3v4l.org

run code in 300+ PHP versions simultaneously
<?php const A = 'b::c'; class B { static function C() {echo __METHOD__;} } constant('A')(); // displays B::C, // as class and method are case insensitive 'b::c'(); // works as literal A(); // Error, no such function as 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)
8.5.00.0140.00820.03
8.4.150.0030.00014.05
8.4.140.0140.00617.81
8.4.130.0050.00418.65
8.4.120.0100.00924.10
8.4.110.0130.00820.52
8.4.100.0120.00718.77
8.4.90.0030.00520.66
8.4.80.0070.00317.96
8.4.70.0100.00917.99
8.4.60.0110.00519.09
8.4.50.0080.00118.45
8.4.40.0100.00017.91
8.4.30.0060.01322.14
8.4.20.0100.01022.55
8.4.10.0190.00023.61
8.3.280.0110.00918.47
8.3.270.0130.00716.94
8.3.260.0120.00816.71
8.3.250.0110.00818.87
8.3.240.0140.00517.23
8.3.230.0120.00816.73
8.3.220.0070.00218.82
8.3.210.0110.00918.52
8.3.200.0030.00516.72
8.3.190.0140.00617.36
8.3.180.0070.01116.65
8.3.170.0090.00917.18
8.3.160.0110.01120.09
8.3.150.0070.01118.92
8.3.140.0040.01417.20
8.3.130.0070.00718.53
8.3.120.0040.00418.90
8.3.110.0040.00420.94
8.3.100.0090.00018.74
8.3.90.0120.00618.51
8.3.80.0030.00618.43
8.3.70.0100.00616.63
8.3.60.0160.00918.55
8.3.50.0140.00316.75
8.3.40.0100.01022.08
8.3.30.0140.00020.34
8.3.20.0080.00024.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.290.0110.00820.26
8.2.280.0080.01018.54
8.2.270.0130.00617.20
8.2.260.0120.00617.30
8.2.250.0080.00018.40
8.2.240.0030.00617.08
8.2.230.0070.00422.58
8.2.220.0000.00824.06
8.2.210.0090.00626.77
8.2.200.0090.00318.12
8.2.190.0090.00916.58
8.2.180.0110.01118.30
8.2.170.0040.01518.68
8.2.160.0110.00822.96
8.2.150.0040.00425.66
8.2.140.0050.00224.66
8.2.130.0000.00826.16
8.2.120.0040.00422.20
8.2.110.0040.00422.30
8.2.100.0070.00617.84
8.2.90.0210.00318.77
8.2.80.0140.00518.77
8.2.70.0090.00918.77
8.2.60.0110.00818.77
8.2.50.0170.00318.77
8.2.40.0180.00018.77
8.2.30.0080.00818.77
8.2.20.0130.00318.77
8.2.10.0130.00418.77
8.2.00.0140.00318.77
8.1.330.0130.00621.97
8.1.320.0060.00216.34
8.1.310.0160.00618.16
8.1.300.0040.01517.69
8.1.290.0070.00418.88
8.1.280.0100.00725.92
8.1.270.0000.00823.79
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.82
8.1.230.0040.00721.04
8.1.220.0110.00318.77
8.1.210.0000.00818.77
8.1.200.0090.00818.77
8.1.190.0180.00018.77
8.1.180.0170.00018.77
8.1.170.0120.00418.77
8.1.160.0150.00418.77
8.1.150.0170.00418.77
8.1.140.0120.00418.77
8.1.130.0130.00518.77
8.1.120.0120.00418.77
8.1.110.0080.00818.77
8.1.100.0110.00618.77
8.1.90.0140.00318.77
8.1.80.0120.00418.77
8.1.70.0100.00618.77
8.1.60.0090.00918.77
8.1.50.0110.00718.77
8.1.40.0150.00318.77
8.1.30.0130.00618.77
8.1.20.0150.00318.77
8.1.10.0110.00718.77
8.1.00.0200.00018.77
8.0.300.0080.01018.77
8.0.290.0140.00318.77
8.0.280.0130.00418.77
8.0.270.0110.00518.77
8.0.260.0110.00818.77
8.0.250.0110.00618.77
8.0.240.0170.00018.77
8.0.230.0070.01018.77
8.0.220.0000.01618.77
8.0.210.0140.00218.77
8.0.200.0070.01118.77
8.0.190.0150.00418.77
8.0.180.0170.00018.77
8.0.170.0110.00618.77
8.0.160.0170.00018.77
8.0.150.0110.00818.77
8.0.140.0100.00718.77
8.0.130.0000.01718.77
8.0.120.0120.00518.77
8.0.110.0170.00018.77
8.0.100.0120.00318.77
8.0.90.0140.00318.77
8.0.80.0110.00618.77
8.0.70.0160.00018.77
8.0.60.0040.01318.77
8.0.50.0150.00218.77
8.0.30.0120.00618.77
8.0.20.0210.00018.77
8.0.10.0130.00618.77

preferences:
87.63 ms | 403 KiB | 5 Q