is_serialized_string()

最后更新于：2021-11-27 10:57:24

is_serialized_string( string$data)

Check whether serialized data is of string type.

参数

$data: (string) (Required) Serialized data.

响应

(bool) False if not a serialized string, true if it is.

源文件

文件: gc-includes/functions.php

function is_serialized_string( $data ) {
	// if it isn't a string, it isn't a serialized string.
	if ( ! is_string( $data ) ) {
		return false;
	}
	$data = trim( $data );
	if ( strlen( $data ) < 4 ) {
		return false;
	} elseif ( ':' !== $data[1] ) {
		return false;
	} elseif ( ';' !== substr( $data, -1 ) ) {
		return false;
	} elseif ( 's' !== $data[0] ) {
		return false;
	} elseif ( '"' !== substr( $data, -2, 1 ) ) {
		return false;
	} else {
		return true;
	}
}