3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A {} $obj = new A; class_alias($obj, 'B'); $b = new 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)
8.3.60.0080.00816.62
8.3.50.0120.00722.04
8.3.40.0070.00719.02
8.3.30.0070.00718.83
8.3.20.0050.00320.29
8.3.10.0040.00423.41
8.3.00.0080.00019.38
8.2.180.0150.00416.50
8.2.170.0120.00622.96
8.2.160.0080.00521.98
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00619.23
8.2.120.0030.00526.35
8.2.110.0100.00021.11
8.2.100.0040.00817.93
8.2.90.0000.00719.08
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0080.00017.91
8.2.50.0060.00618.07
8.2.40.0000.00719.20
8.2.30.0040.00420.54
8.2.20.0060.00317.72
8.2.10.0050.00317.99
8.2.00.0060.00317.94
8.1.280.0040.01425.92
8.1.270.0030.00722.23
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0100.00019.14
8.1.230.0080.00417.54
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.00917.13
8.1.190.0040.00417.00
8.1.180.0000.00718.10
8.1.170.0000.00718.55
8.1.160.0000.00821.86
8.1.150.0050.00218.82
8.1.140.0070.00019.56
8.1.130.0030.00317.67
8.1.120.0070.00017.39
8.1.110.0000.00817.32
8.1.100.0070.00017.36
8.1.90.0040.00417.44
8.1.80.0040.00417.28
8.1.70.0070.00017.34
8.1.60.0090.00017.41
8.1.50.0060.00317.40
8.1.40.0060.00317.56
8.1.30.0030.00517.63
8.1.20.0030.00517.71
8.1.10.0000.00817.54
8.1.00.0040.00417.50
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.34
8.0.270.0050.00217.25
8.0.260.0030.00317.17
8.0.250.0030.00316.87
8.0.240.0000.00816.96
8.0.230.0000.00817.00
8.0.220.0000.00716.82
8.0.210.0000.00816.75
8.0.200.0030.00316.97
8.0.190.0000.00716.88
8.0.180.0050.00516.91
8.0.170.0000.00916.91
8.0.160.0050.00316.98
8.0.150.0040.00416.85
8.0.140.0040.00716.77
8.0.130.0030.00313.34
8.0.120.0030.00516.91
8.0.110.0040.00416.95
8.0.100.0000.00716.94
8.0.90.0000.00716.93
8.0.80.0070.00716.84
8.0.70.0070.00016.76
8.0.60.0000.00716.91
8.0.50.0000.00716.89
8.0.30.0180.00317.05
8.0.20.0140.00417.40
8.0.10.0000.00816.91
8.0.00.0130.00616.74
7.4.330.0000.00516.83
7.4.320.0000.00716.35
7.4.300.0000.00616.41
7.4.290.0040.00416.47
7.4.280.0000.00816.58
7.4.270.0070.00016.58
7.4.260.0000.00716.48
7.4.250.0040.00416.47
7.4.240.0020.00616.55
7.4.230.0000.00716.38
7.4.220.0120.00616.63
7.4.210.0080.01116.59
7.4.200.0070.00016.41
7.4.160.0080.00816.50
7.4.150.0130.00617.40
7.4.140.0100.01017.86
7.4.130.0130.00716.51
7.4.120.0080.01216.43
7.4.110.0030.01316.54
7.4.100.0040.01916.45
7.4.90.0030.01516.43
7.4.80.0160.00319.39
7.4.70.0140.00616.55
7.4.60.0110.00516.59
7.4.50.0130.00316.32
7.4.40.0070.01016.62
7.4.30.0110.00516.51
7.4.00.0060.00915.27
7.3.330.0060.00013.27
7.3.320.0030.00313.16
7.3.310.0030.00316.25
7.3.300.0050.00216.18
7.3.290.0070.00016.29
7.3.280.0080.00916.28
7.3.270.0070.01117.40
7.3.260.0170.00016.33
7.3.250.0080.01016.39
7.3.240.0110.00716.45
7.3.230.0110.00616.39
7.3.210.0130.00316.57
7.3.200.0100.00616.30
7.3.190.0070.01016.22
7.3.180.0060.01116.30
7.3.170.0090.00616.46
7.3.160.0060.00916.26
7.2.330.0260.02216.62
7.2.320.0040.01316.64
7.2.310.0090.01216.55
7.2.300.0060.01216.63
7.2.290.0190.00416.54
7.2.60.0030.01316.46
7.2.00.0090.00919.34
7.1.200.0000.01015.59
7.1.100.0040.00818.04
7.1.70.0030.00617.11
7.1.60.0060.00919.48
7.1.50.0130.00616.90
7.1.00.0030.07722.28
7.0.200.0300.00714.54
7.0.60.0070.06319.89
7.0.50.0030.04017.87
7.0.40.0200.07720.20
7.0.30.0130.07020.15
7.0.20.0330.08720.22
7.0.10.0100.08320.10
7.0.00.0070.08320.22
5.6.280.0030.04321.15
5.6.210.0030.04020.68
5.6.200.0030.06318.16
5.6.190.0070.08720.55
5.6.180.0200.04720.58
5.6.170.0230.07320.62
5.6.160.0170.07720.45
5.6.150.0200.06018.27
5.6.140.0100.04718.17
5.6.130.0000.04718.16
5.6.120.0030.08720.97
5.6.110.0130.07321.00
5.6.100.0030.08720.97
5.6.90.0070.08321.07
5.6.80.0130.07720.42
5.5.350.4170.04020.49
5.5.340.0100.04017.99
5.5.330.0030.07720.27
5.5.320.0200.04320.24
5.5.310.0230.07020.23
5.5.300.0130.03317.95
5.5.290.0000.04317.97
5.5.280.0070.06320.65
5.5.270.0030.05020.72
5.5.260.0030.07020.95
5.5.250.0130.06720.66
5.5.240.0300.06320.28

preferences:
45.78 ms | 401 KiB | 5 Q