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<?php $contact_rec[0]=""; //The emails of the client foreach($contact as $key => $value) { if($value['email'] != null) $contact_rec[] = $value['email']; } foreach($contact_rec as $key => $value) { $contact_rec[$value] = $value; unset($contact_rec[$key]); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $contact in /in/O30SO on line 4 Warning: foreach() argument must be of type array|object, null given in /in/O30SO on line 4

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