common/models/base/Meta.php
public static function isExistByNameType( $modelId, $name, $type ) {

		$meta = self::findByNameType( $modelId, $type, $name );

		return isset( $meta );
	}
public static function isExistByNameType( $modelId, $name, $type ) {

		$meta = self::findByNameType( $modelId, $type, $name );

		return isset( $meta );
	}
public static function isExistByNameType ( $ modelId , $ name , $ type ) { $ meta = self :: findByNameType ( $ modelId , $ type , $ name ) ; return isset ( $ meta ) ; }
Check whether meta exist by parent id, meta name and meta type.

@param integer $modelId Parent Id.
@param string $name
@param string $type
@return boolean
Check whether meta exist by parent id meta name and meta type .