protected function get_file_value( $value ) {
		$meta_key = $this->get_setting( 'meta_key' );

		if ( ! is_object( $value ) ) {
			return 0;
		}

		if ( empty( $meta_key ) ) {
			return $value->id;
		}

		if ( $value = get_post_meta( $value->id, $meta_key, true ) ) {
			return $value;
		}

		return 0;
	}
protected function get_file_value( $value ) {
		$meta_key = $this->get_setting( 'meta_key' );

		if ( ! is_object( $value ) ) {
			return 0;
		}

		if ( empty( $meta_key ) ) {
			return $value->id;
		}

		if ( $value = get_post_meta( $value->id, $meta_key, true ) ) {
			return $value;
		}

		return 0;
	}
protected function get_file_value ( $ value ) { $ meta_key = $ this -> get_setting ( 'meta_key' ) ; if ( ! is_object ( $ value ) ) { return 0 ; } if ( empty ( $ meta_key ) ) { return $ value -> id ; } if ( $ value = get_post_meta ( $ value -> id , $ meta_key , true ) ) { return $ value ; } return 0 ; }
Get matching value based on key from a file.

@param  mixed $value

@return mixed
Get matching value based on key from a file .