note 94469 added to function.strpos
| From: | Achintya at osu1 dot php dot net | Date: | Fri, 06 Nov 2009 22:03:34 +0000 |
| Subject: | note 94469 added to function.strpos | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-162464@lists.php.net to get a copy of this message | ||
A function I made to find the first occurrence of a particular needle not enclosed in quotes(single
or double). Works for simple nesting (no backslashed nesting allowed).
function strposq($haystack, $needle, $offset = 0){
$len = strlen($haystack);
$charlen = strlen($needle);
$flag1 = false;
$flag2 = false;
for($i = $offset; $i < $len; $i++){
if(substr($haystack, $i, 1) == "'"){
$flag1 = !$flag1 && !$flag2 ? true : false;
}
if(substr($haystack, $i, 1) == '"'){
$flag2 = !$flag1 && !$flag2 ? true : false;
}
if(substr($haystack, $i, $charlen) == $needle && !$flag1 && !$flag2){
return $i;
}
}
return false;
}
echo strposq("he'llo'character;\"'som\"e;crap", ";");
//16
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Server IP: 202.65.157.132
Probable Submitter: 202.56.202.14
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Manual Page -- http://www.php.net/manual/en/function.strpos.php
Edit -- https://master.php.net/note/edit/94469
Del: integrated -- https://master.php.net/note/delete/94469/integrated
Del: useless -- https://master.php.net/note/delete/94469/useless
Del: bad code -- https://master.php.net/note/delete/94469/bad+code
Del: spam -- https://master.php.net/note/delete/94469/spam
Del: non-english -- https://master.php.net/note/delete/94469/non-english
Del: in docs -- https://master.php.net/note/delete/94469/in+docs
Del: other reasons-- https://master.php.net/note/delete/94469
Reject -- https://master.php.net/note/reject/94469
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