3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ParentClass { public final function __construct($x) { echo 'a'; } } class ChildClass extends ParentClass { } new ChildClass;

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)
8.3.60.0110.00416.63
8.3.50.0120.00318.18
8.3.40.0070.00718.71
8.3.30.0090.00618.79
8.3.20.0180.00020.14
8.3.10.0080.00023.66
8.3.00.0040.00419.79
8.2.180.0140.00718.54
8.2.170.0100.01022.96
8.2.160.0100.00720.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00321.18
8.2.120.0050.00326.35
8.2.110.0030.00619.29
8.2.100.0040.00717.78
8.2.90.0080.00019.22
8.2.80.0040.00417.97
8.2.70.0050.00517.63
8.2.60.0000.00817.91
8.2.50.0030.00518.07
8.2.40.0030.00520.94
8.2.30.0030.00320.52
8.2.20.0000.00817.61
8.2.10.0000.00717.87
8.2.00.0040.00417.90
8.1.280.0150.00625.92
8.1.270.0100.00618.82
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.00323.71
8.1.230.0110.00021.04
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.13
8.1.190.0080.00017.23
8.1.180.0020.00518.10
8.1.170.0030.00518.52
8.1.160.0000.00820.63
8.1.150.0050.00218.76
8.1.140.0050.00319.43
8.1.130.0030.00317.58
8.1.120.0000.00717.31
8.1.110.0000.00717.19
8.1.100.0030.00517.20
8.1.90.0030.00417.36
8.1.80.0070.00017.35
8.1.70.0000.00717.22
8.1.60.0060.00317.49
8.1.50.0040.00417.48
8.1.40.0060.00317.46
8.1.30.0050.00317.56
8.1.20.0000.00817.57
8.1.10.0040.00417.49
8.1.00.0000.00717.33
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0070.00018.32
8.0.270.0000.00717.11
8.0.260.0000.00717.21
8.0.250.0000.00716.97
8.0.240.0000.00717.02
8.0.230.0000.00816.87
8.0.220.0050.00216.88
8.0.210.0000.00716.79
8.0.200.0000.00716.98
8.0.190.0040.00416.82
8.0.180.0040.00416.97
8.0.170.0040.00416.93
8.0.160.0000.00816.97
8.0.150.0050.00516.73
8.0.140.0030.00316.73
8.0.130.0050.00013.36
8.0.120.0040.00416.85
8.0.110.0000.00816.88
8.0.100.0040.00316.83
8.0.90.0030.00316.75
8.0.80.0100.00716.95
8.0.70.0030.00516.76
8.0.60.0030.00616.91
8.0.50.0080.00016.85
8.0.30.0110.00917.10
8.0.20.0110.00817.40
8.0.10.0030.00316.99
8.0.00.0090.00916.63
7.4.330.0000.00516.82
7.4.320.0030.00316.27
7.4.300.0000.00616.54
7.4.290.0030.00316.55
7.4.280.0000.00916.54
7.4.270.0000.00716.44
7.4.260.0040.00216.43
7.4.250.0000.00816.54
7.4.240.0010.00616.50
7.4.230.0030.00316.42
7.4.220.0140.00316.39
7.4.210.0070.01216.53
7.4.200.0040.00416.43
7.4.160.0050.01016.55
7.4.150.0070.01017.40
7.4.140.0120.01017.86
7.4.130.0090.00916.55
7.4.120.0100.00816.58
7.4.110.0070.01016.54
7.4.100.0100.00716.49
7.4.90.0090.00916.52
7.4.80.0060.01619.39
7.4.70.0060.01716.38
7.4.60.0070.01016.40
7.4.50.0070.00716.25
7.4.40.0110.00716.53
7.4.30.0000.01716.46
7.4.00.0110.00415.09
7.3.330.0030.00313.28
7.3.320.0000.00513.36
7.3.310.0030.00316.25
7.3.300.0000.00716.27
7.3.290.0030.00316.30
7.3.280.0040.01216.33
7.3.270.0110.01117.40
7.3.260.0120.00916.17
7.3.240.0100.00616.55
7.3.230.0100.00716.46
7.3.210.0130.00316.28
7.3.200.0030.01216.45
7.3.190.0040.01216.50
7.3.180.0150.00616.24
7.3.170.0110.00716.48
7.3.160.0080.00816.46
7.2.330.0070.01116.66
7.2.320.0160.00316.58
7.2.310.0120.00616.35
7.2.300.0120.00916.57
7.2.290.0140.00316.52
7.2.60.0070.00716.48
7.2.00.0000.01718.94
7.1.200.0080.01115.51
7.1.100.0200.00015.96
7.1.70.0050.00317.00
7.1.60.0100.01719.13
7.1.50.0030.01716.85
7.1.00.0070.07322.48
7.0.200.0060.00316.71
7.0.60.0000.09319.99
7.0.50.0070.07717.84
7.0.40.0000.06320.24
7.0.30.0270.08720.06
7.0.20.0400.04320.26
7.0.10.0070.09020.06
7.0.00.0030.04320.19
5.6.280.0030.03020.91
5.6.210.0130.06020.53
5.6.200.0130.05018.22
5.6.190.0030.04320.61
5.6.180.0430.06720.63
5.6.170.0170.05720.44
5.6.160.0070.08320.74
5.6.150.0070.07718.23
5.6.140.0000.04318.27
5.6.130.0070.08718.18
5.6.120.0000.05320.92
5.6.110.0170.07021.11
5.6.100.0130.07720.98
5.6.90.0100.08021.11
5.6.80.0070.07020.41
5.5.350.0000.05320.41
5.5.340.0100.05317.96
5.5.330.0100.03720.37
5.5.320.0330.08320.34
5.5.310.0230.08320.24
5.5.300.0030.08318.00
5.5.290.0130.07717.98
5.5.280.0070.05020.87
5.5.270.0030.05320.88
5.5.260.0070.04320.86
5.5.250.0070.08320.46
5.5.240.0130.07720.27

preferences:
50.85 ms | 400 KiB | 5 Q