3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function m() { static $x; if ($x === null) { $x = get_class($this); } return $x; } } class B extends A { } $a = new A(); $b = new B(); echo $a->m()."\n"; echo $b->m()."\n";

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)
8.4.130.0040.00520.45
8.4.120.0100.01017.92
8.4.110.0070.01224.23
8.4.100.0130.00817.64
8.4.90.0110.00920.65
8.4.80.0070.01318.90
8.4.70.0070.00218.83
8.4.60.0100.00718.66
8.4.50.0080.00918.91
8.4.40.0090.00919.13
8.4.30.0050.00320.75
8.4.20.0260.01017.62
8.4.10.0220.00618.55
8.3.260.0130.00816.65
8.3.250.0110.00416.56
8.3.240.0060.00616.64
8.3.230.0150.00516.32
8.3.220.0140.00419.02
8.3.210.0100.00716.85
8.3.200.0040.00516.59
8.3.190.0030.00517.04
8.3.180.0130.00718.91
8.3.170.0080.00017.05
8.3.160.0140.00418.24
8.3.150.0200.01316.71
8.3.140.0240.00518.79
8.3.130.0180.00717.61
8.3.120.0170.00817.81
8.3.110.0160.01118.68
8.3.100.0250.00216.40
8.3.90.0160.00217.44
8.3.80.0130.00316.61
8.3.70.0150.00316.48
8.3.60.0170.00216.51
8.3.50.0150.00516.43
8.3.40.0220.01118.08
8.3.30.0230.00317.91
8.3.20.0200.00320.64
8.3.10.0160.00621.05
8.3.00.0080.00321.77
8.2.290.0090.00916.55
8.2.280.0110.00816.50
8.2.270.0150.00616.61
8.2.260.0100.01116.56
8.2.250.0180.00416.43
8.2.240.0150.00716.82
8.2.230.0190.00519.49
8.2.220.0130.00820.36
8.2.210.0110.00421.50
8.2.200.0150.01016.31
8.2.190.0260.00516.39
8.2.180.0210.00921.17
8.2.170.0250.00318.33
8.2.160.0240.00520.23
8.2.150.0200.00521.55
8.2.140.0210.00421.11
8.2.130.0180.00721.81
8.2.120.0130.01121.91
8.2.110.0210.00519.86
8.2.100.0160.00717.65
8.2.90.0170.00619.07
8.2.80.0130.00917.71
8.2.70.0160.00917.63
8.2.60.0170.00917.49
8.2.50.0180.00817.76
8.2.40.0190.00517.73
8.2.30.0160.00617.66
8.2.20.0160.00717.65
8.2.10.0150.00718.30
8.2.00.0200.00318.34
8.1.330.0150.00316.32
8.1.320.0110.00816.13
8.1.310.0210.00816.29
8.1.300.0190.00416.92
8.1.290.0160.00917.31
8.1.280.0210.00621.04
8.1.270.0210.00320.54
8.1.260.0130.00922.70
8.1.250.0210.00222.53
8.1.240.0170.00619.93
8.1.230.0180.00619.07
8.1.220.0130.00817.44
8.1.210.0160.00517.97
8.1.200.0150.00617.31
8.1.190.0150.00717.20
8.1.180.0150.00717.53
8.1.170.0160.00617.79
8.1.160.0130.00818.03
8.1.150.0160.00617.92
8.1.140.0170.00418.01
8.1.130.0170.00518.73
8.1.120.0120.00717.39
8.1.110.0160.00317.24
8.1.100.0180.00417.25
8.1.90.0150.00817.28
8.1.80.0220.00517.32
8.1.70.0180.00417.37
8.1.60.0180.00517.38
8.1.50.0220.00217.29
8.1.40.0120.01117.38
8.1.30.0220.00217.51
8.1.20.0180.00517.51
8.1.10.0200.00317.42
8.1.00.0160.00717.37
8.0.300.0140.00718.13
8.0.290.0150.00816.77
8.0.280.0140.00917.50
8.0.270.0140.00717.27
8.0.260.0160.00617.45
8.0.250.0150.00616.75
8.0.240.0170.00716.72
8.0.230.0190.00516.71
8.0.220.0160.00516.69
8.0.210.0150.00616.56
8.0.200.0160.00516.73
8.0.190.0160.00616.79
8.0.180.0170.00416.79
8.0.170.0170.00516.79
8.0.160.0200.00216.58
8.0.150.0160.00616.66
8.0.140.0150.00816.74
8.0.130.0190.00214.97
8.0.120.0180.00516.76
8.0.110.0180.00416.53
8.0.100.0160.00716.77
8.0.90.0160.00516.76
8.0.80.0150.00816.78
8.0.70.0180.00516.70
8.0.60.0140.00916.56
8.0.50.0090.01016.66
8.0.30.0140.00816.70
8.0.20.0130.00916.85
8.0.10.0120.01016.86
8.0.00.0130.00716.95
7.4.330.0120.00415.93
7.4.320.0050.00616.29
7.4.300.0080.00316.39
7.4.290.0140.00516.29
7.4.280.0120.00716.40
7.4.270.0250.00216.40
7.4.260.0110.00014.75
7.4.250.0140.00616.40
7.4.240.0180.00316.21
7.4.230.0160.00516.32
7.4.220.0080.00216.47
7.4.210.0130.00616.42
7.4.200.0160.00416.51
7.4.190.0300.00316.38
7.4.180.0200.01316.24
7.4.160.0080.00716.50
7.4.150.0140.00616.39
7.4.140.0150.00616.26
7.4.130.0100.00816.38
7.4.120.0080.00616.36
7.4.110.0100.00516.31
7.4.100.0130.00516.41
7.4.90.0120.00916.35
7.4.80.0060.00816.40
7.4.70.0100.01016.40
7.4.60.0130.00716.46
7.4.50.0090.00616.39
7.4.40.0090.00716.30
7.4.30.0100.00716.32
7.4.20.0120.00716.31
7.4.10.0140.00716.44
7.4.00.0100.01016.42
7.3.330.0160.00416.24
7.3.320.0150.00114.73
7.3.310.0140.00416.07
7.3.300.0180.00216.12
7.3.290.0130.00716.23
7.3.280.0180.01115.87
7.3.270.0090.00516.36
7.3.260.0160.00616.22
7.3.250.0110.00916.32
7.3.240.0120.00416.23
7.3.230.0160.00416.26
7.3.220.0140.00416.16
7.3.210.0110.00916.23
7.3.200.0170.00416.21
7.3.190.0130.00716.18
7.3.180.0110.01016.32
7.3.170.0120.00816.12
7.3.160.0130.00816.24
7.3.150.0140.00616.25
7.3.140.0140.00716.25
7.3.130.0170.00416.14
7.3.120.0170.00516.26
7.3.110.0090.00916.17
7.3.100.0100.00816.11
7.3.90.0080.00716.53
7.3.80.0050.01016.17
7.3.70.0080.00716.31
7.3.60.0110.01216.26
7.3.50.0150.00716.28
7.3.40.0140.00816.37
7.3.30.0160.00316.30
7.3.20.0170.00418.11
7.3.10.0120.00918.11
7.3.00.0140.00818.15

preferences:
27.82 ms | 403 KiB | 5 Q