3v4l.org

run code in 300+ PHP versions simultaneously
<?php class O_B {} class O_A extends O_B { function __construct() { echo __CLASS__; } } function ff($classname) { echo $classname; } class_alias('O_A', 'A'); spl_autoload_register ('ff'); new A();

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)
8.3.60.0110.00418.30
8.3.50.0080.01221.92
8.3.40.0110.01118.70
8.3.30.0100.00320.26
8.3.20.0000.00820.34
8.3.10.0040.00421.97
8.3.00.0000.00822.40
8.2.180.0100.00716.38
8.2.170.0040.01122.96
8.2.160.0160.00422.12
8.2.150.0030.01724.18
8.2.140.0040.00424.66
8.2.130.0140.00326.16
8.2.120.0080.00019.64
8.2.110.0060.00320.22
8.2.100.0080.00417.59
8.2.90.0000.00919.23
8.2.80.0040.00419.38
8.2.70.0000.00817.50
8.2.60.0030.00617.80
8.2.50.0080.00318.07
8.2.40.0030.00618.09
8.2.30.0030.00518.00
8.2.20.0000.00717.64
8.2.10.0000.00817.68
8.2.00.0050.00217.62
8.1.280.0090.00625.92
8.1.270.0100.00724.66
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0090.00023.84
8.1.230.0060.00619.07
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0000.00917.25
8.1.190.0040.00417.40
8.1.180.0000.00819.13
8.1.170.0090.00018.64
8.1.160.0070.00022.13
8.1.150.0030.00518.51
8.1.140.0050.00317.36
8.1.130.0030.00317.75
8.1.120.0030.00617.39
8.1.110.0040.00417.28
8.1.100.0040.00417.36
8.1.90.0000.00717.34
8.1.80.0040.00417.38
8.1.70.0000.00717.33
8.1.60.0080.00017.52
8.1.50.0000.00717.29
8.1.40.0000.00817.34
8.1.30.0070.00017.50
8.1.20.0030.00617.59
8.1.10.0070.00017.40
8.1.00.0030.00517.45
8.0.300.0040.00418.77
8.0.290.0000.00716.93
8.0.280.0000.00718.36
8.0.270.0000.00716.69
8.0.260.0000.00616.80
8.0.250.0030.00316.78
8.0.240.0040.00416.82
8.0.230.0000.00716.75
8.0.220.0030.00616.78
8.0.210.0060.00016.68
8.0.200.0000.00716.81
8.0.190.0000.00816.80
8.0.180.0050.00216.77
8.0.170.0090.00016.78
8.0.160.0040.00416.67
8.0.150.0050.00316.61
8.0.140.0040.00416.60
8.0.130.0060.00013.14
8.0.120.0050.00316.63
8.0.110.0030.00616.81
8.0.100.0000.00716.61
8.0.90.0000.00716.77
8.0.80.0120.00916.79
8.0.70.0030.00316.76
8.0.60.0040.00416.63
8.0.50.0040.00416.87
8.0.30.0100.00916.95
8.0.20.0110.00717.40
8.0.10.0000.00716.88
8.0.00.0110.00716.79
7.4.330.0000.00615.00
7.4.320.0030.00316.44
7.4.300.0030.00316.52
7.4.290.0000.00616.36
7.4.280.0000.00616.57
7.4.270.0030.00316.58
7.4.260.0000.00613.20
7.4.250.0030.00316.48
7.4.240.0000.00816.55
7.4.230.0000.00616.23
7.4.220.0090.01216.47
7.4.210.0020.01316.51
7.4.200.0070.00016.30
7.4.190.0030.00316.51
7.4.160.0130.00416.33
7.4.150.0110.00517.40
7.4.140.0100.01017.86
7.4.130.0070.01116.49
7.4.120.0100.00716.47
7.4.110.0080.00916.33
7.4.100.0130.00316.41
7.4.90.0160.00016.32
7.4.80.0080.01519.39
7.4.70.0100.00716.58
7.4.60.0140.00316.38
7.4.50.0030.00516.15
7.4.40.0060.00322.77
7.4.30.0060.00916.43
7.4.00.0000.01114.61
7.3.330.0050.00013.24
7.3.320.0000.00613.10
7.3.310.0000.00716.35
7.3.300.0030.00316.09
7.3.290.0130.00016.31
7.3.280.0080.00916.22
7.3.270.0120.00817.40
7.3.260.0160.00916.23
7.3.250.0110.00716.46
7.3.240.0070.01316.41
7.3.230.0130.00316.39
7.3.210.0160.00316.52
7.3.200.0030.01619.39
7.3.190.0060.01616.42
7.3.180.0130.00316.28
7.3.170.0150.00316.52
7.3.160.0080.00816.42
7.3.120.0090.00614.83
7.2.330.0090.00916.49
7.2.320.0090.00916.44
7.2.310.0070.01316.54
7.2.300.0100.00716.27
7.2.290.0030.01416.73
7.2.00.0030.01019.51
7.1.100.0320.00417.60
7.1.70.0040.00416.96
7.1.60.0030.01619.43
7.1.50.0070.01416.98
7.1.00.0070.03022.24
7.0.200.0050.00316.36
7.0.140.0070.07022.04
7.0.60.0030.08319.97
7.0.50.0070.08017.86
7.0.40.0030.07020.30
7.0.30.0170.04320.31
7.0.20.0200.05720.20
7.0.10.0300.05320.32
7.0.00.0030.04320.08
5.6.210.0070.05720.47
5.6.200.0100.07718.15
5.6.190.0100.05320.51
5.6.180.0100.04720.77
5.6.170.0230.05320.52
5.6.160.0030.08020.46
5.6.150.0170.06318.18
5.6.140.0070.05718.18
5.6.130.0070.05018.18
5.6.120.0000.04721.02
5.6.110.0100.07720.89
5.6.100.0170.08021.01
5.6.90.0030.07721.08
5.6.80.0030.05020.38
5.6.70.0300.07720.42
5.5.350.0000.07320.39
5.5.340.0070.08017.98
5.5.330.0030.09020.42
5.5.320.0230.04020.34
5.5.310.0200.06020.35
5.5.300.0130.03718.07
5.5.290.0100.07717.99
5.5.280.0030.04020.87
5.5.270.0070.08320.82
5.5.260.0030.06720.84
5.5.250.0100.08020.70
5.5.240.0030.07020.16
5.4.450.0830.05319.59
5.4.440.0770.05319.47
5.4.430.0700.05719.58
5.4.420.0930.05719.59
5.4.410.0600.05719.25
5.4.400.1000.05318.51
5.4.390.1100.06018.61
5.4.380.0170.05718.52
5.4.370.0070.05718.75
5.4.360.0200.04318.56
5.4.350.0120.05512.02
5.4.340.0100.06312.02
5.4.320.0070.04212.50
5.4.310.0050.03912.50
5.4.300.0070.03512.51
5.4.290.0100.04312.50
5.4.280.0040.03712.40
5.4.270.0070.03612.40
5.4.260.0060.04312.40
5.4.250.0100.04412.40
5.4.240.0170.05018.74
5.4.230.0370.05018.84
5.4.220.0170.08019.01
5.4.210.0100.05318.92
5.4.200.0100.05018.95
5.4.190.0100.05718.85
5.4.180.0100.05018.83
5.4.170.0230.05018.63
5.4.160.0130.06718.71
5.4.150.0170.05718.76
5.4.140.0100.05716.39
5.4.130.0100.04316.48
5.4.120.0100.04316.45
5.4.110.0130.06316.52
5.4.100.0070.05316.41
5.4.90.0070.06016.60
5.4.80.0200.04716.40
5.4.70.0100.05016.45
5.4.60.0030.08016.39
5.4.50.0070.04716.37
5.4.40.0170.04016.59
5.4.30.0070.06316.51
5.4.20.0100.05016.37
5.4.10.0130.06016.44
5.4.00.0000.06315.88
5.3.290.0080.04212.80
5.3.280.0070.06014.78
5.3.270.0100.05014.70
5.3.260.0030.08714.69
5.3.250.0100.06714.77
5.3.240.0130.04714.58
5.3.230.0000.05714.67
5.3.220.0000.05714.42
5.3.210.0130.04314.47
5.3.200.0100.06014.63
5.3.190.0070.05714.57
5.3.180.0030.05714.54
5.3.170.0130.06314.79
5.3.160.0070.07314.70
5.3.150.0100.04714.55
5.3.140.0030.05714.55
5.3.130.0070.06014.52
5.3.120.0030.06714.55
5.3.110.0070.05714.63
5.3.100.0000.08014.14
5.3.90.0070.07314.15
5.3.80.0070.06014.10
5.3.70.0100.05714.11
5.3.60.0070.05013.83
5.3.50.0100.04714.04
5.3.40.0100.07014.01
5.3.30.0070.04314.13
5.3.20.0270.04013.86
5.3.10.0030.07313.63
5.3.00.0200.06013.71
5.2.170.0070.04711.15
5.2.160.0030.04711.13
5.2.150.0070.04711.13
5.2.140.0130.04010.97
5.2.130.0000.04711.17
5.2.120.0000.04311.18
5.2.110.0030.04310.93
5.2.100.0070.05711.07
5.2.90.0000.06311.06
5.2.80.0100.03711.05
5.2.70.0070.04011.17
5.2.60.0170.03310.89
5.2.50.0070.04010.94
5.2.40.0070.05311.16
5.2.30.0030.04711.15
5.2.20.0030.05010.96
5.2.10.0100.03310.93
5.2.00.0030.05710.95
5.1.60.0100.0439.91
5.1.50.0000.0479.95
5.1.40.0070.03310.02
5.1.30.0100.03710.24
5.1.20.0030.04310.32
5.1.10.0000.03710.05
5.1.00.0070.05010.31
5.0.50.0030.0378.64
5.0.40.0100.0238.49
5.0.30.0130.0408.21
5.0.20.0030.0308.25
5.0.10.0030.0278.16
5.0.00.0000.0478.36
4.4.90.0000.0306.46
4.4.80.0030.0276.46
4.4.70.0030.0206.46
4.4.60.0000.0236.46
4.4.50.0000.0236.46
4.4.40.0000.0436.46
4.4.30.0030.0206.46
4.4.20.0000.0236.46
4.4.10.0000.0236.46
4.4.00.0030.0376.46
4.3.110.0070.0206.46
4.3.100.0070.0176.46
4.3.90.0070.0206.46
4.3.80.0000.0536.46
4.3.70.0000.0276.46
4.3.60.0030.0176.46
4.3.50.0030.0206.46
4.3.40.0030.0336.46
4.3.30.0000.0236.46
4.3.20.0030.0306.46
4.3.10.0030.0206.46
4.3.00.0130.0207.09

preferences:
46.23 ms | 401 KiB | 5 Q