mb_strlen

(PHP 4 >= 4.0.6, PHP 5, PHP 7)

mb_strlenGet string length

Description

mb_strlen ( string $string [, string|null $encoding = null ] ) : int

Gets the length of a string.

Parameters

string

The string being checked for length.

encoding

The encoding parameter is the character encoding. If it is omitted or null, the internal character encoding value will be used.

Return Values

Returns the number of characters in string string having character encoding encoding. A multi-byte character is counted as 1.

Errors/Exceptions

If the encoding is unknown, an error of level E_WARNING is generated.

Changelog

Version Description
8.0.0 encoding is nullable now.

See Also

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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.mb-strlen.php