note 74758 added to function.count
| From: | yarolan at mail dot ru | Date: | Thu, 26 Apr 2007 11:56:07 +0000 |
| Subject: | note 74758 added to function.count | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-125887@lists.php.net to get a copy of this message | ||
NEVER USE IN CYCLES!
//size of $arr ~ 2000 elements
//wrong variant (Time exec ~ 19 sec)
for($i=0;$i<count($arr);$i++)
{
...
}
//right variant(Time exec ~ 0.2 sec)
$arr_size=count($arr);
for($i=0;$i<$arr_size;$i++)
{
...
}
it was discovered experimentally.
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Server IP: 195.54.192.44
Probable Submitter: 195.131.162.64
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Manual Page -- http://www.php.net/manual/en/function.count.php
Edit -- https://master.php.net/note/edit/74758
Del: integrated -- https://master.php.net/note/delete/74758/integrated
Del: useless -- https://master.php.net/note/delete/74758/useless
Del: bad code -- https://master.php.net/note/delete/74758/bad+code
Del: spam -- https://master.php.net/note/delete/74758/spam
Del: non-english -- https://master.php.net/note/delete/74758/non-english
Del: in docs -- https://master.php.net/note/delete/74758/in+docs
Del: other reasons-- https://master.php.net/note/delete/74758
Reject -- https://master.php.net/note/reject/74758
Search -- https://master.php.net/manage/user-notes.php