Description
int strlen
( string $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.