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($x): C { return new C; } } } else if ($class === 'C') { class C extends B { } } }); (new C)->foo('blah');

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)
8.5.30.0050.01218.94
8.5.20.0120.00719.47
8.5.10.0110.00818.41
8.5.00.0140.00920.04
8.4.180.0130.01020.58
8.4.170.0130.00820.45
8.4.160.0120.01123.73
8.4.150.0070.00516.85
8.4.140.0110.00917.56
8.4.130.0110.00918.84
8.4.120.0100.00922.36
8.4.110.0070.01218.98
8.4.100.0060.00317.66
8.4.90.0120.00820.55
8.4.80.0050.00319.14
8.4.70.0120.00719.18
8.4.60.0090.01118.62
8.4.50.0060.00418.81
8.4.40.0040.01519.45
8.4.30.0070.01318.73
8.4.20.0160.00318.91
8.4.10.0080.00417.48
8.3.300.0050.00420.79
8.3.290.0100.01120.65
8.3.280.0090.01018.32
8.3.270.0100.00916.64
8.3.260.0060.00316.50
8.3.250.0110.00618.87
8.3.240.0100.01016.64
8.3.230.0100.00916.51
8.3.220.0030.00418.88
8.3.210.0120.00716.66
8.3.200.0050.00416.81
8.3.190.0050.00316.91
8.3.180.0040.00419.11
8.3.170.0080.00018.65
8.3.160.0110.00720.88
8.3.150.0070.01319.07
8.3.140.0050.00318.75
8.3.130.0030.00618.41
8.3.120.0060.00318.47
8.3.110.0060.00916.46
8.3.100.0110.00418.25
8.3.90.0090.00026.77
8.3.80.0030.00718.43
8.3.70.0060.01218.18
8.3.60.0120.00318.43
8.3.50.0110.00721.98
8.3.40.0120.00318.46
8.3.30.0070.00718.84
8.3.20.0040.00422.10
8.3.10.0040.00421.94
8.3.00.0070.00422.34
8.2.300.0130.00722.21
8.2.290.0100.00920.35
8.2.280.0120.00718.13
8.2.270.0130.00618.30
8.2.260.0110.00416.54
8.2.250.0000.00916.82
8.2.240.0080.00019.09
8.2.230.0150.00020.94
8.2.220.0030.00724.06
8.2.210.0120.00326.77
8.2.200.0060.00316.63
8.2.190.0110.00716.58
8.2.180.0040.01118.30
8.2.170.0110.00422.96
8.2.160.0170.00322.18
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00420.84
8.2.110.0040.00721.12
8.2.100.0030.00917.79
8.2.90.0040.00419.82
8.2.80.0000.00819.20
8.2.70.0030.00617.68
8.2.60.0000.00918.03
8.2.50.0000.00818.10
8.2.40.0000.00719.30
8.2.30.0030.00719.16
8.2.20.0030.00618.08
8.2.10.0000.00819.16
8.2.00.0040.00419.23
8.1.340.0120.00721.77
8.1.330.0100.00920.25
8.1.320.0060.00515.79
8.1.310.0030.00518.70
8.1.300.0040.00417.65
8.1.290.0000.00818.88
8.1.280.0040.01125.92
8.1.270.0060.00320.72
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0050.00522.45
8.1.230.0040.00720.89
8.1.220.0080.00017.79
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0030.00617.10
8.1.180.0050.00518.10
8.1.170.0000.00918.59
8.1.160.0060.00318.87
8.1.150.0040.00418.82
8.1.140.0040.00420.77
8.1.130.0000.00720.14
8.1.120.0030.00317.30
8.1.110.0000.00717.28
8.1.100.0080.00017.35
8.1.90.0000.01117.41
8.1.80.0030.00617.32
8.1.70.0000.00717.28
8.1.60.0000.00817.52
8.1.50.0060.00317.38
8.1.40.0030.00617.36
8.1.30.0050.00317.62
8.1.20.0030.00617.45
8.1.10.0030.00517.45
8.1.00.0060.00317.30
8.0.300.0070.00022.09
8.0.290.0040.00416.62
8.0.280.0030.00318.44
8.0.270.0050.00317.22
8.0.260.0000.00621.89
8.0.250.0050.00216.87
8.0.240.0000.00616.94
8.0.230.0040.00417.00
8.0.220.0050.00316.91
8.0.210.0000.00716.77
8.0.200.0000.00716.95
8.0.190.0000.00716.78
8.0.180.0000.00716.90
8.0.170.0060.00316.90
8.0.160.0000.00816.84
8.0.150.0000.00816.75
8.0.140.0040.00416.80
8.0.130.0030.00313.29
8.0.120.0000.00716.84
8.0.110.0000.00816.68
8.0.100.0020.00516.87
8.0.90.0040.00416.84
8.0.80.0140.00016.89
8.0.70.0070.00016.73
8.0.60.0080.00016.95
8.0.50.0050.00316.91
8.0.30.0130.00617.21
8.0.20.0120.00717.01
8.0.10.0000.00816.83
8.0.00.0100.01016.68
7.4.330.0020.00215.55
7.4.320.0000.00616.43
7.4.300.0030.00316.35
7.4.290.0040.00316.49
7.4.280.0000.00816.59
7.4.270.0030.00316.42
7.4.260.0030.00313.12
7.4.250.0000.00716.45
7.4.240.0060.00116.50
7.4.230.0040.00416.38
7.4.220.0020.00516.57
7.4.210.0090.01016.49
7.4.200.0000.00816.53
7.4.130.0150.00316.46
7.4.120.0090.00916.50
7.4.110.0160.00716.42
7.4.100.0040.01216.31
7.4.90.0040.01416.31
7.4.80.0060.01119.39
7.4.70.0100.01416.35
7.4.60.0100.01016.53
7.4.50.0080.00516.48
7.4.40.0060.00916.43
7.4.00.0110.00714.82
7.3.330.0050.00516.22
7.3.320.0050.00013.22
7.3.310.0030.00316.33
7.3.300.0000.00616.21
7.3.290.0040.00416.24
7.3.260.0100.00916.40
7.3.240.0090.00716.49
7.3.230.0130.00716.36
7.3.210.0060.01316.39
7.3.200.0150.00316.28
7.3.190.0120.00916.34
7.3.180.0000.01516.43
7.3.170.0030.01716.66
7.3.160.0120.00816.44
7.3.80.0070.00814.84
7.3.70.0090.00314.82
7.3.60.0050.00814.83
7.3.50.0050.00814.87
7.3.40.0080.00514.68
7.3.30.0040.00814.77
7.3.20.0120.00814.86
7.3.10.0170.00714.83
7.3.00.0120.00714.80
7.2.330.0080.01316.79
7.2.320.0070.01216.72
7.2.310.0150.00616.30
7.2.300.0030.01316.41
7.2.290.0100.00716.44
7.2.210.0070.00915.01
7.2.200.0080.00514.86
7.2.190.0070.00614.93
7.2.180.0060.00814.98
7.2.170.0060.00815.12
7.2.160.0060.00715.10
7.2.150.0220.00514.96
7.2.140.0510.00214.96
7.2.130.0150.00715.15
7.2.120.0110.01114.89
7.2.110.0130.00715.12
7.2.100.0100.01214.92
7.2.90.0140.00715.09
7.2.80.0140.00814.96
7.2.70.0150.00715.13
7.2.60.0110.01115.03
7.2.50.0210.00515.04
7.2.40.0130.00814.94
7.2.30.0200.00715.06
7.2.20.0190.00515.16
7.2.10.0160.00415.01
7.2.00.0110.01115.20
7.1.310.0160.00513.92
7.1.300.0440.00213.88
7.1.290.0170.00713.80
7.1.280.0290.00313.90
7.1.270.0160.00313.75
7.1.260.0370.00313.75
7.1.250.0130.00613.75

preferences:
62.36 ms | 1441 KiB | 5 Q