note 40617 modified in function.strpos by danbrown
| From: | danbrown@php.net | Date: | Sun, 17 May 2009 16:44:09 +0000 |
| Subject: | note 40617 modified in function.strpos by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-154885@lists.php.net to get a copy of this message | ||
counting the occurrences of a substring, recursive-style instead of looping.
<?php
function countSubstrs($haystack, $needle)
{
return (($p = strpos($haystack, $needle)) === false) ? 0 : (1 + countSubstrs(substr($haystack,
$p+1), $needle));
}
?>
--was--
counting the occurrences of a substring, recursive-style instead of looping.
<?
function countSubstrs($haystack, $needle)
{
return (($p = strpos($haystack, $needle)) === false) ? 0 : (1 + countSubstrs(substr($haystack,
$p+1), $needle));
}
?>
http://php.net/manual/en/function.strpos.php