Online PHP editor | output for WkPtK

<?php $_POST = array('code' => 'A0001', 'det1' => 'it something v1', 'det2' => 'numero uno'); $code = $_POST['code']; //A0001 $det1 = $_POST['det1']; //it something v1 $det2 = $_POST['det2']; //numero uno $stmt = array('al_code' => 'A0001', 'al_det_in' => 'it something', 'al_det_en' => 'numero uno'); $alcode = $stmt['al_code']; //A0001 $aldet1 = $stmt['al_det_in']; //it something $aldet2 = $stmt['al_det_en']; //numero uno $valA = 'A'; $valB = 'B'; $$valA = $code . $det1 . $det2; $$valB = $alcode . $aldet1 . $aldet2; echo $code ." $$ ". $det1 ." $$ ". $det2 ."$$". $$valA ." $$\n"; echo $alcode ." ## ". $aldet1 ." ## ". $aldet2 ." ## ". $$valB ." ##\n";