Online PHP editor | refs for tOSUl

<?php $array = ['foo'=>1]; $last = $current = memory_get_usage(); foreach($array as $k=>&$v) { $last = $current; $current = memory_get_usage(); echo "Diff is " . ($current - $last) . "\n"; $array['baz']=3; $last = $current; $current = memory_get_usage(); echo "Diff is " . ($last - $current) . "\n"; echo $v . "\n"; }