3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(PHP_VERSION_ID < 50400) { return; } class Foo { function recurseBenchCallerContex($iterations, $recursionLimit) { if($recursionLimit > 0) { return $this->recurseBenchCallerContex($iterations, $recursionLimit - 1); } $start = microtime(true); for($c = 0; $c < $iterations; $c++) { $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2); $class = isset($trace[1]['class']) ? $trace[1]['class'] : null; } var_dump('debug_backtrace', microtime(true) - $start); $start = microtime(true); for($c = 0; $c < $iterations; $c++) { $class = get_called_class(); } var_dump('debug_backtrace full', microtime(true) - $start); } } $foo = new Foo; $foo->recurseBenchCallerContex(10000, 100);

preferences:
33.62 ms | 402 KiB | 5 Q