3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { protected const c = null; abstract protected static function fs(); abstract protected function f(); } class B extends A { public function __construct(C $c) { var_dump(C::fs()); var_dump($c->f()); var_dump(C::C); } protected static function fs() {} protected function f() {} } class C extends A { protected const C = 'C::C'; protected static function fs() { return __METHOD__; } protected function f() { return __METHOD__; } } new B(new C);

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)
8.3.70.0130.00716.75
8.3.60.0120.00616.88
8.3.50.0070.00716.20
8.3.40.0190.00318.75
8.3.30.0100.00718.83
8.3.20.0040.01120.18
8.3.10.0070.00023.66
8.3.00.0040.00423.66
8.2.180.0120.00618.54
8.2.170.0160.00318.91
8.2.160.0030.01022.96
8.2.150.0070.00025.66
8.2.140.0080.00024.66
8.2.130.0020.00522.31
8.2.120.0060.00326.35
8.2.110.0070.00319.39
8.2.100.0000.01317.72
8.2.90.0030.00617.63
8.2.80.0000.00918.61
8.2.70.0030.00717.63
8.2.60.0050.00317.80
8.2.50.0090.00018.07
8.2.40.0040.00418.22
8.2.30.0000.00718.05
8.2.20.0080.00018.02
8.2.10.0040.00417.93
8.2.00.0070.00017.94
8.1.280.0070.01025.92
8.1.270.0040.00423.79
8.1.260.0070.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00619.13
8.1.230.0090.00317.83
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0030.00617.22
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0050.00218.83
8.1.150.0000.00720.05
8.1.140.0000.00719.38
8.1.130.0050.00318.70
8.1.120.0040.00417.37
8.1.110.0030.00517.40
8.1.100.0000.00817.39
8.1.90.0040.00417.31
8.1.80.0070.00017.45
8.1.70.0040.00417.38
8.1.60.0000.00917.46
8.1.50.0000.00817.52
8.1.40.0000.00717.41
8.1.30.0040.00417.57
8.1.20.0050.00217.55
8.1.10.0060.00317.46
8.1.00.0090.00017.46
8.0.300.0070.00318.77
8.0.290.0070.00016.75
8.0.280.0030.00518.44
8.0.270.0030.00317.19
8.0.260.0000.00716.89
8.0.250.0000.00717.04
8.0.240.0000.00816.92
8.0.230.0000.00716.98
8.0.220.0050.00216.85
8.0.210.0030.00316.99
8.0.200.0000.00617.01
8.0.190.0000.00816.93
8.0.180.0040.00416.96
8.0.170.0000.00717.05
8.0.160.0040.00416.86
8.0.150.0030.00316.88
8.0.140.0000.00816.84
8.0.130.0030.00313.40
8.0.120.0000.00916.86
8.0.110.0050.00216.92
8.0.100.0040.00416.80
8.0.90.0040.00416.91
8.0.80.0130.00617.00
8.0.70.0030.00316.90
8.0.60.0040.00416.83
8.0.50.0040.00416.98
8.0.30.0100.01017.02
8.0.20.0110.00917.40
8.0.10.0020.00516.98
8.0.00.0030.02116.88
7.4.330.0020.00515.55
7.4.320.0030.00316.61
7.4.300.0000.00616.46
7.4.290.0030.00316.45
7.4.280.0040.00416.56
7.4.270.0100.00016.42
7.4.260.0000.00716.42
7.4.250.0080.00016.49
7.4.240.0000.00816.58
7.4.230.0050.00216.61
7.4.220.0090.01316.38
7.4.210.0120.00316.45
7.4.200.0020.00516.54
7.4.160.0130.00616.41
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0140.01016.48
7.4.120.0120.00816.55
7.4.110.0130.00616.53
7.4.100.0110.00716.51
7.4.90.0090.01216.44
7.4.80.0080.01219.39
7.4.70.0000.01816.36
7.4.60.0100.00916.59
7.4.50.0030.01016.55
7.4.40.0080.00816.64
7.4.30.0040.01816.39
7.4.00.0060.00614.48
7.3.330.0000.00513.21
7.3.320.0070.00013.38
7.3.310.0000.00716.37
7.3.300.0060.00016.33
7.3.290.0060.00916.34
7.3.280.0070.01116.35
7.3.270.0080.00817.40
7.3.260.0120.00616.48
7.3.250.0090.00816.44
7.3.240.0100.00716.49
7.3.230.0100.01316.59
7.3.210.0060.01116.44
7.3.200.0150.00416.38
7.3.190.0030.01316.45
7.3.180.0030.01316.27
7.3.170.0130.00316.37
7.3.160.0140.00716.52
7.3.120.0000.01414.84
7.3.110.0070.01014.81
7.3.100.0090.00614.75
7.3.90.0040.00814.97
7.3.80.0000.01114.82
7.3.70.0090.00614.88
7.3.60.0040.01114.80
7.3.50.0000.01814.70
7.3.40.0070.00414.48
7.3.30.0070.01014.63
7.3.20.0090.00616.60
7.3.10.0050.00916.74
7.3.00.0030.00816.70
7.2.330.0120.00616.69
7.2.320.0040.01316.46
7.2.310.0190.00016.51
7.2.300.0060.01216.39
7.2.290.0090.00916.66
7.2.240.0060.00914.86
7.2.230.0070.01014.92
7.2.220.0030.01315.12
7.2.210.0100.00714.66
7.2.200.0000.01415.00
7.2.190.0100.00615.13
7.2.180.0040.01115.00
7.2.170.0030.01314.63
7.2.160.0030.01315.17
7.2.150.0030.01216.80
7.2.140.0100.00716.61
7.2.130.0030.01116.76
7.2.120.0070.00916.80
7.2.110.0060.00816.90
7.2.100.0080.00316.75
7.2.90.0100.00516.91
7.2.80.0070.00916.66
7.2.70.0060.00616.79
7.2.60.0020.01116.88
7.2.50.0050.00816.83
7.2.40.0100.00216.88
7.2.30.0070.01116.85
7.2.20.0080.00816.76
7.2.10.0100.00716.63
7.2.00.0070.01116.74
7.1.330.0030.01015.65
7.1.320.0090.00615.70
7.1.310.0030.01015.66
7.1.300.0080.00415.59
7.1.290.0100.00615.62
7.1.280.0060.00615.82
7.1.270.0060.00615.56
7.1.260.0030.01115.45
7.1.250.0040.01015.65
7.1.200.0070.00315.56
7.1.110.0070.00717.14
7.1.100.0050.00917.40
7.1.90.0070.00917.30
7.1.80.0070.00817.43
7.1.70.0070.00716.50
7.1.60.0220.00834.52
7.1.50.0200.01334.08
7.1.40.0210.01133.63
7.1.30.0230.00833.91
7.1.20.0220.01233.83
7.1.10.0040.01115.88
7.1.00.0080.00616.00
7.0.250.0070.00616.76
7.0.240.0070.00617.06
7.0.230.0070.01016.98
7.0.220.0070.00616.84
7.0.210.0040.00915.89
7.0.200.0040.01015.83
7.0.190.0380.01016.01
7.0.180.0040.01215.36
7.0.170.0060.01015.41
7.0.160.0040.01015.41
7.0.150.0050.00915.38
7.0.140.0040.01115.64
7.0.130.0030.01215.76
7.0.120.0050.01215.75
7.0.110.0040.01115.52
7.0.100.0050.01015.43
7.0.90.0040.01015.47
7.0.80.0090.00615.66
7.0.70.0040.01015.53
7.0.60.0060.00915.34
7.0.50.0050.01015.59
7.0.40.0060.01015.71
7.0.30.0050.01015.72
7.0.20.0080.00715.71
7.0.10.0080.00615.56
7.0.00.0070.00715.66

preferences:
71.29 ms | 401 KiB | 5 Q