note 58465 deleted from language.references.pass by danbrown
| From: | danbrown@php.net | Date: | Thu, 28 Jan 2010 13:19:34 +0000 |
| Subject: | note 58465 deleted from language.references.pass by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-165419@lists.php.net to get a copy of this message | ||
Note Submitter:
----
<?php
function stripzeros($var) {
if($var < '10') {
$var = substr($var, 1);
}
return $var;
}
$day = '04';
$day = stripzeros($day);
echo $day."\n"; // 4 -- as expected
$day = '04';
stripzeros(&$day);
echo $day."\n"; // 4 -- another way to do the above, $day is altered
$day = '04';
$newday = stripzeros(&$day);
echo $newday."\n"; // 4
echo $day."\n"; // 4 here the reference effectively set $day = $newday
$day = '04';
$newday = stripzeros($day);
echo $newday."\n"; // 4
echo $day."\n"; // 04 -- with this method you can apply the function to the string and
keep the original string
?>