3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { const selfN = self::N; const N = 'A'; } class B extends A { const N = 'B'; } class C extends A { const N = 'C'; } var_dump(C::selfN); // A var_dump(B::selfN); // A

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)
8.4.130.0090.01018.69
8.4.120.0120.00824.04
8.4.110.0120.00818.85
8.4.100.0100.01018.80
8.4.90.0050.00418.21
8.4.80.0070.00119.63
8.4.70.0080.00717.98
8.4.60.0100.01018.87
8.4.50.0090.01020.47
8.4.40.0080.01123.92
8.4.30.0110.00619.21
8.4.20.0100.01017.79
8.4.10.0080.00819.27
8.3.260.0110.00916.33
8.3.250.0100.00418.85
8.3.240.0140.00717.21
8.3.230.0100.00916.74
8.3.220.0050.00317.13
8.3.210.0040.00316.56
8.3.200.0140.00516.55
8.3.190.0090.00917.02
8.3.180.0060.00216.74
8.3.170.0070.01117.05
8.3.160.0130.00618.23
8.3.150.0110.00716.36
8.3.140.0030.00517.14
8.3.130.0040.00416.44
8.3.120.0030.00618.75
8.3.110.0100.00620.94
8.3.100.0080.00024.06
8.3.90.0110.00726.77
8.3.80.0060.00316.38
8.3.70.0160.00618.30
8.3.60.0060.00916.63
8.3.50.0110.00817.36
8.3.40.0120.00618.64
8.3.30.0110.00318.71
8.3.20.0110.00320.30
8.3.10.0030.00623.56
8.3.00.0040.00419.26
8.2.290.0140.00520.22
8.2.280.0090.00318.29
8.2.270.0110.00717.04
8.2.260.0090.00618.26
8.2.250.0060.00322.07
8.2.240.0060.00316.87
8.2.230.0030.00522.58
8.2.220.0080.00037.54
8.2.210.0110.00726.77
8.2.200.0080.00016.13
8.2.190.0110.00716.63
8.2.180.0110.00716.50
8.2.170.0070.00722.96
8.2.160.0110.00820.38
8.2.150.0120.00324.18
8.2.140.0000.00724.66
8.2.130.0030.00621.03
8.2.120.0030.00526.35
8.2.110.0070.00319.35
8.2.100.0080.00417.81
8.2.90.0090.00019.07
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0030.00518.10
8.2.40.0000.00720.34
8.2.30.0060.00321.03
8.2.20.0080.00017.92
8.2.10.0030.00517.97
8.2.00.0070.00018.04
8.1.330.0090.00921.68
8.1.320.0050.00316.04
8.1.310.0070.00018.38
8.1.300.0030.00718.03
8.1.290.0060.00318.88
8.1.280.0030.01025.92
8.1.270.0040.00422.24
8.1.260.0040.00426.35
8.1.250.0040.00828.09
8.1.240.0030.00622.31
8.1.230.0060.00617.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.00
8.1.190.0030.00517.22
8.1.180.0060.00318.10
8.1.170.0040.00418.46
8.1.160.0040.00419.03
8.1.150.0070.00018.73
8.1.140.0030.00619.55
8.1.130.0060.00318.82
8.1.120.0000.01117.39
8.1.110.0040.00317.33
8.1.100.0040.00417.36
8.1.90.0030.00717.35
8.1.80.0040.00417.34
8.1.70.0030.00317.29
8.1.60.0050.00317.52
8.1.50.0040.00417.45
8.1.40.0000.00717.45
8.1.30.0000.00717.58
8.1.20.0000.00817.48
8.1.10.0030.00517.30
8.1.00.0000.00817.31
8.0.300.0000.00918.77
8.0.290.0070.00016.58
8.0.280.0070.00018.37
8.0.270.0070.00017.13
8.0.260.0060.00016.77
8.0.250.0000.00716.84
8.0.240.0000.00816.89
8.0.230.0040.00416.77
8.0.220.0000.00716.82
8.0.210.0030.00316.72
8.0.200.0030.00316.93
8.0.190.0030.00616.78
8.0.180.0000.00816.67
8.0.170.0000.00716.82
8.0.160.0080.00016.88
8.0.150.0000.00716.77
8.0.140.0000.00716.80
8.0.130.0000.00513.23
8.0.120.0070.00016.83
8.0.110.0070.00016.68
8.0.100.0020.00516.76
8.0.90.0000.00716.67
8.0.80.0030.01216.78
8.0.70.0000.00716.93
8.0.60.0050.00316.86
8.0.50.0040.00416.82
8.0.30.0130.00516.82
8.0.20.0120.00817.40
8.0.10.0000.00716.98
8.0.00.0150.00716.65
7.4.330.0060.00015.55
7.4.320.0030.00316.50
7.4.300.0000.00616.53
7.4.290.0040.00416.52
7.4.280.0070.00016.56
7.4.270.0000.00716.38
7.4.260.0000.00716.50
7.4.250.0080.00016.44
7.4.240.0030.00416.36
7.4.230.0000.00716.41
7.4.220.0070.02216.56
7.4.210.0090.00516.53
7.4.200.0000.00716.45
7.4.160.0060.01016.42
7.4.150.0090.00917.40
7.4.140.0140.00717.86
7.4.130.0120.01216.36
7.4.120.0100.00716.55
7.4.110.0140.00916.57
7.4.100.0110.01116.50
7.4.90.0060.01116.43
7.4.80.0150.00419.39
7.4.70.0070.01016.38
7.4.60.0060.01016.39
7.4.50.0050.00516.36
7.4.40.0110.00716.36
7.4.30.0130.00316.50
7.4.00.0070.00714.88
7.3.330.0040.00413.18
7.3.320.0050.00013.22
7.3.310.0060.00016.07
7.3.300.0030.00516.24
7.3.290.0040.00416.18
7.3.280.0090.00716.21
7.3.270.0090.00917.40
7.3.260.0100.00716.25
7.3.250.0110.00816.39
7.3.240.0050.01116.36
7.3.230.0100.00716.16
7.3.210.0100.00716.47
7.3.200.0170.00316.56
7.3.190.0090.00916.20
7.3.180.0140.00316.26
7.3.170.0030.01316.26
7.3.160.0090.00616.36
7.3.120.0090.00914.95
7.3.110.0070.01114.80
7.3.100.0040.01114.98
7.3.90.0080.00814.91
7.3.80.0000.01514.68
7.3.70.0070.00714.73
7.3.60.0000.01314.84
7.3.50.0030.01014.87
7.3.40.0000.01714.90
7.3.30.0030.01414.63
7.3.20.0100.00316.41
7.3.10.0110.00416.42
7.3.00.0080.00416.34
7.2.330.0110.00616.61
7.2.320.0070.01416.61
7.2.310.0140.00316.63
7.2.300.0090.00616.34
7.2.290.0090.01416.56
7.2.250.0140.00714.84
7.2.240.0100.00715.01
7.2.230.0130.00314.61
7.2.220.0040.01114.86
7.2.210.0060.00314.91
7.2.200.0070.00714.87
7.2.190.0070.00614.82
7.2.180.0070.00714.77
7.2.170.0030.01314.91
7.2.60.0030.01016.66
7.2.00.0030.00919.45
7.1.330.0040.01115.50
7.1.320.0040.00715.41
7.1.310.0030.01015.80
7.1.300.0040.00815.45
7.1.290.0000.01515.66
7.1.280.0030.01015.49
7.1.270.0030.00915.42
7.1.260.0030.01015.57
7.1.200.0050.00315.70
7.1.100.0040.00817.88
7.1.70.0030.01016.96
7.1.60.0220.00635.05
7.1.50.0140.01734.36
7.1.40.0100.02134.19
7.1.30.0230.00834.30
7.1.20.0150.01234.23
7.1.10.0110.00316.44
7.1.00.0000.01416.60
7.0.200.0090.00516.36
7.0.190.0120.00016.55
7.0.180.0060.00916.02
7.0.170.0000.01416.18
7.0.160.0100.00316.27
7.0.150.0040.01116.16
7.0.140.0060.00616.23
7.0.130.0030.01016.39
7.0.120.0100.00316.56
7.0.110.0070.00716.32
7.0.100.0030.01016.09
7.0.90.0100.00316.10
7.0.80.0070.00716.29
7.0.70.0050.00816.11
7.0.60.0080.00615.96
7.0.50.0030.01116.33
7.0.40.0000.01416.29
7.0.30.0080.00416.31
7.0.20.0090.00916.25
7.0.10.0040.00916.41
7.0.00.0060.00816.55

preferences:
33.09 ms | 403 KiB | 5 Q