3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $x = 1; // access modifiers effect property/method visibility not scope protected $y = 2; private $z = 3; } $o = new Test(); function Try(){ $f = new Test(); echo $f->x; } var_dump($GLOBALS['o']); var_dump($GLOBALS['f']);

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)
5.4.240.0100.04212.39
5.4.230.0110.04312.39
5.4.220.0110.04112.38
5.4.210.0100.04112.39
5.4.200.0130.03912.39
5.4.190.0110.04012.38
5.4.180.0150.03612.38
5.4.170.0140.04212.39
5.4.160.0100.04212.38
5.4.150.0180.04912.38
5.4.140.0140.04712.07
5.4.130.0130.04612.05
5.4.120.0130.04612.02
5.4.110.0130.04212.01
5.4.100.0130.05312.02
5.4.90.0110.03912.01
5.4.80.0230.06012.01
5.4.70.0100.04012.01
5.4.60.0200.06112.01
5.4.50.0160.03812.01
5.4.40.0080.04512.00
5.4.30.0110.04311.99
5.4.20.0090.04211.99
5.4.10.0140.03812.00
5.4.00.0130.03611.48
5.3.280.0110.04412.71
5.3.270.0150.05412.72
5.3.260.0090.04312.72
5.3.250.0130.03912.72
5.3.240.0120.04112.72
5.3.230.0210.06512.71
5.3.220.0130.04612.68
5.3.210.0130.04412.68
5.3.200.0150.03812.68
5.3.190.0120.05712.68
5.3.180.0110.04112.67
5.3.170.0110.04212.67
5.3.160.0120.04312.67
5.3.150.0100.04212.67
5.3.140.0130.04112.66
5.3.130.0170.05212.66
5.3.120.0140.04112.66
5.3.110.0130.04212.66
5.3.100.0120.04312.12
5.3.90.0090.04212.09
5.3.80.0130.05412.08
5.3.70.0140.03812.08
5.3.60.0100.04212.07
5.3.50.0120.04212.01
5.3.40.0110.04212.01
5.3.30.0090.04111.97
5.3.20.0090.04211.75
5.3.10.0150.03511.71
5.3.00.0120.04011.70

preferences:
141.51 ms | 1398 KiB | 7 Q