3v4l.org

run code in 300+ PHP versions simultaneously
<?php spl_autoload_register(function($class) { if ($class === 'A') { class A { public function foo($x): B { return new B; } } } else if ($class === 'B') { class B extends A { public function foo($x): C { return new C; } } var_dump(new B); } else if ($class === 'C') { class C extends B implements N { } } }); 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)
8.5.30.0120.00918.37
8.5.20.0110.00719.63
8.5.10.0090.00818.46
8.5.00.0100.01120.07
8.4.180.0130.00919.80
8.4.170.0110.01221.87
8.4.160.0120.01021.90
8.4.150.0030.00014.05
8.4.140.0140.00617.68
8.4.130.0120.00918.67
8.4.120.0120.01017.92
8.4.110.0150.00518.17
8.4.100.0130.00817.63
8.4.90.0090.01120.76
8.4.80.0100.01018.77
8.4.70.0080.01119.03
8.4.60.0130.00818.90
8.4.50.0080.01318.91
8.4.40.0090.00919.29
8.4.30.0110.00718.46
8.4.20.0040.01818.76
8.4.10.0050.00319.57
8.3.300.0150.00618.55
8.3.290.0090.01221.00
8.3.280.0110.01018.52
8.3.270.0080.01116.70
8.3.260.0110.00816.79
8.3.250.0090.01116.72
8.3.240.0080.01018.46
8.3.230.0110.00716.78
8.3.220.0100.00818.84
8.3.210.0110.00718.52
8.3.200.0060.00316.52
8.3.190.0110.00518.91
8.3.180.0080.00818.77
8.3.170.0100.00719.11
8.3.160.0040.00417.17
8.3.150.0090.00916.77
8.3.140.0000.01518.92
8.3.130.0040.00418.47
8.3.120.0090.00020.55
8.3.110.0040.01118.68
8.3.100.0030.00624.06
8.3.90.0040.00826.77
8.3.80.0050.00517.97
8.3.70.0040.01218.43
8.3.60.0120.00916.63
8.3.50.0100.01321.97
8.3.40.0080.00818.84
8.3.30.0070.01018.75
8.3.20.0040.00421.77
8.3.10.0040.00422.10
8.3.00.0030.00622.34
8.2.300.0120.00822.18
8.2.290.0100.01016.57
8.2.280.0140.00518.63
8.2.270.0100.01017.23
8.2.260.0060.01218.36
8.2.250.0060.01218.35
8.2.240.0040.01117.30
8.2.230.0030.00620.94
8.2.220.0030.00637.54
8.2.210.0180.00026.77
8.2.200.0080.00418.53
8.2.190.0120.00316.61
8.2.180.0110.01118.41
8.2.170.0070.00722.96
8.2.160.0070.00722.26
8.2.150.0030.00624.18
8.2.140.0000.00924.66
8.2.130.0050.00326.16
8.2.120.0040.00426.16
8.2.110.0000.00922.04
8.2.100.0030.00717.91
8.2.90.0030.00517.50
8.2.80.0160.00018.59
8.2.70.0000.00817.50
8.2.60.0000.00817.50
8.2.50.0030.00517.59
8.2.40.0080.00019.47
8.2.30.0030.00519.32
8.2.20.0050.00318.13
8.2.10.0040.00419.29
8.2.00.0040.00419.13
8.1.340.0090.01023.61
8.1.330.0080.01116.39
8.1.320.0090.00918.00
8.1.310.0080.00018.28
8.1.300.0030.00617.92
8.1.290.0060.00330.84
8.1.280.0100.01025.92
8.1.270.0090.00020.74
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00623.97
8.1.230.0000.01119.16
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0050.00317.35
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0070.00017.62
8.1.160.0040.00418.76
8.1.150.0000.00718.83
8.1.140.0000.00720.88
8.1.130.0000.00720.20
8.1.120.0000.00817.43
8.1.110.0040.00417.29
8.1.100.0000.00817.29
8.1.90.0050.00217.29
8.1.80.0030.00617.47
8.1.70.0000.01017.41
8.1.60.0080.00017.54
8.1.50.0050.00317.41
8.1.40.0000.00817.38
8.1.30.0070.00017.60
8.1.20.0100.00017.54
8.1.10.0020.00517.53
8.1.00.0020.00517.47
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0030.00417.14
8.0.260.0000.00621.82
8.0.250.0030.00317.05
8.0.240.0080.00017.02
8.0.230.0000.00716.89
8.0.220.0030.00316.95
8.0.210.0040.00416.87
8.0.200.0070.00017.00
8.0.190.0070.00016.96
8.0.180.0030.00517.00
8.0.170.0030.00616.99
8.0.160.0090.00016.86
8.0.150.0040.00416.79
8.0.140.0080.00016.80
8.0.130.0030.00313.38
8.0.120.0050.00316.94
8.0.110.0040.00416.93
8.0.100.0070.00017.01
8.0.90.0000.00816.82
8.0.80.0160.00016.95
8.0.70.0000.00916.91
8.0.60.0060.00317.03
8.0.50.0000.00816.95
8.0.30.0120.00517.06
8.0.20.0110.00817.09
8.0.10.0030.00617.09
8.0.00.0110.01016.79
7.4.330.0030.00315.55
7.4.320.0060.00016.35
7.4.300.0040.00416.52
7.4.290.0030.00616.45
7.4.280.0080.00016.38
7.4.270.0030.00316.45
7.4.260.0000.00513.21
7.4.250.0000.00816.36
7.4.240.0020.00516.46
7.4.230.0030.00316.63
7.4.220.0040.00416.45
7.4.210.0100.00716.51
7.4.200.0050.00316.55
7.4.130.0180.00616.52
7.4.120.0120.01216.48
7.4.110.0100.01316.43
7.4.100.0030.01316.63
7.4.90.0060.01116.52
7.4.80.0050.01319.39
7.4.70.0060.01316.60
7.4.60.0040.01216.54
7.4.50.0070.01016.32
7.4.40.0170.00016.48
7.4.00.0110.00514.96
7.3.330.0040.00416.39
7.3.320.0050.00013.24
7.3.310.0040.00416.28
7.3.300.0050.00216.31
7.3.290.0070.00016.24
7.3.280.0080.01116.30
7.3.260.0080.01016.49
7.3.240.0100.00716.55
7.3.230.0060.01016.62
7.3.210.0090.00916.43
7.3.200.0130.00616.66
7.3.190.0160.00616.52
7.3.180.0070.01516.38
7.3.170.0070.01016.36
7.3.160.0060.00916.31
7.3.120.0090.00914.71
7.3.110.0040.01414.77
7.3.100.0030.01215.02
7.3.90.0160.00014.66
7.3.80.0040.01014.87
7.3.70.0070.00514.83
7.3.60.0070.00514.86
7.3.50.0080.00814.64
7.3.40.0090.00414.81
7.3.30.0060.00814.88
7.3.20.0100.00415.84
7.3.10.0060.00615.73
7.3.00.0100.00515.73
7.2.330.0040.01416.75
7.2.320.0100.01316.77
7.2.310.0070.01016.70
7.2.300.0120.00316.75
7.2.290.0000.01716.73
7.2.250.0160.00315.16
7.2.240.0140.00715.17
7.2.230.0070.01014.92
7.2.220.0000.01115.14
7.2.210.0050.00914.71
7.2.200.0080.00514.95
7.2.190.0070.00915.01
7.2.180.0090.00814.91
7.2.170.0050.00815.00
7.2.160.0000.01314.81
7.2.150.0140.00315.18
7.2.140.0150.00314.88
7.2.130.0090.00915.12
7.2.120.0100.00715.04
7.2.110.0090.00915.17
7.2.100.0120.00615.09
7.2.90.0150.00415.08
7.2.80.0130.00314.87
7.2.70.0090.00914.82
7.2.60.0070.01115.07
7.2.50.0100.00715.15
7.2.40.0090.00915.16
7.2.30.0110.00614.92
7.2.20.0100.01014.89
7.2.10.0180.00715.18
7.2.00.0120.00614.97
7.1.330.0030.01215.65
7.1.320.0070.00315.71
7.1.310.0100.00514.86
7.1.300.0110.01014.66
7.1.290.0080.00514.83
7.1.280.0100.00514.87
7.1.270.0030.01014.71
7.1.260.0100.00514.68
7.1.250.0030.01313.88

preferences:
68.31 ms | 1540 KiB | 5 Q