Re: Possible foreach bug; seeking advice to isolate the problem

Tommy Pham wrote: >> -----Original Message----- >> From: Gary >> I can tell you how to solve it: >> $a = array('a', 'b','c'); >> foreach($a as &$row){ >> //you don't have to do anything here >> } >> unset($row); // <----<<< THIS IS KEY! > > Shouldn't that be $row = null since unset will remove the last value, > not just removing the variable also, from the array whereas the $row = > null will tell the reference pointer that it doesn't point to a value. ,----[ http://php.net/manual/en/control-structures.foreach.php ] | ,----[ code ] | | <?php | | $arr = array(1, 2, 3, 4); | | foreach ($arr as &$value) { | | $value = $value * 2; | | } | | // $arr is now array(2, 4, 6, 8) | | unset($value); // break the reference with the last element | | ?> | `---- | ... | Warning | | Reference of a $value and the last array element remain even after the | foreach loop. It is recommended to destroy it by unset(). `---- If it's wrong, please blame the people who wrote the manual :)