strcspn
(PHP 4, PHP 5)
strcspn — Find length of initial segment not matching mask
Description
int strcspn
( string $str1
, string $str2
[, int $start
[, int $length
]] )
Returns the length of the initial segment of str1 which does not contain any of the characters in str2.
Parameters
- str1
-
The first string.
- str2
-
The second string.
- start
-
The start position of the string to examine.
- length
-
The length of the string to examine.
Return Values
Returns the length of the segment as an integer.
Changelog
| Version | Description |
|---|---|
| 4.3.0 | The start and length were added |
Examples
Example #1 strcspn() example
<?php
$a = strcspn('abcd', 'apple');
$b = strcspn('abcd', 'banana');
$c = strcspn('hello', 'l');
$d = strcspn('hello', 'world');
var_dump($a);
var_dump($b);
var_dump($c);
var_dump($d);
?>
The above example will output:
int(0) int(0) int(2) int(2)
Notes
Note: This function is binary-safe.
See Also
- strspn() - Finds the length of the first segment of a string consisting entirely of characters contained within a given mask.