3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x extends IteratorIterator { public function __call($method, $args) { var_dump('__call():', $method); } } $inner = new ArrayIterator([1, 2]); $outer = new x($inner); var_dump(method_exists(get_class($outer), 'count')); var_dump(method_exists($outer, 'count')); var_dump($outer->count()); var_dump($outer->count2());

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)
8.3.60.0110.00416.62
8.3.50.0070.01021.92
8.3.40.0110.00418.45
8.3.30.0110.00318.96
8.3.20.0030.00520.20
8.3.10.0000.00823.70
8.3.00.0080.00020.77
8.2.180.0090.00618.17
8.2.170.0140.00022.96
8.2.160.0000.01420.39
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.72
8.2.110.0030.00622.24
8.2.100.0070.00419.32
8.2.90.0040.00419.14
8.2.80.0060.00317.97
8.2.70.0030.00517.47
8.2.60.0030.00517.68
8.2.50.0050.00318.07
8.2.40.0040.00421.13
8.2.30.0000.00718.20
8.2.20.0040.00417.71
8.2.10.0040.00418.08
8.2.00.0070.00017.72
8.1.280.0120.00325.92
8.1.270.0040.00423.79
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0030.00623.97
8.1.230.0050.00519.18
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0000.00917.22
8.1.180.0050.00318.10
8.1.170.0080.00018.66
8.1.160.0040.00421.92
8.1.150.0040.00418.57
8.1.140.0060.00317.39
8.1.130.0000.00817.32
8.1.120.0030.00317.44
8.1.110.0000.00717.45
8.1.100.0000.00717.41
8.1.90.0000.00717.43
8.1.80.0070.00017.30
8.1.70.0040.00417.26
8.1.60.0060.00317.46
8.1.50.0030.00517.56
8.1.40.0050.00317.41
8.1.30.0000.00817.59
8.1.20.0080.00017.57
8.1.10.0000.00817.48
8.1.00.0000.00717.53
8.0.300.0040.00418.77
8.0.290.0080.00017.05
8.0.280.0030.00318.43
8.0.270.0070.00017.12
8.0.260.0030.00316.65
8.0.250.0070.00016.89
8.0.240.0000.00816.79
8.0.230.0030.00316.94
8.0.220.0030.00316.75
8.0.210.0030.00516.73
8.0.200.0030.00316.82
8.0.190.0000.00816.95
8.0.180.0030.00316.80
8.0.170.0050.00316.88
8.0.160.0030.00516.85
8.0.150.0000.00816.69
8.0.140.0040.00416.82
8.0.130.0000.00813.25
8.0.120.0000.00816.85
8.0.110.0000.00816.87
8.0.100.0030.00516.67
8.0.90.0090.00016.85
8.0.80.0110.01116.88
8.0.70.0070.00016.79
8.0.60.0030.00516.64
8.0.50.0050.00216.68
8.0.30.0150.00616.89
8.0.20.0110.00917.40
8.0.10.0040.00417.03
8.0.00.0090.00816.73
7.4.330.0030.00315.02
7.4.320.0060.00016.54
7.4.300.0000.00616.52
7.4.290.0070.00016.52
7.4.280.0070.00016.52
7.4.270.0040.00416.54
7.4.260.0030.00816.51
7.4.250.0090.00016.48
7.4.240.0030.00316.49
7.4.230.0000.00716.35
7.4.220.0130.00616.72
7.4.210.0050.00916.65
7.4.200.0030.00516.61
7.4.190.0000.00716.69
7.4.160.0080.00816.25
7.4.150.0100.01017.40
7.4.140.0140.00617.86
7.4.130.0090.00816.48
7.4.120.0130.00416.39
7.4.110.0060.01116.54
7.4.100.0070.01016.49
7.4.90.0130.00316.39
7.4.80.0170.00019.39
7.4.70.0040.01216.41
7.4.60.0160.00016.47
7.4.50.0020.00216.57
7.4.40.0120.00716.50
7.4.30.0080.01216.39
7.4.00.0030.01214.83
7.3.330.0000.00613.21
7.3.320.0050.00013.30
7.3.310.0030.00316.37
7.3.300.0030.00316.32
7.3.290.0200.00016.27
7.3.280.0080.01016.28
7.3.270.0100.00717.40
7.3.260.0150.01016.45
7.3.250.0080.01116.24
7.3.240.0040.01216.38
7.3.230.0030.01316.39
7.3.210.0200.02416.57
7.3.200.0130.00619.39
7.3.190.0190.00316.13
7.3.180.0130.00316.61
7.3.170.0090.00616.57
7.3.160.0070.01116.32
7.3.120.0000.01414.72
7.2.330.0090.00916.47
7.2.320.0180.00316.61
7.2.310.0110.00616.63
7.2.300.0090.00916.68
7.2.290.0120.00716.44
7.2.60.0060.00616.82
7.2.00.0060.00919.25
7.1.200.0060.00615.84
7.1.100.0100.00618.19
7.1.70.0080.00817.20
7.1.60.0060.01819.46
7.1.50.0120.00916.63
7.1.00.0100.06722.32
7.0.200.0030.00516.68
7.0.140.0030.07022.12
7.0.60.0130.05019.94
7.0.50.0100.07017.88
7.0.40.0130.08020.21
7.0.30.0330.07720.23
7.0.20.0300.07320.09
7.0.10.0070.04020.26
7.0.00.0100.04020.22
5.6.280.0030.07020.95
5.6.210.0100.08320.48
5.6.200.0100.07718.25
5.6.190.0070.07020.39
5.6.180.0330.04320.33
5.6.170.0170.08320.54
5.6.160.0200.07020.59
5.6.150.0130.05718.14
5.6.140.0070.08318.21
5.6.130.0070.04318.18
5.6.120.0070.06721.02
5.6.110.0070.05320.99
5.6.100.0100.08321.07
5.6.90.0070.08721.00
5.6.80.0170.05720.47
5.5.350.4270.04320.33
5.5.340.0030.06717.98
5.5.330.0100.05720.13
5.5.320.0300.04320.19
5.5.310.0230.07720.34
5.5.300.0200.03317.96
5.5.290.0130.07318.07
5.5.280.0130.07720.96
5.5.270.0030.04320.79
5.5.260.0130.07020.89
5.5.250.0130.04720.66
5.5.240.0030.07720.26
5.4.450.0430.03751.95
5.4.440.0370.03744.52
5.4.430.0200.04739.08
5.4.420.0330.04037.90
5.4.410.0170.04735.22
5.4.400.0370.04332.53
5.4.390.0300.04031.61
5.4.380.0470.04718.80
5.4.370.0330.07018.45
5.4.360.0230.06018.79
5.4.350.0370.05718.51
5.4.340.0330.06018.78
5.4.320.0040.04012.50
5.4.310.0040.04012.50
5.4.300.0100.05412.50
5.4.290.0170.04512.50
5.4.280.0070.05212.40
5.4.270.0050.05312.39
5.4.260.0110.05212.40
5.4.250.0080.05412.39
5.4.240.0090.05212.39
5.4.230.0120.05612.39
5.4.220.0100.05512.39
5.4.210.0140.04212.39
5.4.200.0080.05212.39
5.4.190.0080.04912.38
5.4.180.0090.05312.39
5.4.170.0060.05112.39
5.4.160.0120.04312.39
5.4.150.0070.05212.38
5.4.140.0070.05112.07
5.4.130.0060.05812.06
5.4.120.0050.05512.02
5.4.110.0070.04012.02
5.4.100.0110.04712.01
5.4.90.0060.05412.02
5.4.80.0060.05412.01
5.4.70.0090.04912.01
5.4.60.0110.04412.01
5.4.50.0070.04512.01
5.4.40.0090.04812.00
5.4.30.0120.03711.99
5.4.20.0080.04312.00
5.4.10.0080.03811.99
5.4.00.0070.03911.48
5.3.290.0040.04112.80
5.3.280.0090.04312.70
5.3.270.0060.04112.72
5.3.260.0090.04012.72
5.3.250.0120.03912.72
5.3.240.0110.04512.72
5.3.230.0130.04212.71
5.3.220.0110.04712.68
5.3.210.0150.04612.68
5.3.200.0050.05412.68
5.3.190.0110.04212.68
5.3.180.0080.03612.68
5.3.170.0070.04612.67
5.3.160.0100.04812.67
5.3.150.0110.05012.67
5.3.140.0110.05012.66
5.3.130.0070.05412.65
5.3.120.0130.05112.66
5.3.110.0120.05212.66
5.3.100.0090.04312.13
5.3.90.0080.03412.10
5.3.80.0070.04012.09
5.3.70.0070.03512.10
5.3.60.0080.03512.08
5.3.50.0090.03812.03
5.3.40.0070.03812.02
5.3.30.0050.04611.99
5.3.20.0080.04611.76
5.3.10.0060.04411.73
5.3.00.0060.04111.72
5.2.170.0110.0389.22
5.2.160.0040.0329.22
5.2.150.0050.0329.22
5.2.140.0040.0359.21
5.2.130.0070.0409.18
5.2.120.0100.0409.18
5.2.110.0090.0409.18
5.2.100.0070.0359.19
5.2.90.0060.0299.18
5.2.80.0080.0299.17
5.2.70.0060.0309.17
5.2.60.0050.0389.13
5.2.50.0050.0479.10
5.2.40.0050.0319.07
5.2.30.0120.0409.05
5.2.20.0060.0449.04
5.2.10.0080.0398.94
5.2.00.0070.0488.81
5.1.60.0040.0358.09
5.1.50.0040.0348.09
5.1.40.0030.0368.07
5.1.30.0070.0348.42
5.1.20.0040.0388.45
5.1.10.0060.0358.16
5.1.00.0090.0368.16
5.0.50.0060.0276.64
5.0.40.0090.0246.50
5.0.30.0050.0436.31
5.0.20.0050.0336.28
5.0.10.0040.0316.26
5.0.00.0050.0416.25
4.4.90.0070.0204.77
4.4.80.0030.0234.75
4.4.70.0060.0204.76
4.4.60.0040.0224.76
4.4.50.0030.0234.77
4.4.40.0060.0334.71
4.4.30.0030.0204.76
4.4.20.0030.0174.85
4.4.10.0060.0164.84
4.4.00.0060.0314.76
4.3.110.0050.0214.67
4.3.100.0050.0204.66
4.3.90.0070.0474.63
4.3.80.0040.0334.59
4.3.70.0040.0214.63
4.3.60.0020.0214.63
4.3.50.0070.0134.63
4.3.40.0020.0264.54
4.3.30.0020.0173.30
4.3.20.0040.0153.28
4.3.10.0060.0133.23
4.3.00.0070.01729.18

preferences:
41.93 ms | 401 KiB | 5 Q