3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{} class B extends A{} class C extends A{} class d extends A{} $b = new B(); print_r(class_parents($b));

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)
8.3.70.0130.01016.58
8.3.60.0080.01218.43
8.3.50.0070.00721.92
8.3.40.0140.00318.71
8.3.30.0060.00819.09
8.3.20.0000.00720.09
8.3.10.0070.00021.92
8.3.00.0040.00422.37
8.2.180.0120.00316.73
8.2.170.0100.00322.96
8.2.160.0070.00718.86
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0080.00019.23
8.2.110.0060.00319.17
8.2.100.0060.00617.97
8.2.90.0060.00319.09
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0080.00017.55
8.2.50.0000.00818.07
8.2.40.0030.00519.82
8.2.30.0040.00417.89
8.2.20.0080.00017.58
8.2.10.0040.00417.60
8.2.00.0060.00317.64
8.1.280.0140.00325.92
8.1.270.0050.00322.20
8.1.260.0000.00726.35
8.1.250.0030.00328.09
8.1.240.0060.00319.14
8.1.230.0120.00019.10
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0040.00417.40
8.1.180.0040.00418.63
8.1.170.0040.00418.49
8.1.160.0040.00422.15
8.1.150.0040.00418.49
8.1.140.0050.00217.38
8.1.130.0030.00317.82
8.1.120.0000.00717.45
8.1.110.0000.00817.34
8.1.100.0030.00517.31
8.1.90.0030.00317.38
8.1.80.0080.00017.41
8.1.70.0030.00317.26
8.1.60.0060.00317.52
8.1.50.0040.00417.33
8.1.40.0030.00617.37
8.1.30.0000.00817.56
8.1.20.0030.00517.65
8.1.10.0030.00517.52
8.1.00.0050.00317.39
8.0.300.0060.00318.77
8.0.290.0070.00017.04
8.0.280.0000.00718.30
8.0.270.0030.00317.20
8.0.260.0030.00316.75
8.0.250.0000.00716.89
8.0.240.0000.00716.80
8.0.230.0030.00316.77
8.0.220.0070.00016.82
8.0.210.0070.00016.80
8.0.200.0000.00716.75
8.0.190.0000.00916.88
8.0.180.0040.00416.77
8.0.170.0040.00416.89
8.0.160.0000.00716.83
8.0.150.0040.00416.75
8.0.140.0030.00316.73
8.0.130.0030.00313.21
8.0.120.0000.00816.69
8.0.110.0000.00716.84
8.0.100.0040.00416.66
8.0.90.0040.00416.95
8.0.80.0100.01016.77
8.0.70.0000.00716.77
8.0.60.0040.00416.67
8.0.50.0050.00216.71
8.0.30.0120.00817.12
8.0.20.0110.01117.40
8.0.10.0030.00516.74
8.0.00.0090.01016.64
7.4.330.0020.00215.00
7.4.320.0000.00716.50
7.4.300.0030.00316.45
7.4.290.0030.00316.48
7.4.280.0030.00316.43
7.4.270.0030.00316.43
7.4.260.0000.00716.42
7.4.250.0000.00716.48
7.4.240.0040.00416.42
7.4.230.0030.00516.60
7.4.220.0110.00716.61
7.4.210.0070.00916.49
7.4.200.0030.00316.51
7.4.190.0000.00816.39
7.4.160.0070.01016.52
7.4.150.0030.01317.40
7.4.140.0080.01117.86
7.4.130.0120.00816.41
7.4.120.0050.01116.50
7.4.110.0090.00916.42
7.4.100.0140.00616.36
7.4.90.0040.01816.35
7.4.80.0060.01219.39
7.4.70.0140.00316.17
7.4.60.0090.00616.50
7.4.50.0050.00316.50
7.4.40.0090.00622.77
7.4.30.0130.00716.50
7.4.00.0030.01015.01
7.3.330.0000.00513.02
7.3.320.0000.00513.16
7.3.310.0030.00516.03
7.3.300.0000.00716.18
7.3.290.0050.01116.18
7.3.280.0080.00816.18
7.3.270.0140.00717.40
7.3.260.0070.01016.20
7.3.250.0060.01116.45
7.3.240.0100.01316.38
7.3.230.0060.01216.39
7.3.210.0030.01615.98
7.3.200.0090.01019.39
7.3.190.0190.00316.31
7.3.180.0050.01116.20
7.3.170.0110.00816.27
7.3.160.0110.00716.29
7.3.120.0090.00614.62
7.2.330.0160.00316.32
7.2.320.0130.00316.62
7.2.310.0060.01116.59
7.2.300.0060.01116.34
7.2.290.0160.00016.41
7.2.60.0090.00616.85
7.2.00.0000.01219.42
7.1.200.0080.00315.38
7.1.100.0070.01018.06
7.1.70.0070.00316.79
7.1.60.0100.00719.82
7.1.50.0070.01016.92
7.1.00.0070.04022.57
7.0.200.0040.00416.70
7.0.140.0030.07322.21
7.0.60.0000.09019.85
7.0.50.0070.07717.86
7.0.40.0030.04720.27
7.0.30.0330.04720.07
7.0.20.0230.04020.08
7.0.10.0370.07020.12
7.0.00.0100.04320.08
5.6.280.0070.07021.06
5.6.210.0130.06020.49
5.6.200.0070.06718.14
5.6.190.0070.04020.57
5.6.180.3330.03020.64
5.6.170.0470.08020.57
5.6.160.0130.08020.50
5.6.150.0070.08318.29
5.6.140.0070.04018.20
5.6.130.0070.05718.15
5.6.120.0170.06321.01
5.6.110.0100.08720.98
5.6.100.0170.05021.08
5.6.90.0100.06320.88
5.6.80.0000.04320.41
5.6.70.0230.07320.37
5.5.350.0100.06320.30
5.5.340.0070.06318.02
5.5.330.0030.08720.42
5.5.320.0270.06720.44
5.5.310.0230.08320.50
5.5.300.0070.06318.02
5.5.290.0030.04018.08
5.5.280.0070.06320.84
5.5.270.0100.08320.81
5.5.260.0030.04020.72
5.5.250.0030.08320.69
5.5.240.0100.08020.07
5.4.450.0770.06019.34
5.4.440.0770.05319.54
5.4.430.0530.04719.47
5.4.420.0830.05319.60
5.4.410.0800.05019.47
5.4.400.1170.06318.77
5.4.390.1200.05318.50
5.4.380.0200.05318.50
5.4.370.0130.05018.72
5.4.360.0170.04718.46
5.4.350.0230.04318.79
5.4.340.0230.04018.75
5.4.320.0080.03912.50
5.4.310.0060.03912.50
5.4.300.0110.04212.50
5.4.290.0040.04912.50
5.4.280.0070.03812.39
5.4.270.0050.04112.39
5.4.260.0070.08318.96
5.4.250.0170.06718.90
5.4.240.0270.03318.94
5.4.230.0030.05718.99
5.4.220.0030.06018.96
5.4.210.0030.05718.74
5.4.200.0170.04319.00
5.4.190.0130.04718.79
5.4.180.0070.07019.02
5.4.170.0000.06019.02
5.4.160.0100.05018.64
5.4.150.0130.05018.75
5.4.140.0100.05016.59
5.4.130.0130.04316.34
5.4.120.0100.06716.51
5.4.110.0130.05016.55
5.4.100.0100.04716.54
5.4.90.0100.04316.57
5.4.80.0100.05316.66
5.4.70.0100.05016.37
5.4.60.0070.04716.47
5.4.50.0030.05316.38
5.4.40.0030.05316.44
5.4.30.0070.05016.35
5.4.20.0130.06016.46
5.4.10.0170.05016.46
5.4.00.0130.04715.95
5.3.290.0060.03812.80
5.3.280.0170.06314.59
5.3.270.0100.05014.77
5.3.260.0070.05014.68
5.3.250.0100.05014.61
5.3.240.0070.05014.59
5.3.230.0130.06314.72
5.3.220.0070.05014.70
5.3.210.0170.06014.74
5.3.200.0100.04714.72
5.3.190.0130.06014.39
5.3.180.0230.05014.63
5.3.170.0000.05314.78
5.3.160.0100.04714.38
5.3.150.0100.05014.39
5.3.140.0000.05314.64
5.3.130.0030.08014.58
5.3.120.0100.05014.37
5.3.110.0200.06014.44
5.3.100.0070.05714.19
5.3.90.0070.04714.07
5.3.80.0170.06014.09
5.3.70.0070.07313.91
5.3.60.0130.04313.99
5.3.50.0100.06014.04
5.3.40.0130.04013.91
5.3.30.0070.04714.09
5.3.20.0070.07013.66
5.3.10.0070.04713.71
5.3.00.0070.04713.47
5.2.170.0030.05711.04
5.2.160.0070.04011.12
5.2.150.0100.03711.23
5.2.140.0100.05711.20
5.2.130.0030.04011.08
5.2.120.0130.03011.27
5.2.110.0070.03711.27
5.2.100.0030.06011.10
5.2.90.0070.04711.18
5.2.80.0100.03711.16
5.2.70.0000.04711.16
5.2.60.0070.04010.95
5.2.50.0030.04011.00
5.2.40.0070.03711.07
5.2.30.0030.04310.91
5.2.20.0170.03310.78
5.2.10.0030.05710.86
5.2.00.0070.03710.88
5.1.60.0030.03710.09
5.1.50.0070.03010.06
5.1.40.0030.03710.23
5.1.30.0070.03310.32
5.1.20.0000.04310.33
5.1.10.0000.04710.21
5.1.00.0030.05710.04
5.0.50.0030.0308.70
5.0.40.0070.0378.47
5.0.30.0000.0478.19
5.0.20.0130.0208.15
5.0.10.0000.0308.21
5.0.00.0030.0408.07
4.4.90.0000.0237.38
4.4.80.0100.0207.38
4.4.70.0000.0237.38
4.4.60.0000.0237.38
4.4.50.0100.0177.38
4.4.40.0070.0337.38
4.4.30.0000.0237.38
4.4.20.0070.0277.38
4.4.10.0070.0277.38
4.4.00.0030.0307.38
4.3.110.0130.0237.38
4.3.100.0030.0307.38
4.3.90.0000.0277.38
4.3.80.0070.0277.38
4.3.70.0070.0177.38
4.3.60.0030.0207.38
4.3.50.0030.0207.38
4.3.40.0100.0277.38
4.3.30.0030.0207.38
4.3.20.0030.0307.38
4.3.10.0030.0207.38
4.3.00.0100.03010.14

preferences:
40.12 ms | 401 KiB | 5 Q