Online PHP editor | perf for rAd8I

<?php class Condition { public function __constructor($at, $next = null) { $this->at = $at; $this->next = $next; } public function eval() { $result = $this->actualEval(); if ($result !== false && $this->next) $result = $this->next->eval(); return $result; } public function actualEval() { return false; } public function getCause() { return $this->cause ?: ($this->prev ? $this->prev->getCause() : null); } } class Condition1 extends Condition { public function __constructor($at, $next = null) { parent::__constructor($at, $next); $this->cause = "cause 1"; } public function actualEval() { return $this->at->condition1; } } class Condition2 extends Condition { public function __constructor($at, $next = null) { parent::__constructor($at, $next); $this->cause = "cause 2"; } public function actualEval() { return $this->at->condition1; } } class X { protected function check(\Closure $callback) { $condition = new Condition1( $this, new Condition2($this) ); if (!$condition->eval()) { $this->log($condition->getCause()); $this->cleanup(); } else $callback(); } public function doSomething() { $this->check(function () use ($this) { $this->reallyDoSomething(); }); } public function reallyDoSomething() { echo "1"; } public function cleanup() { echo "> cleanup.\n"; } public function log($str) { echo "> $str\n"; } } $x = new X(); $x->doSomething();

Version	System time (s)	User time (s)	Memory (MiB)
7.0.2	0.043	0.047	20.16
7.0.1	0.013	0.070	20.20
7.0.0	0.017	0.053	20.26
5.6.17	0.030	0.040	20.50
5.6.16	0.010	0.070	20.49
5.6.15	0.007	0.037	18.27
5.6.14	0.007	0.080	18.25
5.6.13	0.007	0.060	18.18
5.6.12	0.010	0.083	21.12
5.6.11	0.007	0.077	20.89
5.6.10	0.020	0.080	21.09
5.6.9	0.007	0.077	20.97
5.6.8	0.003	0.037	20.51
5.5.31	0.020	0.080	20.34
5.5.30	0.017	0.060	18.03
5.5.29	0.013	0.077	18.02
5.5.28	0.007	0.073	20.80
5.5.27	0.003	0.047	20.97
5.5.26	0.007	0.080	20.80
5.5.25	0.003	0.087	20.46
5.5.24	0.013	0.080	20.16