maybe_unserialize( string $original )

仅当值已序列化时才取消序列化。
Unserialize value only if it was serialized.

目录锚点：#参数#返回#源码

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参数（Parameters）

返回（Return）

（mixed）未序列化的数据可以是任何类型。

源码（Source）

/**
 * Unserialize value only if it was serialized.
 *
 * @since 2.0.0
 *
 * @param string $original Maybe unserialized original, if is needed.
 * @return mixed Unserialized data can be any type.
 */
function maybe_unserialize( $original ) {
	if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in
		return @unserialize( $original );
	return $original;
}