Php/docs/function.strlen

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strlen

(PHP 4, PHP 5, PHP 7)

strlenGet string length


Description

strlen ( string $string ) : int

Returns the length of the given string.


Parameters

string
The string being measured for length.


Return Values

The length of the string on success, and 0 if the string is empty.


Examples

Example #1 A strlen() example

<?php$str = 'abcdef';echo strlen($str); // 6$str = ' ab cd ';echo strlen($str); // 7?>

Notes

Note:

strlen() returns the number of bytes rather than the number of characters in a string.

Note:

strlen() returns NULL when executed on arrays, and an E_WARNING level error is emitted.

See Also