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<?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)?'':',');
Output for git.master, git.master_jit, rfc.property-hooks
key1a = key7b, key1a = key8b, key1a = key9b, key2a = key7b, key2a = key8b, key2a = key9b, key3a = key7b, key3a = key8b, key3a = key9b, Warning: Undefined variable $array1 in /in/FJR2U on line 22 Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /in/FJR2U:22 Stack trace: #0 /in/FJR2U(22): array_keys(NULL) #1 {main} thrown in /in/FJR2U on line 22
Process exited with code 255.

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