Question

is_serialized_string( string $data )

Check whether serialized data is of string type.

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description

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参数

$data

(string) (Required) Serialized data.

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返回值

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

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源代码

File: wp-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 ( $data[0] !== 's' ) {
		return false;
	} elseif ( '"' !== substr( $data, -2, 1 ) ) {
		return false;
	} else {
		return true;
	}
}

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更新日志

Version	description
2.0.5	Introduced.

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相关函数

Used By

• wp-admin/includes/template.php: _list_meta_row()

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User Contributed Notes