3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b', array('c'), array('d', array('e','f'))); $iterator = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($arr)); var_dump(iterator_to_array($iterator));

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)
8.3.60.0090.00618.18
8.3.50.0070.00721.87
8.3.40.0110.00418.58
8.3.30.0070.01018.50
8.3.20.0050.00318.47
8.3.10.0000.00820.93
8.3.00.0080.00019.56
8.2.180.0100.01016.50
8.2.170.0150.00022.96
8.2.160.0110.00320.38
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.91
8.2.110.0070.00422.25
8.2.100.0080.00417.66
8.2.90.0070.00019.08
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0050.00518.07
8.2.40.0040.00417.91
8.2.30.0000.00721.13
8.2.20.0040.00417.54
8.2.10.0000.00717.54
8.2.00.0080.00317.64
8.1.280.0110.00425.92
8.1.270.0030.00523.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0060.00322.48
8.1.230.0120.00020.89
8.1.220.0050.00318.77
8.1.210.0040.00418.90
8.1.200.0030.00617.23
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0000.00718.85
8.1.150.0070.00018.50
8.1.140.0000.00817.25
8.1.130.0000.00717.72
8.1.120.0040.00317.30
8.1.110.0040.00417.39
8.1.100.0000.00817.29
8.1.90.0030.00517.26
8.1.80.0000.00817.42
8.1.70.0000.00717.36
8.1.60.0030.00617.51
8.1.50.0050.00217.32
8.1.40.0030.00517.36
8.1.30.0000.00817.55
8.1.20.0080.00017.61
8.1.10.0000.00817.45
8.1.00.0040.00417.44
8.0.300.0040.00419.77
8.0.290.0030.00616.91
8.0.280.0000.00718.34
8.0.270.0000.00717.17
8.0.260.0000.00716.74
8.0.250.0070.00016.73
8.0.240.0000.00916.92
8.0.230.0030.00316.86
8.0.220.0000.00716.79
8.0.210.0000.00716.77
8.0.200.0030.00316.90
8.0.190.0040.00416.78
8.0.180.0030.00316.84
8.0.170.0060.00316.79
8.0.160.0070.00016.81
8.0.150.0000.00816.73
8.0.140.0040.00416.71
8.0.130.0030.00313.15
8.0.120.0020.00516.78
8.0.110.0070.00016.85
8.0.100.0000.00716.88
8.0.90.0000.00716.69
8.0.80.0080.00816.72
8.0.70.0000.00716.86
8.0.60.0050.00316.86
8.0.50.0000.00716.68
8.0.30.0060.01317.06
8.0.20.0130.00717.40
8.0.10.0000.00716.93
8.0.00.0090.00916.67
7.4.330.0000.00614.98
7.4.320.0000.00716.38
7.4.300.0070.00016.42
7.4.290.0000.00716.34
7.4.280.0040.00416.41
7.4.270.0000.00716.45
7.4.260.0070.00013.09
7.4.250.0000.00816.39
7.4.240.0040.00416.45
7.4.230.0070.00016.59
7.4.220.0130.01016.45
7.4.210.0090.00816.49
7.4.200.0040.00416.27
7.4.190.0030.00316.39
7.4.160.0070.01416.37
7.4.150.0080.00817.40
7.4.140.0110.00517.86
7.4.130.0090.00816.31
7.4.120.0100.01016.56
7.4.110.0070.01116.32
7.4.100.0060.01016.43
7.4.90.0140.00716.47
7.4.80.0070.01019.39
7.4.70.0090.00916.41
7.4.60.0060.01116.58
7.4.50.0000.01016.38
7.4.40.0060.00922.77
7.4.30.0060.01016.51
7.4.00.0030.00615.00
7.3.330.0050.00012.88
7.3.320.0030.00412.96
7.3.310.0030.00316.07
7.3.300.0070.00016.10
7.3.290.0040.01216.18
7.3.280.0080.00716.12
7.3.270.0110.00717.40
7.3.260.0140.00718.24
7.3.250.0070.01116.15
7.3.240.0140.01016.33
7.3.230.0100.00616.39
7.3.210.0140.00416.04
7.3.200.0080.01019.39
7.3.190.0120.00916.16
7.3.180.0130.00916.27
7.3.170.0110.00416.27
7.3.160.0090.00916.50
7.3.120.0060.01214.74
7.2.330.0120.00916.70
7.2.320.0090.00916.27
7.2.310.0100.01116.68
7.2.300.0100.01016.56
7.2.290.0060.01516.49
7.2.00.0000.01219.13
7.1.200.0160.01315.35
7.1.100.0030.01618.26
7.1.70.0050.00317.15
7.1.60.0090.00417.01
7.1.50.0100.01016.86
7.1.40.0100.01016.39
7.1.30.0070.00716.50
7.1.20.0030.01016.73
7.1.10.0000.00816.41
7.1.00.0030.01316.74
7.0.200.0000.00916.91
7.0.190.0040.00716.67
7.0.180.0000.01516.36
7.0.170.0040.00816.34
7.0.160.0060.00916.24
7.0.150.0060.01016.21
7.0.140.0000.01516.41
7.0.130.0030.01416.41
7.0.120.0030.01016.56
7.0.110.0030.00516.34
7.0.100.0000.01116.28
7.0.90.0030.01316.41
7.0.80.0100.00616.33
7.0.70.0040.01116.27
7.0.60.0030.00616.27
7.0.50.0030.00616.40
7.0.40.0040.00715.82
7.0.30.0050.00515.82
7.0.20.0040.00815.82
7.0.10.0070.01015.82
7.0.00.0060.00315.82
5.6.300.0100.07320.90
5.6.290.0070.05920.66
5.6.280.0070.07821.02
5.6.270.0030.08621.07
5.6.260.0130.06320.97
5.6.250.0070.05420.89
5.6.240.0100.07720.81
5.6.230.0030.07120.96
5.6.220.0030.06120.90
5.6.210.0030.06920.94
5.6.200.0060.03921.01
5.6.190.0030.08720.94
5.6.180.0000.04520.82
5.6.170.0070.08021.02
5.6.160.0070.04020.91
5.6.150.0000.05221.00
5.6.140.0000.08720.91
5.6.130.0030.04620.81
5.6.120.0030.06420.91
5.6.110.0030.07920.84
5.6.100.0030.08620.94
5.6.90.0000.06320.99
5.6.80.0070.08020.11
5.6.70.0000.04420.32
5.6.60.0030.04820.28
5.6.50.0000.06620.29
5.6.40.0070.04620.10
5.6.30.0030.06720.18
5.6.20.0000.08320.30
5.6.10.0070.08020.36
5.6.00.0070.07620.06
5.5.380.0030.08317.55
5.5.370.0070.03917.46
5.5.360.0030.04017.44
5.5.350.0100.06717.54
5.5.340.0000.05017.91
5.5.330.0030.05518.02
5.5.320.0000.04318.00
5.5.310.0100.03618.04
5.5.300.0070.03817.95
5.5.290.0140.03818.02
5.5.280.0070.07417.83
5.5.270.0100.06918.00
5.5.260.0100.06117.95
5.5.250.0030.04817.82
5.5.240.0000.04317.39
5.5.230.0000.04217.40
5.5.220.0000.04017.43
5.5.210.0000.05817.12
5.5.200.0030.07317.36
5.5.190.0000.08317.33
5.5.180.0030.06017.27
5.5.160.0030.08017.05
5.5.150.0070.04717.30
5.5.140.0030.03917.44
5.5.130.0030.03917.39
5.5.120.0140.07117.30
5.5.110.0000.08517.35
5.5.100.0030.07817.09
5.5.90.0000.08217.16
5.5.80.0100.07117.08
5.5.70.0070.03416.93
5.5.60.0030.07916.98
5.5.50.0100.06217.33
5.5.40.0030.04517.17
5.5.30.0000.04517.15
5.5.20.0030.08317.29
5.5.10.0000.08617.10
5.5.00.0100.03717.18
5.4.450.0070.08919.39
5.4.440.0000.04419.36
5.4.430.0070.05919.31
5.4.420.0030.08119.31
5.4.410.0030.06819.07
5.4.400.0070.03319.10
5.4.390.0000.06419.05
5.4.380.0100.06119.05
5.4.370.0100.06418.99
5.4.360.0000.07818.91
5.4.350.0100.06819.04
5.4.340.0030.04418.97
5.4.320.0000.05118.85
5.4.310.0030.03818.95
5.4.300.0030.06119.05
5.4.290.0030.03718.88
5.4.280.0030.05919.11
5.4.270.0100.04418.91
5.4.260.0100.04218.95
5.4.250.0100.07218.85
5.4.240.0000.04819.02
5.4.230.0070.06819.13
5.4.220.0030.07919.02
5.4.210.0030.07819.08
5.4.200.0000.07418.95
5.4.190.0030.07919.02
5.4.180.0070.07619.02
5.4.170.0070.06719.08
5.4.160.0100.03819.10
5.4.150.0030.07018.80
5.4.140.0030.08016.49
5.4.130.0090.03516.41
5.4.120.0030.03716.59
5.4.110.0030.03616.40
5.4.100.0060.03216.64
5.4.90.0030.03416.68
5.4.80.0000.03816.63
5.4.70.0070.04216.63
5.4.60.0070.03316.62
5.4.50.0060.03416.62
5.4.40.0070.05316.71
5.4.30.0000.07416.59
5.4.20.0070.05216.30
5.4.10.0000.05716.37
5.4.00.0070.07216.07
5.3.290.0100.06915.82
5.3.280.0070.07515.82
5.3.270.0000.08215.82
5.3.260.0000.04215.82
5.3.250.0100.03715.82
5.3.240.0070.07015.82
5.3.230.0000.05415.82
5.3.220.0030.07815.82
5.3.210.0030.03715.82
5.3.200.0000.04115.82
5.3.190.0030.04115.82
5.3.180.0060.05215.82
5.3.170.0070.07015.82
5.3.160.0030.04415.82
5.3.150.0030.03515.82
5.3.140.0030.06915.82
5.3.130.0030.08015.82
5.3.120.0000.03915.82
5.3.110.0030.03815.82
5.3.100.0000.08215.82
5.3.90.0160.05915.82
5.3.80.0070.06515.82
5.3.70.0030.07315.82
5.3.60.0030.07415.82
5.3.50.0000.06815.82
5.3.40.0070.03715.82
5.3.30.0030.03815.82
5.3.20.0000.03715.82
5.3.10.0070.02915.82
5.3.00.0070.06315.82
5.2.170.0030.05615.82
5.2.160.0000.03115.82
5.2.150.0030.02915.82
5.2.140.0000.04615.82
5.2.130.0070.05815.82
5.2.120.0000.05315.82
5.2.110.0030.05215.82
5.2.100.0000.03115.82
5.2.90.0000.03115.82
5.2.80.0070.02515.82
5.2.70.0000.03215.82
5.2.60.0060.04115.82
5.2.50.0000.03415.82
5.2.40.0030.03715.82
5.2.30.0030.06515.82
5.2.20.0030.05515.82
5.2.10.0130.05115.82
5.2.00.0000.06615.82
5.1.60.0030.02415.82
5.1.50.0000.05115.82
5.1.40.0000.02815.82
5.1.30.0030.03415.82
5.1.20.0000.03515.82
5.1.10.0070.02315.82
5.1.00.0030.02915.82
5.0.50.0000.02315.82
5.0.40.0030.02115.82
5.0.30.0000.03215.82
5.0.20.0000.02115.82
5.0.10.0000.02115.82
5.0.00.0000.03115.82
4.4.90.0030.02615.82
4.4.80.0040.01415.82
4.4.70.0030.03715.82
4.4.60.0000.03815.82
4.4.50.0030.02515.82
4.4.40.0000.04015.82
4.4.30.0030.01515.82
4.4.20.0000.01715.82
4.4.10.0000.02915.82
4.4.00.0060.01915.82
4.3.110.0030.01315.82
4.3.100.0040.01815.82
4.3.90.0000.01615.82
4.3.80.0000.02515.82
4.3.70.0000.02815.82
4.3.60.0030.03515.82
4.3.50.0030.01315.82
4.3.40.0000.02515.82
4.3.30.0030.03215.82
4.3.20.0030.01715.82
4.3.10.0000.01615.82
4.3.00.0000.01615.82

preferences:
41.5 ms | 401 KiB | 5 Q