3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ function foo() { if(isset($this)) { return true; } return false; } function bar() { return $this; } } class B{ function bb() { $a = new A; var_dump(A::bar()); var_dump($a->bar()); } } $a = new A; var_dump(A::foo()); var_dump($a->foo()); $b = new B(); $b->bb();

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)
8.3.60.0150.00618.30
8.3.50.0100.00521.14
8.3.40.0070.00718.83
8.3.30.0130.00720.29
8.3.20.0070.00020.13
8.3.10.0130.00321.97
8.3.00.0050.00222.44
8.2.180.0110.00317.00
8.2.170.0080.01222.96
8.2.160.0090.00420.39
8.2.150.0000.00724.18
8.2.140.0060.01224.66
8.2.130.0040.00426.16
8.2.120.0040.00419.64
8.2.110.0040.00720.39
8.2.100.0090.00317.91
8.2.90.0000.00819.23
8.2.80.0040.00419.40
8.2.70.0070.00417.63
8.2.60.0000.00917.92
8.2.50.0030.00618.07
8.2.40.0040.00418.16
8.2.30.0000.00818.07
8.2.20.0050.00217.71
8.2.10.0080.00017.57
8.2.00.0000.00717.67
8.1.280.0160.00625.92
8.1.270.0000.00824.66
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00321.99
8.1.230.0080.00424.00
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.38
8.1.190.0000.00817.53
8.1.180.0000.00820.09
8.1.170.0040.00418.48
8.1.160.0030.00322.05
8.1.150.0000.00918.59
8.1.140.0040.00417.40
8.1.130.0000.00717.77
8.1.120.0000.00717.32
8.1.110.0030.00317.28
8.1.100.0000.00817.30
8.1.90.0030.00517.41
8.1.80.0000.00817.37
8.1.70.0030.00317.30
8.1.60.0040.00417.59
8.1.50.0030.00617.52
8.1.40.0030.00517.41
8.1.30.0050.00317.53
8.1.20.0000.00817.54
8.1.10.0000.00717.44
8.1.00.0070.00017.53
8.0.300.0060.00318.77
8.0.290.0000.00817.03
8.0.280.0030.00518.34
8.0.270.0030.00317.26
8.0.260.0030.00316.76
8.0.250.0030.00316.96
8.0.240.0020.00516.95
8.0.230.0070.00016.87
8.0.220.0030.00316.82
8.0.210.0000.00716.90
8.0.200.0030.00316.95
8.0.190.0040.00416.88
8.0.180.0050.00216.97
8.0.170.0040.00416.83
8.0.160.0030.00317.03
8.0.150.0040.00416.87
8.0.140.0000.00716.88
8.0.130.0000.00513.29
8.0.120.0000.00816.83
8.0.110.0000.00716.91
8.0.100.0040.00416.78
8.0.90.0070.00016.73
8.0.80.0070.01716.85
8.0.70.0040.00416.84
8.0.60.0030.00516.89
8.0.50.0040.00416.77
8.0.30.0110.00917.23
8.0.20.0090.01117.40
8.0.10.0020.00517.02
8.0.00.0140.00916.81
7.4.330.0000.00615.00
7.4.320.0000.00616.55
7.4.300.0050.00216.41
7.4.290.0000.00816.62
7.4.280.0030.00316.50
7.4.270.0000.00716.59
7.4.260.0000.00716.48
7.4.250.0040.00416.43
7.4.240.0020.00516.60
7.4.230.0030.00316.69
7.4.220.0160.01016.54
7.4.210.0090.00816.52
7.4.200.0070.00016.41
7.4.190.0000.00716.70
7.4.160.0110.01116.36
7.4.150.0070.01017.40
7.4.140.0090.00917.86
7.4.130.0130.00516.46
7.4.120.0060.01116.45
7.4.110.0100.00716.43
7.4.100.0070.01016.52
7.4.90.0090.01216.38
7.4.80.0100.01319.39
7.4.70.0090.01416.52
7.4.60.0040.01816.63
7.4.50.0000.00416.29
7.4.40.0000.01222.77
7.4.30.0060.01616.50
7.4.00.0110.00314.93
7.3.330.0030.00313.33
7.3.320.0050.00013.11
7.3.310.0000.00716.24
7.3.300.0000.00716.36
7.3.290.0070.00716.30
7.3.280.0080.00816.33
7.3.270.0030.01317.40
7.3.260.0070.01016.48
7.3.250.0100.00716.41
7.3.240.0100.00716.53
7.3.230.0090.01216.57
7.3.210.0090.01216.32
7.3.200.0100.01119.39
7.3.190.0160.00616.46
7.3.180.0060.00916.50
7.3.170.0110.01216.50
7.3.160.0030.01716.39
7.3.120.0070.01114.56
7.2.330.0090.00916.52
7.2.320.0120.00916.50
7.2.310.0160.00616.54
7.2.300.0070.01016.53
7.2.290.0100.01016.75
7.2.60.0090.00316.95
7.2.00.0030.00919.39
7.1.200.0070.00715.89
7.1.100.0040.00717.82
7.1.70.0030.00716.84
7.1.60.0080.01519.29
7.1.50.0180.00716.96
7.1.00.0030.07322.43
7.0.200.0150.00614.71
7.0.140.0000.07322.21
7.0.60.0170.07020.08
7.0.50.0100.06317.86
7.0.40.0070.09020.20
7.0.30.0230.04020.26
7.0.20.0230.03720.23
7.0.10.0200.09020.10
7.0.00.0200.07320.23
5.6.280.0030.07321.08
5.6.210.0100.08320.77
5.6.200.0100.03718.29
5.6.190.0030.04720.62
5.6.180.0300.06320.50
5.6.170.0270.05320.48
5.6.160.0030.06320.53
5.6.150.0070.08318.23
5.6.140.0170.07318.21
5.6.130.0030.06318.21
5.6.120.0070.08720.99
5.6.110.0100.07721.12
5.6.100.0070.03720.99
5.6.90.0030.05720.98
5.6.80.0100.03320.51
5.6.70.0300.06320.50
5.5.350.0070.06720.31
5.5.340.0070.08317.96
5.5.330.0100.08320.40
5.5.320.0230.07320.32
5.5.310.0200.04020.19
5.5.300.0070.03717.94
5.5.290.0230.06717.93
5.5.280.0100.08320.69
5.5.270.0030.07320.95
5.5.260.0070.08320.84
5.5.250.0300.06320.54
5.5.240.0070.07320.37
5.4.450.0170.05719.58
5.4.440.1100.04019.38
5.4.430.0870.05319.46
5.4.420.0470.07719.38
5.4.410.0570.05719.06
5.4.400.0600.05718.76
5.4.390.1430.06018.71
5.4.380.0400.04018.82
5.4.370.0130.05718.78
5.4.360.0100.05718.77
5.4.350.0080.04712.02
5.4.340.0040.04212.02
5.4.320.0020.04112.50
5.4.310.0080.03912.50
5.4.300.0080.03812.50
5.4.290.0100.03512.50
5.4.280.0040.04412.40
5.4.270.0080.04012.40
5.4.260.0040.04112.40
5.4.250.0030.05718.87
5.4.240.0070.05018.80
5.4.230.0100.05318.97
5.4.220.0030.05718.97
5.4.210.0100.08018.99
5.4.200.0100.05018.90
5.4.190.0130.07318.92
5.4.180.0100.06018.87
5.4.170.0130.05318.92
5.4.160.0030.07718.71
5.4.150.0100.05318.70
5.4.140.0070.05316.42
5.4.130.0230.04716.48
5.4.120.0100.06716.44
5.4.110.0100.05316.67
5.4.100.0130.06716.67
5.4.90.0030.05016.44
5.4.80.0070.05016.59
5.4.70.0200.04016.33
5.4.60.0070.04716.54
5.4.50.0130.05016.47
5.4.40.0070.05016.54
5.4.30.0170.04016.59
5.4.20.0130.04316.49
5.4.10.0070.05716.58
5.4.00.0130.06315.88
5.3.290.0070.04912.80
5.3.280.0100.05714.76
5.3.270.0170.05014.52
5.3.260.0130.07014.62
5.3.250.0070.08014.44
5.3.240.0130.06314.69
5.3.230.0200.06014.82
5.3.220.0070.07314.43
5.3.210.0100.05014.79
5.3.200.0070.06014.71
5.3.190.0030.05314.66
5.3.180.0200.05714.65
5.3.170.0230.06014.47
5.3.160.0100.05014.70
5.3.150.0130.04714.47
5.3.140.0130.07014.53
5.3.130.0130.05014.61
5.3.120.0070.05314.54
5.3.110.0030.05714.48
5.3.100.0170.06014.01
5.3.90.0100.05014.09
5.3.80.0000.07714.20
5.3.70.0070.05714.11
5.3.60.0070.06714.16
5.3.50.0030.05013.97
5.3.40.0030.05313.94
5.3.30.0130.04314.07
5.3.20.0100.06313.93
5.3.10.0170.06013.48
5.3.00.0100.05313.71
5.2.170.0100.06011.23
5.2.160.0070.05711.23
5.2.150.0030.04311.22
5.2.140.0130.04311.21
5.2.130.0070.04011.01
5.2.120.0030.04010.94
5.2.110.0000.04711.18
5.2.100.0030.04311.20
5.2.90.0100.03711.01
5.2.80.0130.03711.09
5.2.70.0000.05011.16
5.2.60.0030.06311.03
5.2.50.0200.04011.20
5.2.40.0100.05010.83
5.2.30.0070.05310.95
5.2.20.0100.05711.19
5.2.10.0070.05010.85
5.2.00.0070.03710.81
5.1.60.0070.0309.99
5.1.50.0100.02710.20
5.1.40.0100.04310.18
5.1.30.0130.02710.41
5.1.20.0030.03710.52
5.1.10.0070.04310.22
5.1.00.0070.03710.11
5.0.50.0000.0338.71
5.0.40.0070.0378.42
5.0.30.0100.0538.29
5.0.20.0070.0338.29
5.0.10.0070.0308.41
5.0.00.0000.0608.00
4.4.90.0070.0307.46
4.4.80.0030.0207.46
4.4.70.0030.0207.46
4.4.60.0030.0237.46
4.4.50.0070.0207.46
4.4.40.0030.0477.46
4.4.30.0030.0207.46
4.4.20.0070.0207.46
4.4.10.0030.0307.46
4.4.00.0070.0307.46
4.3.110.0030.0207.46
4.3.100.0000.0237.46
4.3.90.0130.0177.46
4.3.80.0000.0377.46
4.3.70.0030.0277.46
4.3.60.0030.0207.46
4.3.50.0100.0137.46
4.3.40.0000.0407.46
4.3.30.0000.0237.46
4.3.20.0000.0237.46
4.3.10.0030.0207.46
4.3.00.0030.0306.71

preferences:
35.37 ms | 401 KiB | 5 Q