3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyFilter extends FilterIterator implements Countable { public function accept() { return true; } public function count() { return $this->getInnerIterator()->count(); } } $it = new ArrayIterator(array(1, 2, 3)); $fi = new MyFilter($it); var_dump($it->count()); var_dump($fi->count()); var_dump(count($it)); var_dump(count($fi));

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)
8.3.70.0080.00818.30
8.3.60.0070.01416.75
8.3.50.0060.01321.05
8.3.40.0090.00618.61
8.3.30.0030.01018.94
8.3.20.0030.00520.39
8.3.10.0040.00423.65
8.3.00.0040.00417.63
8.2.190.0110.00318.66
8.2.180.0120.00318.56
8.2.170.0070.00719.09
8.2.160.0070.00722.96
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00421.04
8.2.110.0100.00020.97
8.2.100.0080.00417.63
8.2.90.0000.00819.25
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0050.00317.93
8.2.50.0060.00318.07
8.2.40.0000.00819.88
8.2.30.0040.00417.92
8.2.20.0050.00217.68
8.2.10.0080.00018.12
8.2.00.0030.00618.05
8.1.280.0120.00925.92
8.1.270.0000.00820.32
8.1.260.0080.00026.35
8.1.250.0070.01128.09
8.1.240.0060.00322.68
8.1.230.0080.00417.42
8.1.220.0050.00217.74
8.1.210.0000.00818.77
8.1.200.0000.00917.22
8.1.190.0070.00017.23
8.1.180.0030.00618.10
8.1.170.0040.00418.43
8.1.160.0000.00721.92
8.1.150.0030.00518.89
8.1.140.0040.00717.30
8.1.130.0030.00517.70
8.1.120.0040.00417.39
8.1.110.0060.00317.38
8.1.100.0040.00417.46
8.1.90.0000.00717.42
8.1.80.0040.00417.45
8.1.70.0070.00017.43
8.1.60.0030.00617.48
8.1.50.0030.00617.52
8.1.40.0000.00917.50
8.1.30.0030.00517.66
8.1.20.0040.00417.56
8.1.10.0000.00817.55
8.1.00.0000.00817.30
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0050.00218.44
8.0.270.0000.00717.24
8.0.260.0030.00317.27
8.0.250.0000.00716.97
8.0.240.0000.00716.96
8.0.230.0030.00316.97
8.0.220.0000.00716.77
8.0.210.0000.00716.87
8.0.200.0060.00016.91
8.0.190.0000.00716.79
8.0.180.0030.00616.92
8.0.170.0040.00416.88
8.0.160.0000.00816.93
8.0.150.0000.00816.84
8.0.140.0070.00016.81
8.0.130.0060.00313.34
8.0.120.0060.00316.82
8.0.110.0050.00316.80
8.0.100.0000.00716.83
8.0.90.0050.00216.75
8.0.80.0110.00416.86
8.0.70.0050.00316.75
8.0.60.0050.00316.91
8.0.50.0040.00416.78
8.0.30.0130.00517.10
8.0.20.0100.01017.40
8.0.10.0040.00417.07
8.0.00.0100.00816.69
7.4.330.0030.00315.15
7.4.320.0000.00716.59
7.4.300.0000.00716.57
7.4.290.0070.00016.40
7.4.280.0000.00716.53
7.4.270.0000.00616.56
7.4.260.0040.00416.58
7.4.250.0040.00416.57
7.4.240.0030.00516.54
7.4.230.0030.00316.70
7.4.220.0110.01116.52
7.4.210.0100.00816.54
7.4.200.0070.00016.70
7.4.160.0090.00616.70
7.4.150.0120.00917.40
7.4.140.0160.01217.86
7.4.130.0100.01216.63
7.4.120.0140.00316.62
7.4.110.0110.00716.42
7.4.100.0120.00616.65
7.4.90.0100.00716.45
7.4.80.0140.00819.39
7.4.70.0040.01816.54
7.4.60.0090.00616.48
7.4.50.0030.00616.48
7.4.40.0040.01216.37
7.4.30.0120.00916.27
7.4.10.0130.00714.91
7.4.00.0040.01315.04
7.3.330.0030.00313.30
7.3.320.0050.00013.32
7.3.310.0030.00316.16
7.3.300.0000.00716.14
7.3.290.0000.00716.25
7.3.280.0050.01216.26
7.3.270.0060.01217.40
7.3.260.0150.00316.37
7.3.250.0050.01216.28
7.3.240.0090.01216.32
7.3.230.0100.01316.39
7.3.210.0070.01016.32
7.3.200.0110.00619.39
7.3.190.0000.01616.50
7.3.180.0150.00616.49
7.3.170.0070.01316.31
7.3.160.0030.01416.30
7.3.130.0070.01114.86
7.3.120.0080.00514.59
7.3.110.0100.01014.86
7.3.100.0000.01314.79
7.3.90.0040.01114.50
7.3.80.0030.01014.94
7.3.70.0060.00914.92
7.3.60.0000.01114.79
7.3.50.0070.00714.84
7.3.40.0040.01114.89
7.3.30.0070.01014.63
7.3.20.0060.00816.80
7.3.10.0030.00916.46
7.3.00.0070.01316.69
7.2.330.0100.00716.52
7.2.320.0140.00416.50
7.2.310.0070.01416.65
7.2.300.0130.00716.72
7.2.290.0130.00316.82
7.2.260.0110.00715.20
7.2.250.0070.01115.25
7.2.240.0040.01215.24
7.2.230.0070.00714.72
7.2.220.0060.01014.74
7.2.210.0120.00315.07
7.2.200.0060.00915.06
7.2.190.0020.01414.92
7.2.180.0070.00714.80
7.2.170.0030.01015.21
7.2.160.0060.00915.05
7.2.150.0110.00416.86
7.2.140.0050.00516.94
7.2.130.0100.00716.80
7.2.120.0080.00416.96
7.2.110.0100.00317.04
7.2.100.0070.01016.80
7.2.90.0030.01616.95
7.2.80.0070.00717.16
7.2.70.0130.00617.05
7.2.60.0110.00516.88
7.2.50.0060.00617.04
7.2.40.0140.00316.67
7.2.30.0090.00617.07
7.2.20.0110.00716.86
7.2.10.0030.01317.11
7.2.00.0060.00317.10
7.1.330.0030.01315.92
7.1.320.0030.01415.55
7.1.310.0000.01015.81
7.1.300.0030.00715.68
7.1.290.0070.00715.57
7.1.280.0040.01215.81
7.1.270.0120.00315.82
7.1.260.0030.01415.77
7.1.250.0090.00615.88
7.1.240.0040.01115.93
7.1.230.0060.00815.60
7.1.220.0030.01315.77
7.1.210.0110.00415.46
7.1.200.0100.00015.61
7.1.190.0030.00715.65
7.1.180.0000.01015.76
7.1.170.0000.01415.96
7.1.160.0000.01515.63
7.1.150.0000.00915.65
7.1.140.0100.00715.63
7.1.130.0040.01115.80
7.1.120.0060.00615.77
7.1.110.0030.01415.86
7.1.100.0070.01115.76
7.1.90.0050.00515.68
7.1.80.0070.00415.68
7.1.70.0060.01116.44
7.1.60.0130.00717.60
7.1.50.0070.01416.40
7.1.40.0000.01015.79
7.1.30.0060.00615.69
7.1.20.0040.01115.85
7.1.10.0000.01315.73
7.1.00.0030.04118.93
7.0.330.0100.00315.48
7.0.320.0040.00915.55
7.0.310.0040.01115.46
7.0.300.0050.00515.39
7.0.290.0000.01015.39
7.0.280.0030.01315.45
7.0.270.0060.00815.48
7.0.260.0060.00915.31
7.0.250.0040.01115.20
7.0.240.0100.00615.42
7.0.230.0070.00715.35
7.0.220.0060.00315.41
7.0.210.0030.00515.40
7.0.200.0070.00316.11
7.0.190.0000.01115.49
7.0.180.0060.00315.38
7.0.170.0070.01015.21
7.0.160.0080.00415.57
7.0.150.0040.01115.35
7.0.140.0060.00915.38
7.0.130.0130.00315.55
7.0.120.0080.00015.48
7.0.110.0030.01015.36
7.0.100.0040.01015.49
7.0.90.0000.01515.47
7.0.80.0070.00415.43
7.0.70.0110.00415.48
7.0.60.0070.03917.74
7.0.50.0070.04616.78
7.0.40.0070.04816.76
7.0.30.0170.03816.69
7.0.20.0130.03416.73
7.0.10.0050.02816.89
7.0.00.0070.02216.73
5.6.400.0040.01514.54
5.6.390.0040.01114.18
5.6.380.0190.00014.36
5.6.370.0110.00314.51
5.6.360.0110.00414.55
5.6.350.0040.01114.36
5.6.340.0160.00314.29
5.6.330.0060.00914.51
5.6.320.0040.01514.59
5.6.310.0150.00014.55
5.6.300.0040.01114.45
5.6.290.0040.01214.23
5.6.280.0070.01014.35
5.6.270.0000.01214.31
5.6.260.0070.00714.18
5.6.250.0060.00914.30
5.6.240.0100.00314.37
5.6.230.0040.00914.51
5.6.220.0030.01014.33
5.6.210.0100.04517.49
5.6.200.0120.03516.32
5.6.190.0120.04017.46
5.6.180.0210.03517.45
5.6.170.0100.02617.33
5.6.160.0070.03917.42
5.6.150.0080.04216.22
5.6.140.0050.04516.24
5.6.130.0100.04316.18
5.6.120.0070.02717.63
5.6.110.0070.04517.57
5.6.100.0040.04617.69
5.6.90.0090.03317.55
5.6.80.0070.04517.38
5.6.70.0070.00714.30
5.6.60.0030.00914.31
5.6.50.0060.00313.89
5.6.40.0060.00614.09
5.6.30.0000.01114.45
5.6.20.0030.00614.46
5.6.10.0090.00314.27
5.6.00.0030.01214.36
5.5.380.0040.00714.48
5.5.370.0030.01214.25
5.5.360.0040.00714.57
5.5.350.0050.02717.34
5.5.340.0020.04916.04
5.5.330.0070.04017.19
5.5.320.0080.02917.29
5.5.310.0250.04117.11
5.5.300.0030.05016.11
5.5.290.0060.03116.19
5.5.280.0060.04917.55
5.5.270.0110.02417.52
5.5.260.0070.02917.59
5.5.250.0080.04017.38
5.5.240.0130.04017.33
5.5.230.0060.00914.33
5.5.220.0000.00814.37
5.5.210.0030.00714.30
5.5.200.0070.00314.18
5.5.190.0090.00614.29
5.5.180.0130.00013.92
5.5.170.0030.00914.02
5.5.160.0040.01214.02
5.5.150.0060.00914.25
5.5.140.0030.01014.13
5.5.130.0030.00714.25
5.5.120.0060.00614.04
5.5.110.0070.00414.22
5.5.100.0070.01014.30
5.5.90.0130.00314.16
5.5.80.0040.00414.27
5.5.70.0100.00013.95
5.5.60.0030.01213.90
5.5.50.0060.00613.73
5.5.40.0040.00814.04
5.5.30.0070.00714.33
5.5.20.0030.00914.30
5.5.10.0060.00814.23
5.5.00.0110.00314.23
5.4.450.0330.02715.27
5.4.440.0300.03215.36
5.4.430.0440.03315.14
5.4.420.0300.03215.12
5.4.410.0350.03015.23
5.4.400.0280.03315.03
5.4.390.0300.03214.97
5.4.380.0330.03014.92
5.4.370.0320.02715.20
5.4.360.0320.03014.93
5.4.350.0350.02415.13
5.4.340.0260.03314.87
5.4.330.0000.00610.84
5.4.320.0400.03315.01
5.4.310.0380.02515.08
5.4.300.0430.04314.92
5.4.290.0590.04015.00
5.4.280.0420.03014.93
5.4.270.0400.02514.83
5.4.260.0280.03414.99
5.4.250.0370.03015.00
5.4.240.0330.03114.83
5.4.230.0370.02814.94
5.4.220.0350.03015.03
5.4.210.0420.05214.95
5.4.200.0420.02813.94
5.4.190.0350.02715.00
5.4.180.0400.02814.95
5.4.170.0420.03515.05
5.4.160.0450.02514.93
5.4.150.0330.03414.81
5.4.140.0330.03013.58
5.4.130.0370.02513.92
5.4.120.0400.02213.60
5.4.110.0400.02313.57
5.4.100.0330.03413.60
5.4.90.0400.02813.61
5.4.80.0380.02713.57
5.4.70.0350.02813.81
5.4.60.0330.03013.83
5.4.50.0380.02213.68
5.4.40.0320.02713.68
5.4.30.0330.02513.56
5.4.20.0350.03013.72
5.4.10.0360.02913.65
5.4.00.0300.02713.40
5.3.290.0630.05014.55
5.3.280.0570.05314.57
5.3.270.0730.03714.60
5.3.260.0670.05314.71
5.3.250.0670.05314.51
5.3.240.0670.05314.73
5.3.230.0830.05014.72
5.3.220.0730.05314.70
5.3.210.0670.04714.58
5.3.200.0670.04314.53
5.3.190.0630.04714.68
5.3.180.0630.05314.63
5.3.170.0830.05714.68
5.3.160.0630.05714.68
5.3.150.0700.05014.70
5.3.140.0670.05014.68
5.3.130.0670.05314.57
5.3.120.0700.05014.43
5.3.110.0670.05314.56
5.3.100.0600.05014.15
5.3.90.0670.05013.97
5.3.80.0730.04713.88
5.3.70.0700.04713.96
5.3.60.0670.05013.93
5.3.50.0700.05013.85
5.3.40.0730.04713.86
5.3.30.0470.05714.02
5.3.20.0670.05313.59
5.3.10.0630.04013.62
5.3.00.0670.05013.57
5.2.170.0570.05011.11
5.2.160.0700.02711.27
5.2.150.0530.04711.27
5.2.140.0600.04011.27
5.2.130.0670.03011.24
5.2.120.0700.03011.15
5.2.110.0430.04311.14
5.2.100.0570.03711.00
5.2.90.0570.04011.22
5.2.80.0570.05011.15
5.2.70.0570.04011.00
5.2.60.0500.04311.02
5.2.50.0530.04310.96
5.2.40.0430.04011.03
5.2.30.0500.03710.88
5.2.20.0430.04010.87
5.2.10.0400.04310.93
5.2.00.0470.04010.84
5.1.60.0470.0309.85
5.1.50.0370.0409.97
5.1.40.0570.0239.91
5.1.30.0400.04010.45
5.1.20.0500.03710.42
5.1.10.0370.04010.02
5.1.00.0370.0409.96
5.0.50.0230.0308.55
5.0.40.0200.0308.38
5.0.30.0170.0508.27
5.0.20.0270.0438.30
5.0.10.0200.0308.07
5.0.00.0230.0408.05
4.4.90.0170.0235.84
4.4.80.0200.0235.73
4.4.70.0200.0235.87
4.4.60.0200.0235.87
4.4.50.0230.0205.91
4.4.40.0200.0375.85
4.4.30.0200.0235.77
4.4.20.0270.0175.82
4.4.10.0230.0205.96
4.4.00.0200.0375.89
4.3.110.0230.0205.82
4.3.100.0170.0235.66
4.3.90.0230.0205.78
4.3.80.0200.0375.80
4.3.70.0200.0235.76
4.3.60.0200.0235.72
4.3.50.0230.0205.80
4.3.40.0230.0375.71
4.3.30.0100.0234.57
4.3.20.0100.0234.51
4.3.10.0130.0204.51
4.3.00.0100.0207.04

preferences:
19.72 ms | 401 KiB | 5 Q