3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class_name = "class@anonymous".chr(0).__FILE__; class_alias($class_name, 'MyAlias'); $d = get_declared_classes(); end($d); var_dump(current($d)); var_dump(new $class_name); var_dump(new MyAlias);

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)
8.3.40.0110.00718.81
8.3.30.0120.00318.71
8.3.20.0000.00720.22
8.3.10.0080.00023.65
8.3.00.0000.00819.38
8.2.170.0060.00922.96
8.2.160.0070.00720.35
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0000.00917.35
8.2.120.0040.00426.35
8.2.110.0090.00021.13
8.2.100.0110.00017.78
8.2.90.0040.00419.09
8.2.80.0070.00417.97
8.2.70.0000.00817.25
8.2.60.0040.00717.93
8.2.50.0000.00818.07
8.2.40.0050.00319.52
8.2.30.0050.00320.64
8.2.20.0070.00417.61
8.2.10.0070.00018.03
8.2.00.0000.00717.95
8.1.270.0030.00623.80
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0100.00722.02
8.1.230.0070.00318.87
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0000.00918.70
8.1.160.0030.00321.82
8.1.150.0050.00218.70
8.1.140.0000.00819.55
8.1.130.0000.00717.55
8.1.120.0050.00217.30
8.1.110.0070.00017.35
8.1.100.0000.00717.23
8.1.90.0040.00417.45
8.1.80.0070.00017.27
8.1.70.0000.00817.21
8.1.60.0050.00317.40
8.1.50.0060.00317.47
8.1.40.0000.00917.41
8.1.30.0050.00317.63
8.1.20.0050.00317.69
8.1.10.0000.00717.44
8.1.00.0040.00417.44
8.0.300.0080.00020.19
8.0.290.0040.00416.63
8.0.280.0000.00718.33
8.0.270.0070.00317.13
8.0.260.0040.00417.23
8.0.250.0040.00416.89
8.0.240.0000.00816.96
8.0.230.0050.00316.84
8.0.220.0000.00716.89
8.0.210.0000.00716.78
8.0.200.0030.00316.88
8.0.190.0040.00416.89
8.0.180.0050.00316.89
8.0.170.0080.00016.82
8.0.160.0040.00416.79
8.0.150.0040.00416.82
8.0.140.0040.00416.91
8.0.130.0030.00313.25
8.0.120.0030.00516.82
8.0.110.0040.00416.82
8.0.100.0040.00416.83
8.0.90.0040.00416.69
8.0.80.0050.00916.84
8.0.70.0070.00016.84
8.0.60.0040.00416.88
8.0.50.0040.00416.77
8.0.30.0080.01217.11
8.0.20.0130.00617.40
8.0.10.0040.00417.13
8.0.00.0080.00916.69
7.4.330.0050.00016.85
7.4.320.0030.00316.43
7.4.300.0070.00016.59
7.4.290.0000.00616.59
7.4.280.0000.00816.40
7.4.270.0040.00416.52
7.4.260.0030.00316.61
7.4.250.0000.00816.54
7.4.240.0070.00016.54
7.4.230.0000.00716.43
7.4.220.0060.01216.54
7.4.210.0130.00316.52
7.4.200.0070.00016.55
7.4.160.0090.00616.54
7.4.150.0070.01117.40
7.4.140.0150.00917.86
7.4.130.0050.01316.59
7.4.120.0120.00516.51
7.4.110.0130.00616.41
7.4.100.0120.01116.48
7.4.90.0070.01116.58
7.4.80.0100.00619.39
7.4.70.0030.01316.43
7.4.60.0100.01016.41
7.4.50.0070.00516.46
7.4.40.0120.00416.33
7.4.30.0180.00016.38
7.4.00.0090.00614.85
7.3.330.0000.00613.26
7.3.320.0050.00013.23
7.3.310.0000.00716.32
7.3.300.0030.00316.36
7.3.290.0030.00316.34
7.3.280.0090.00916.31
7.3.270.0060.01117.40
7.3.260.0100.01016.52
7.3.250.0080.01216.55
7.3.240.0090.01116.57
7.3.230.0080.00816.73
7.3.210.0080.00916.45
7.3.200.0030.01316.42
7.3.190.0120.00316.15
7.3.180.0030.01316.41
7.3.170.0130.00616.67
7.3.160.0120.00616.35
7.2.330.0120.00816.64
7.2.320.0100.01016.50
7.2.310.0090.00916.71
7.2.300.0100.00616.55
7.2.290.0100.01316.50
7.2.60.0000.01216.82
7.2.00.0000.01519.07
7.1.200.0090.00315.93
7.1.100.0090.00018.04
7.1.70.0070.00717.21
7.1.60.0070.01119.48
7.1.50.0170.00316.69
7.1.00.0070.07722.31
7.0.200.0110.00614.86
7.0.60.0100.08020.05
7.0.50.0070.08017.86
7.0.40.0070.05320.40
7.0.30.0300.08320.16
7.0.20.0230.04320.04
7.0.10.0130.06720.31
7.0.00.0100.07320.33
5.6.280.0100.03720.77
5.6.210.0000.09020.49
5.6.200.0070.04018.20
5.6.190.0070.08320.39
5.6.180.0270.04320.49
5.6.170.0300.05020.67
5.6.160.0170.05020.38
5.6.150.0070.08018.19
5.6.140.0070.06318.20
5.6.130.0170.07018.16
5.6.120.0070.06020.98
5.6.110.0100.08720.97
5.6.100.0170.07320.95
5.6.90.0130.06721.12
5.6.80.0000.08320.50
5.5.350.3970.03720.39
5.5.340.0070.06017.92
5.5.330.0100.08020.21
5.5.320.0070.06320.32
5.5.310.0170.08720.28
5.5.300.0070.05317.92
5.5.290.0100.07318.02
5.5.280.0100.07720.88
5.5.270.0030.04720.67
5.5.260.0130.06020.95
5.5.250.0070.06320.61
5.5.240.0730.03720.25

preferences:
41.82 ms | 400 KiB | 5 Q