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 initial segment of a string consisting entirely of characters contained within a given mask.
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