3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { private static $x = 1; } class B extends A { function bar() { var_dump(self::$x); } }; class C extends A { function bar() { var_dump(A::$x); } }; $a = new B; $a->bar(); $b = new C; $b->bar();

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)
8.3.60.0140.00716.63
8.3.50.0120.00617.92
8.3.40.0040.01118.98
8.3.30.0030.01218.63
8.3.20.0000.00720.21
8.3.10.0080.00023.70
8.3.00.0080.00019.38
8.2.180.0150.00018.29
8.2.170.0100.00322.96
8.2.160.0130.00022.12
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0030.00626.16
8.2.120.0000.00720.91
8.2.110.0060.00320.38
8.2.100.0060.00617.93
8.2.90.0040.00419.22
8.2.80.0050.00317.97
8.2.70.0060.00317.61
8.2.60.0030.00618.04
8.2.50.0000.00918.07
8.2.40.0060.00319.38
8.2.30.0000.00720.72
8.2.20.0040.00417.55
8.2.10.0030.00617.88
8.2.00.0040.00418.04
8.1.280.0100.00725.92
8.1.270.0040.00422.05
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00322.19
8.1.230.0080.00317.66
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0060.00317.13
8.1.180.0030.00618.10
8.1.170.0070.00018.70
8.1.160.0040.00421.97
8.1.150.0020.00518.83
8.1.140.0040.00419.54
8.1.130.0000.00717.52
8.1.120.0000.00817.28
8.1.110.0040.00417.43
8.1.100.0040.00417.31
8.1.90.0000.00717.35
8.1.80.0000.00717.36
8.1.70.0050.00317.37
8.1.60.0040.00417.54
8.1.50.0060.00317.41
8.1.40.0040.00417.52
8.1.30.0050.00317.63
8.1.20.0040.00417.68
8.1.10.0060.00317.55
8.1.00.0100.00017.55
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.30
8.0.270.0030.00317.11
8.0.260.0060.00017.18
8.0.250.0000.00716.85
8.0.240.0000.00816.94
8.0.230.0000.00716.93
8.0.220.0030.00316.78
8.0.210.0040.00416.90
8.0.200.0030.00316.93
8.0.190.0000.00717.00
8.0.180.0050.00316.80
8.0.170.0040.00416.79
8.0.160.0030.00516.97
8.0.150.0000.00716.79
8.0.140.0030.00616.70
8.0.130.0030.00313.39
8.0.120.0030.00516.73
8.0.110.0060.00316.95
8.0.100.0000.00716.89
8.0.90.0050.00316.75
8.0.80.0060.00916.83
8.0.70.0080.00016.88
8.0.60.0070.00016.75
8.0.50.0080.00016.77
8.0.30.0060.01217.03
8.0.20.0120.00717.40
8.0.10.0000.00716.95
8.0.00.0070.00916.75
7.4.330.0030.00315.08
7.4.320.0030.00316.42
7.4.300.0030.00316.64
7.4.290.0000.00716.43
7.4.280.0030.00616.47
7.4.270.0070.00016.59
7.4.260.0000.00716.38
7.4.250.0000.00716.50
7.4.240.0000.00816.39
7.4.230.0050.00316.47
7.4.220.0120.00616.60
7.4.210.0030.01416.53
7.4.200.0000.00716.61
7.4.160.0090.00616.59
7.4.150.0090.00817.40
7.4.140.0100.01417.86
7.4.130.0110.00716.37
7.4.120.0170.00216.44
7.4.110.0070.01616.56
7.4.100.0120.00916.61
7.4.90.0090.00916.33
7.4.80.0120.01119.39
7.4.70.0090.01216.23
7.4.60.0000.01516.43
7.4.50.0100.00716.33
7.4.40.0000.01916.37
7.4.30.0080.00816.42
7.4.00.0060.01214.96
7.3.330.0030.00313.39
7.3.320.0030.00313.34
7.3.310.0070.00016.39
7.3.300.0000.00716.24
7.3.290.0110.00516.38
7.3.280.0080.00916.37
7.3.270.0100.01017.40
7.3.260.0100.00716.44
7.3.240.0090.00916.32
7.3.230.0140.00416.57
7.3.210.0110.00716.52
7.3.200.0030.01316.48
7.3.190.0110.00516.29
7.3.180.0000.01716.29
7.3.170.0180.00316.44
7.3.160.0040.01116.59
7.2.330.0170.00016.46
7.2.320.0070.01416.62
7.2.310.0070.01016.38
7.2.300.0090.00916.60
7.2.290.0080.01516.56
7.2.60.0090.00616.71
7.2.00.0000.01119.35
7.1.200.0030.01115.49
7.1.100.0060.00318.11
7.1.70.0030.00917.02
7.1.60.0130.01319.48
7.1.50.0070.01016.94
7.1.00.0070.07022.49
7.0.200.0220.00414.55
7.0.60.0070.07020.00
7.0.50.0000.06317.86
7.0.40.0130.07720.05
7.0.30.0070.08320.13
7.0.20.0200.06720.19
7.0.10.0070.06720.25
7.0.00.0030.04320.18
5.6.280.0030.03021.04
5.6.210.0000.08720.77
5.6.200.0100.08018.15
5.6.190.0030.06720.48
5.6.180.0200.08320.46
5.6.170.0270.08020.50
5.6.160.0130.08320.55
5.6.150.0130.07018.17
5.6.140.0070.08318.24
5.6.130.0000.05718.11
5.6.120.0170.07321.09
5.6.110.0030.04321.00
5.6.100.0000.07021.01
5.6.90.0070.08321.04
5.6.80.0100.08020.52
5.5.350.0600.05320.41
5.5.340.0070.05018.09
5.5.330.0100.08020.40
5.5.320.0530.07020.37
5.5.310.0230.05320.19
5.5.300.0000.04017.98
5.5.290.0030.04018.04
5.5.280.0070.07020.85
5.5.270.0100.08020.77
5.5.260.0030.08020.94
5.5.250.0130.07720.55
5.5.240.0330.07020.20

preferences:
49.58 ms | 400 KiB | 5 Q