Returns the length of the initial segment of str1 which consists entirely of characters in str2.
The line of code:
<?php
$var = strspn("42 is the answer, what is the question ...", "1234567890");
?>will assign 2 to $var, because the string "42" will be the longest segment containing characters from "1234567890".
See also strcspn().
| This HTML Help has been published using the chm2web software. |