(PHP 3, PHP 4, PHP 5)
Returns the length of the given string.
string
The string being measured for length.
The length of the string on success, and 0 if the string is empty.
Przykład 1. A strlen() example
<?php$str = 'abcdef';echo strlen($str); // 6$str = ' ab cd ';echo strlen($str); // 7?>