id ) != $meta_id ) {
		return false;
	}

	$meta_id = intval( $meta_id );
	if ( $meta_id <= 0 ) {
		return false;
	}

	$table = _get_meta_table( $meta_type );
	if ( ! $table ) {
		return false;
	}

	$id_column = ( 'user' == $meta_type ) ? 'umeta_id' : 'meta_id';

	$meta = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $table WHERE $id_column = %d", $meta_id ) );

	if ( empty( $meta ) ) {
		return false;
	}

	if ( isset( $meta->meta_value ) ) {
		$meta->meta_value = maybe_unserialize( $meta->meta_value );
	}

	return $meta;
}