(PHP 4, PHP 5)
strspn — Find length of initial segment matching mask
Finds the length of the initial segment matching mask.
The line of code:
<?php
$var = strspn("42 is the answer, what is the question ...", "1234567890");
?>
The first string.
The second string.
The start position of the string to examine.
The length of the string to examine.
Returns the length of the initial segment of str1 which consists entirely of characters in str2 .
Version | Description |
---|---|
4.3.0 | The start and length parameters were added |
Example#1 strspn() example
<?php
echo strspn("foo", "o", 1, 2); // 2
?>
Note: This function is binary-safe.