Online PHP editor | refs for FJR2U

<?php $arr1 = array( 'key1a'=>'value', 'key2a'=>'value', 'key3a'=>'value' ); $arr2 = array( 'key7b'=>'value', 'key8b'=>'value', 'key9b'=>'value' ); foreach($arr1 as $i => $val) { foreach($arr2 as $j => $val2) { echo $i . " = " . $j . ", "; } } $keys = array_combine(array_keys($array1),array_keys($array2)); foreach($keys as $k => $k2) echo " $k = $k2".($k2==end($keys)?'':',');