Php/docs/function.strlen
From Get docs
strlen
(PHP 4, PHP 5, PHP 7)
strlen — Get 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 anE_WARNING
level error is emitted.
See Also
- count() - Count all elements in an array, or something in an object
- grapheme_strlen() - Get string length in grapheme units
- iconv_strlen() - Returns the character count of string
- mb_strlen() - Get string length