3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class_name = "class@anonymous"."\\0".__FILE__; class_alias($class_name, 'MyAlias'); $d = get_declared_classes(); end($d); var_dump(current($d)); 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)
8.3.60.0140.00416.36
8.3.50.0140.00417.93
8.3.40.0110.00418.70
8.3.30.0100.00718.65
8.3.20.0040.00420.25
8.3.10.0060.00323.53
8.3.00.0040.00419.29
8.2.180.0060.00916.85
8.2.170.0060.00922.96
8.2.160.0070.00720.23
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0090.00017.38
8.2.120.0000.00726.35
8.2.110.0030.00620.10
8.2.100.0080.00417.90
8.2.90.0070.00019.09
8.2.80.0060.00317.97
8.2.70.0000.00817.50
8.2.60.0000.00817.68
8.2.50.0040.00418.07
8.2.40.0050.00219.34
8.2.30.0030.00320.63
8.2.20.0030.00617.73
8.2.10.0040.00418.06
8.2.00.0040.00418.12
8.1.280.0150.00425.92
8.1.270.0080.00023.99
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0040.00423.97
8.1.230.0040.00719.44
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0030.00518.10
8.1.170.0080.00018.81
8.1.160.0040.00421.95
8.1.150.0080.00018.74
8.1.140.0080.00019.37
8.1.130.0040.00417.57
8.1.120.0000.00817.37
8.1.110.0040.00417.43
8.1.100.0000.00717.29
8.1.90.0050.00217.38
8.1.80.0030.00317.38
8.1.70.0070.00017.24
8.1.60.0030.00617.45
8.1.50.0030.00517.52
8.1.40.0080.00017.57
8.1.30.0040.00417.54
8.1.20.0040.00417.59
8.1.10.0040.00417.54
8.1.00.0020.00517.43
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0040.00418.37
8.0.270.0040.00417.16
8.0.260.0030.00317.05
8.0.250.0030.00316.85
8.0.240.0030.00316.84
8.0.230.0070.00016.93
8.0.220.0040.00316.77
8.0.210.0040.00416.78
8.0.200.0060.00016.94
8.0.190.0040.00416.87
8.0.180.0040.00416.97
8.0.170.0030.00616.75
8.0.160.0040.00416.83
8.0.150.0080.00016.78
8.0.140.0030.00316.91
8.0.130.0000.00613.25
8.0.120.0040.00416.86
8.0.110.0080.00016.89
8.0.100.0050.00316.84
8.0.90.0000.00816.70
8.0.80.0090.00616.86
8.0.70.0040.00416.78
8.0.60.0000.00716.79
8.0.50.0040.00416.68
8.0.30.0130.00417.06
8.0.20.0110.00817.40
8.0.10.0040.00416.86
8.0.00.0050.01216.69
7.4.330.0050.00016.80
7.4.320.0070.00016.55
7.4.300.0000.00616.52
7.4.290.0030.00316.51
7.4.280.0020.00516.59
7.4.270.0070.00016.50
7.4.260.0030.00316.60
7.4.250.0000.00716.36
7.4.240.0030.00316.46
7.4.230.0000.00716.58
7.4.220.0150.00616.45
7.4.210.0030.01016.63
7.4.200.0000.00716.32
7.4.160.0130.00316.48
7.4.150.0090.00917.40
7.4.140.0110.01217.86
7.4.130.0090.00816.63
7.4.120.0060.01116.53
7.4.110.0040.01516.41
7.4.100.0180.00616.49
7.4.90.0150.00616.36
7.4.80.0100.00619.39
7.4.70.0140.00916.30
7.4.60.0120.00316.48
7.4.50.0110.00716.46
7.4.40.0120.01316.37
7.4.30.0140.00316.57
7.4.00.0030.01315.09
7.3.330.0000.00513.14
7.3.320.0060.00012.97
7.3.310.0040.00416.25
7.3.300.0000.00716.25
7.3.290.0060.00016.25
7.3.280.0110.01016.27
7.3.270.0120.01217.40
7.3.260.0200.00316.54
7.3.250.0100.00916.49
7.3.240.0080.01416.24
7.3.230.0090.00916.52
7.3.210.0110.00716.54
7.3.200.0060.01116.28
7.3.190.0120.00316.12
7.3.180.0070.01016.45
7.3.170.0110.00616.44
7.3.160.0100.00616.57
7.2.330.0100.00916.57
7.2.320.0050.01416.59
7.2.310.0000.01716.45
7.2.300.0060.00916.33
7.2.290.0060.01216.57
7.2.60.0120.00316.98
7.2.00.0040.00819.27
7.1.200.0130.00015.60
7.1.100.0090.00617.86
7.1.70.0060.00917.28
7.1.60.0040.00819.48
7.1.50.0040.01816.96
7.1.00.0000.08022.32
7.0.200.0170.00714.80
7.0.60.0000.09020.00
7.0.50.0070.06017.89
7.0.40.0000.05020.23
7.0.30.0330.07720.13
7.0.20.0330.05720.08
7.0.10.0070.05319.99
7.0.00.0070.08720.22
5.6.280.0000.04320.92
5.6.210.0030.05020.69
5.6.200.0030.05718.08
5.6.190.0070.08320.35
5.6.180.0270.04720.45
5.6.170.0170.05720.62
5.6.160.0030.08720.54
5.6.150.0100.06018.22
5.6.140.0070.08718.11
5.6.130.0030.04318.11
5.6.120.0100.04021.03
5.6.110.0070.08720.95
5.6.100.0070.08721.00
5.6.90.0200.06720.95
5.6.80.0070.08020.52
5.5.350.4300.04020.38
5.5.340.0030.04318.02
5.5.330.0070.06720.24
5.5.320.0100.08020.31
5.5.310.0170.06320.23
5.5.300.0000.06318.02
5.5.290.0030.08317.89
5.5.280.0070.08020.80
5.5.270.0070.04020.86
5.5.260.0000.04720.96
5.5.250.0130.08020.54
5.5.240.0900.06020.18

preferences:
54.33 ms | 400 KiB | 5 Q