Description
$string
) : int
Returns the length of the given string.
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
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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