Online PHP editor | refs for fm4IU

<?php namespace Any; $value = array( ); for ($i=0;$i<1e6;$i++) { $value[] = $i; } $start = microtime(true); $values = array_map(function($item){ return $item+1;}, $value); $end = microtime(true); echo "Simple func took: ", number_format(($end-$start)*1e3, 2), PHP_EOL; $start = microtime(true); $values = \array_map(function($item){ return $item+1;}, $value); $end = microtime(true); echo "Direct func took: ", number_format(($end-$start)*1e3, 2);