note 74474 added to function.strrpos
| From: | jafet at g dot m dot a dot i dot l dot com | Date: | Fri, 13 Apr 2007 02:08:56 +0000 |
| Subject: | note 74474 added to function.strrpos | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-125348@lists.php.net to get a copy of this message | ||
It would probably be good if someone would care to merge these little thoughts together...
<?php
function super_conforming_strrpos($haystack, $needle, $offset = 0)
{
# Why does strpos() do this? Anyway...
if(!is_string($needle)) $needle = ord(intval($needle));
if(!is_string($haystack)) $haystack = strval($haystack);
# Setup
$offset = intval($offset);
$hlen = strlen($haystack);
$nlen = strlen($needle);
# Intermezzo
if($nlen == 0)
{
trigger_error(__FUNCTION__.'(): Empty delimiter.', E_USER_WARNING);
return false;
}
if($offset < 0)
{
$haystack = substr($haystack, -$offset);
$offset = 0;
}
elseif($offset >= $hlen)
{
trigger_error(__FUNCTION__.'(): Offset not contained in string.', E_USER_WARNING);
return false;
}
# More setup
$hrev = strrev($haystack);
$nrev = strrev($needle);
# Search
$pos = strpos($hrev, $nrev, $offset);
if($pos === false) return false;
else return $hlen - $nlen - $pos;
}
?>
----
Server IP: 202.157.183.147
Probable Submitter: 60.48.241.127
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Manual Page -- http://www.php.net/manual/en/function.strrpos.php
Edit -- https://master.php.net/note/edit/74474
Del: integrated -- https://master.php.net/note/delete/74474/integrated
Del: useless -- https://master.php.net/note/delete/74474/useless
Del: bad code -- https://master.php.net/note/delete/74474/bad+code
Del: spam -- https://master.php.net/note/delete/74474/spam
Del: non-english -- https://master.php.net/note/delete/74474/non-english
Del: in docs -- https://master.php.net/note/delete/74474/in+docs
Del: other reasons-- https://master.php.net/note/delete/74474
Reject -- https://master.php.net/note/reject/74474
Search -- https://master.php.net/manage/user-notes.php