Online PHP editor | refs for V4uTI

<?php version_compare(PHP_VERSION, '7.1', '>=') || die; class MyClass { public static function callStatic($arg, $i) { return sprintf("%s %d\n", $arg, $i); } public function callable($arg, $i) { return sprintf("%s %d\n", $arg, $i); } public static function getCallable() { return [new static(), 'callable']; } public static function getClosure() { return Closure::fromCallable([new static(), 'callable']); } } function callFunc($arg, $i) { return sprintf("%s %d\n", $arg, $i); } $nTests = 100000; $result = 0; foreach([ 'callable' => MyClass::getCallable(), 'closure ' => MyClass::getClosure(), 'callstat' => ['MyClass', 'callStatic'], 'csclosed' => Closure::fromCallable(['MyClass', 'callStatic']), 'function' => 'callFunc', 'fnclosed' => Closure::fromCallable('callFunc'), ] as $name => $function) { ob_start(); $_start = microtime(true); for($i = 0; $i < $nTests; $i++) { $function('callable', $i); } $_end = microtime(true); ob_end_clean(); $_runtime = $_end - $_start; printf("%s in %.4f sec, %5.1f\n", $name, $_runtime, ($result & 1) * 100 * ($_runtime / ($_old ?? $_runtime))); $_old = $_runtime; $result++; }