note 74758 deleted from function.count by aharvey
| From: | aharvey@php.net | Date: | Mon, 14 Jan 2013 13:11:18 +0000 |
| Subject: | note 74758 deleted from function.count by aharvey | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-193035@lists.php.net to get a copy of this message | ||
Note Submitter: yarolan at mail dot ru
----
NEVER USE IN CYCLES!
<?php
//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.