View difference between Paste ID: 1Yh64pKC and gkKcSQuA

 <?php
 
 $arr = array('a' => 123, 'b' => 456, 'loeschMich' => 789);
 
 $gesucht = 789;
-foreach ($arr as $key => $element) {
+foreach ($arr as $key => &$element) {
     if ($key == $gesucht)
         break;
 }
 
 unset($arr[$key]);