note 58465 added to language.references.pass

<?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 ?> ---- Manual Page -- http://www.php.net/manual/en/language.references.pass.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+58465 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+58465&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+58465&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+58465&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+58465&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+58465&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+58465&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+58465&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+58465&report=yes Search -- http://master.php.net/manage/user-notes.php