3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { private static $a = null; public static function x() { echo static::$a; } } class B extends A { protected static $a = '55552352\M5'; } echo B::x();

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)
8.3.70.0170.00316.38
8.3.60.0100.01316.50
8.3.50.0100.00822.92
8.3.40.0040.01118.71
8.3.30.0070.00718.59
8.3.20.0080.00018.49
8.3.10.0070.00023.61
8.3.00.0080.00020.96
8.2.180.0070.00716.50
8.2.170.0100.01022.96
8.2.160.0070.00720.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00420.86
8.2.120.0080.00026.35
8.2.110.0090.00022.21
8.2.100.0090.00317.78
8.2.90.0040.00417.63
8.2.80.0060.00318.61
8.2.70.0040.00418.04
8.2.60.0040.00417.93
8.2.50.0000.00818.22
8.2.40.0040.00420.65
8.2.30.0070.00019.16
8.2.20.0070.00018.15
8.2.10.0050.00317.86
8.2.00.0040.00417.59
8.1.280.0140.00325.92
8.1.270.0040.00422.18
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0000.00923.92
8.1.230.0110.00022.82
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0000.00718.89
8.1.180.0000.00818.10
8.1.170.0000.00718.79
8.1.160.0040.00418.68
8.1.150.0000.00720.16
8.1.140.0020.00519.48
8.1.130.0000.00717.44
8.1.120.0040.00417.41
8.1.110.0040.00417.25
8.1.100.0080.00017.20
8.1.90.0080.00017.35
8.1.80.0040.00417.32
8.1.70.0070.00017.24
8.1.60.0040.00417.39
8.1.50.0080.00017.45
8.1.40.0080.00017.46
8.1.30.0000.00917.40
8.1.20.0050.00317.46
8.1.10.0030.00517.36
8.1.00.0000.00817.50
8.0.300.0090.00018.77
8.0.290.0040.00716.63
8.0.280.0030.00318.43
8.0.270.0040.00417.22
8.0.260.0050.00317.24
8.0.250.0030.00316.89
8.0.240.0030.00316.98
8.0.230.0040.00416.89
8.0.220.0040.00416.76
8.0.210.0030.00316.83
8.0.200.0050.00316.88
8.0.190.0050.00316.89
8.0.180.0050.00516.81
8.0.170.0040.00416.86
8.0.160.0000.00816.81
8.0.150.0000.00716.53
8.0.140.0000.00716.60
8.0.130.0030.00313.18
8.0.120.0050.00316.75
8.0.110.0080.00016.64
8.0.100.0000.00716.63
8.0.90.0070.00016.73
8.0.80.0030.01216.79
8.0.70.0040.00416.58
8.0.60.0000.00716.63
8.0.50.0030.00516.75
8.0.30.0090.01017.09
8.0.20.0100.00917.40
8.0.10.0090.00016.89
8.0.00.0150.00316.88
7.4.330.0030.00315.55
7.4.320.0030.00316.36
7.4.300.0070.00016.43
7.4.290.0050.00316.34
7.4.280.0040.00416.47
7.4.270.0030.00316.57
7.4.260.0030.00316.31
7.4.250.0000.00716.38
7.4.240.0000.00716.55
7.4.230.0000.00716.61
7.4.220.0120.01516.59
7.4.210.0150.00316.55
7.4.200.0050.00216.57
7.4.160.0140.00516.48
7.4.150.0140.00317.40
7.4.140.0100.01117.86
7.4.130.0080.00816.46
7.4.120.0120.00816.44
7.4.110.0130.01016.33
7.4.100.0100.01316.63
7.4.90.0100.00716.39
7.4.80.0110.01119.39
7.4.70.0070.01016.49
7.4.60.0040.01116.38
7.4.50.0060.00916.41
7.4.40.0040.01116.11
7.4.30.0100.00716.45
7.4.00.0060.00615.05
7.3.330.0000.00513.36
7.3.320.0030.00313.29
7.3.310.0040.00416.39
7.3.300.0070.00016.29
7.3.290.0120.00416.27
7.3.280.0080.01316.27
7.3.270.0040.01717.40
7.3.260.0080.00916.42
7.3.250.0060.01016.29
7.3.240.0110.00816.26
7.3.230.0120.00616.46
7.3.210.0100.00616.43
7.3.200.0040.01116.46
7.3.190.0110.00416.29
7.3.180.0090.00616.24
7.3.170.0130.00316.48
7.3.160.0070.01416.55
7.2.330.0140.00316.71
7.2.320.0110.00816.71
7.2.310.0090.01516.39
7.2.300.0150.00616.76
7.2.290.0060.01316.43
7.2.60.0100.00316.97
7.2.50.0090.00316.87
7.2.00.0000.01119.36
7.1.200.0040.01115.79
7.1.70.0000.00817.09
7.1.60.0060.00616.86
7.1.00.0100.07022.44
7.0.200.0070.00714.95
7.0.130.0070.06022.13
7.0.120.0070.05722.02
7.0.110.0100.07022.00
7.0.100.0130.07321.99
7.0.90.0170.05722.27
7.0.80.0130.05322.05
7.0.70.0130.05322.07
7.0.60.0130.06022.13
7.0.50.0130.05322.07
7.0.40.0100.06321.98
7.0.30.0200.06322.07
7.0.20.0200.05322.14
7.0.10.0030.06022.07
7.0.00.0230.07322.11
5.6.280.0170.05021.08
5.6.270.0070.07020.91
5.6.260.0130.05320.80
5.6.250.0070.05720.99
5.6.240.0070.06321.11
5.6.230.0100.06321.04
5.6.220.0100.05720.98
5.6.210.0100.05320.92
5.6.200.0130.06721.09
5.6.190.0100.07021.00
5.6.180.0070.06320.84
5.6.170.0130.07321.01
5.6.160.0000.06320.94
5.6.150.0030.06020.84
5.6.140.0000.06321.09
5.6.130.0070.05721.04
5.6.120.0030.06020.99
5.6.110.0030.07321.00
5.6.100.0100.05320.88
5.6.90.0070.05721.00
5.6.80.0100.04720.48
5.6.70.0100.04720.46
5.6.60.0030.05720.12
5.6.50.0030.05320.45
5.6.40.0000.05720.45
5.6.30.0030.06020.37
5.6.20.0000.06320.36
5.6.10.0170.04020.29
5.6.00.0000.06020.38

preferences:
60.34 ms | 401 KiB | 5 Q