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<?php $array = [ "one" => 1, "two" => 2, "three" => 3, "four" => 4 ]; while (($key = key($array)) !== null) { // check if the internal pointer points beyond the end of the elements list or the array is empty echo "$key => {$array[$key]}\n"; // display current key value pair if ($array[$key] < 3) { // an arbitrary condition echo "\t"; ++$array[$key]; // increment the current value } else { // current value is satisfactory echo "\t(advance pointer)\n"; next($array); // move pointer } }
Output for git.master, git.master_jit, rfc.property-hooks
one => 1 one => 2 one => 3 (advance pointer) two => 2 two => 3 (advance pointer) three => 3 (advance pointer) four => 4 (advance pointer)

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