strlen
strlen
(PHP 4, PHP 5, PHP 7)
strlen — Get string length
Description
int strlen ( string $string )
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.
Changelog
| Version | Description |
|---|---|
| 5.3.0 | Prior versions treated arrays as the string Array, thus returning a string length of 5 and emitting an E_NOTICE level error. |
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
NULLwhen executed on arrays, and anE_WARNINGlevel 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
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.strlen.php
