3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Par { protected var $x; protected function foo() { return $x; } } class Chi extends Par { public function bar() { $this->x = 9; return $this->foo(); } } $x = new Chi(); echo $x->bar();

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.1.120.1280.01216.18
7.1.110.1390.00716.11
7.1.100.1330.01315.79
7.1.90.1110.01715.42
7.1.80.1170.00615.52
7.1.70.1230.01315.06
7.1.60.0960.01433.17
7.1.50.1200.01032.79
7.1.40.1320.00732.36
7.1.30.2280.01932.62
7.1.20.1770.01032.49
7.1.10.0760.01014.41
7.1.00.0960.00714.71
7.0.260.1550.01316.10
7.0.250.0990.00315.49
7.0.240.1140.01315.50
7.0.230.1030.00715.18
7.0.220.1210.01415.34
7.0.210.0860.01014.79
7.0.200.1780.01014.62
7.0.190.1480.01114.80
7.0.180.0900.01414.24
7.0.170.2930.00714.14
7.0.160.2220.01314.25
7.0.150.0850.00714.41
7.0.140.1590.01014.40
7.0.130.1180.01014.46
7.0.120.1180.00614.68
7.0.110.1410.01414.40
7.0.100.1440.00314.15
7.0.90.0730.01014.09
7.0.80.0890.00614.20
7.0.70.0960.00714.25
7.0.60.1020.01414.12
7.0.50.0930.01014.19
7.0.40.1540.01714.55
7.0.30.1050.01314.44
7.0.20.1740.00714.45
7.0.10.1670.01014.25
7.0.00.1100.00714.27

preferences:
145.75 ms | 1394 KiB | 7 Q