3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("A","B","C","D"); $iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($array)); while ( $iterator->valid() ) { var_dump($iterator->current()); $iterator->next(); } ?>

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)
8.3.40.0140.00318.59
8.3.30.0090.00618.67
8.3.20.0040.00418.65
8.3.10.0050.00320.96
8.3.00.0070.00021.90
8.2.170.0110.00422.96
8.2.160.0070.00720.52
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0050.00326.16
8.2.120.0040.00421.05
8.2.110.0090.00020.29
8.2.100.0060.00617.66
8.2.90.0000.00819.04
8.2.80.0050.00317.97
8.2.70.0060.00617.63
8.2.60.0050.00317.80
8.2.50.0080.00018.07
8.2.40.0040.00418.03
8.2.30.0040.00421.23
8.2.20.0000.00717.50
8.2.10.0030.00617.67
8.2.00.0030.00717.74
8.1.270.0050.00323.99
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0040.00422.38
8.1.230.0080.00420.89
8.1.220.0000.00818.77
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0040.00418.30
8.1.160.0040.00418.85
8.1.150.0000.00718.48
8.1.140.0040.00417.42
8.1.130.0000.00817.82
8.1.120.0060.00317.30
8.1.110.0050.00317.27
8.1.100.0050.00317.28
8.1.90.0040.00317.33
8.1.80.0030.00517.32
8.1.70.0000.00717.27
8.1.60.0000.00917.46
8.1.50.0080.00017.33
8.1.40.0040.00417.34
8.1.30.0060.00317.59
8.1.20.0040.00417.49
8.1.10.0060.00317.52
8.1.00.0080.00417.44
8.0.300.0000.00719.80
8.0.290.0000.00817.18
8.0.280.0000.00718.42
8.0.270.0040.00417.19
8.0.260.0070.00016.66
8.0.250.0030.00516.88
8.0.240.0040.00416.93
8.0.230.0030.00316.89
8.0.220.0090.00016.82
8.0.210.0070.00016.71
8.0.200.0040.00416.84
8.0.190.0000.00716.77
8.0.180.0040.00416.88
8.0.170.0040.00416.83
8.0.160.0040.00416.89
8.0.150.0050.00616.51
8.0.140.0000.00716.68
8.0.130.0060.00013.13
8.0.120.0000.00816.86
8.0.110.0000.00716.72
8.0.100.0070.00016.70
8.0.90.0080.00016.91
8.0.80.0100.00616.80
8.0.70.0050.00316.66
8.0.60.0050.00316.71
8.0.50.0040.00416.84
8.0.30.0140.00517.11
8.0.20.0110.00817.40
8.0.10.0040.00416.97
8.0.00.0120.00616.78
7.4.330.0030.00314.59
7.4.320.0040.00416.42
7.4.300.0040.00416.36
7.4.290.0080.00016.54
7.4.280.0030.00316.50
7.4.270.0030.00316.45
7.4.260.0030.00313.21
7.4.250.0080.00016.42
7.4.240.0080.00016.43
7.4.230.0040.00416.63
7.4.220.0060.01016.43
7.4.210.0070.00916.52
7.4.200.0030.00316.60
7.4.190.0030.00316.66
7.4.160.0160.00616.39
7.4.150.0070.01017.40
7.4.140.0140.00717.86
7.4.130.0090.00916.38
7.4.120.0100.00616.48
7.4.110.0100.00716.25
7.4.100.0130.00316.39
7.4.90.0060.01316.24
7.4.80.0160.00719.39
7.4.70.0100.00616.30
7.4.60.0120.00616.50
7.4.50.0000.00716.41
7.4.40.0070.00722.52
7.4.30.0070.01516.43
7.4.00.0000.01414.87
7.3.330.0020.00213.05
7.3.320.0000.00513.08
7.3.310.0070.00016.09
7.3.300.0060.00016.04
7.3.290.0070.01016.13
7.3.280.0090.00916.14
7.3.270.0030.01317.40
7.3.260.0130.00518.24
7.3.250.0160.00916.30
7.3.240.0140.00316.17
7.3.230.0030.01416.39
7.3.210.0100.00716.37
7.3.200.0160.00519.39
7.3.190.0120.00816.13
7.3.180.0080.00816.16
7.3.170.0060.00916.31
7.3.160.0100.01016.47
7.3.120.0040.00814.65
7.2.330.0060.01316.46
7.2.320.0060.01416.65
7.2.310.0130.01016.50
7.2.300.0160.00816.62
7.2.290.0030.01316.61
7.2.00.0000.01419.42
7.1.100.0030.01018.20
7.1.70.0030.00717.12
7.1.60.0090.01619.40
7.1.50.0100.00716.93
7.1.00.0000.03722.36
7.0.200.0070.00016.86
7.0.140.0030.07322.10
7.0.70.0030.05021.66
7.0.60.0030.06321.68
7.0.50.0130.07322.09
7.0.40.0000.08320.14
7.0.30.0030.05020.10
7.0.20.0030.08320.14
7.0.10.0100.05320.14
7.0.00.0070.04320.16
5.6.280.0030.07320.86
5.6.220.0070.04320.66
5.6.210.0030.08020.66
5.6.200.0030.08321.03
5.6.190.0070.06721.10
5.6.180.0100.07721.02
5.6.170.0100.06721.08
5.6.160.0100.04321.02
5.6.150.0130.07721.00
5.6.140.0070.06021.16
5.6.130.0070.07720.92
5.6.120.0000.07721.00
5.6.110.0070.07021.05
5.6.100.0100.07321.11
5.6.90.0100.04721.04
5.6.80.0000.05720.55
5.6.70.0030.05020.46
5.6.60.0000.06720.43
5.6.50.0100.07720.33
5.6.40.0030.06020.40
5.6.30.0030.08020.41
5.6.20.0030.08320.38
5.6.10.0000.05720.29
5.6.00.0070.06720.27
5.5.360.0030.04720.33
5.5.350.0000.08020.32
5.5.340.0000.08320.91
5.5.330.0030.05020.77
5.5.320.0070.08020.73
5.5.310.0100.06020.87
5.5.300.0030.05320.78
5.5.290.0070.07720.91
5.5.280.0000.08720.86
5.5.270.0030.08320.87
5.5.260.0100.06320.63
5.5.250.0100.05020.71
5.5.240.0100.04020.12
5.5.230.0100.08020.17
5.5.220.0100.06020.25
5.5.210.0070.06320.11
5.5.200.0130.07320.21
5.5.190.0070.04720.13
5.5.180.0030.04320.23
5.5.160.0070.08020.28
5.5.150.0000.05320.23
5.5.140.0130.04720.24
5.5.130.0000.06320.24
5.5.120.0070.04320.25
5.5.110.0000.06320.24
5.5.100.0100.07720.17
5.5.90.0030.07720.05
5.5.80.0070.06020.09
5.5.70.0070.05720.04
5.5.60.0100.07720.02
5.5.50.0030.05020.19
5.5.40.0030.04020.09
5.5.30.0070.07720.12
5.5.20.0000.07019.95
5.5.10.0070.04720.08
5.5.00.0030.05320.01
5.4.450.0170.05019.35
5.4.440.0130.07719.23
5.4.430.0030.07319.44
5.4.420.0030.08019.30
5.4.410.0000.05319.29
5.4.400.0030.07719.23
5.4.390.0030.04318.81
5.4.380.0000.05319.06
5.4.370.0030.07018.98
5.4.360.0030.07719.10
5.4.350.0030.04719.00
5.4.340.0030.06018.90
5.4.320.0100.05718.98
5.4.310.0030.06019.12
5.4.300.0070.04319.11
5.4.290.0070.05319.02
5.4.280.0070.07318.97
5.4.270.0100.07319.04
5.4.260.0000.08019.04
5.4.250.0030.07718.95
5.4.240.0070.07319.05
5.4.230.0030.08018.95
5.4.220.0000.08319.14
5.4.210.0070.07319.22
5.4.200.0000.06319.09
5.4.190.0030.05018.89
5.4.180.0070.07319.11
5.4.170.0030.05719.05
5.4.160.0030.04318.88
5.4.150.0070.08718.94
5.4.140.0030.07716.27
5.4.130.0130.05016.27
5.4.120.0000.07316.32
5.4.110.0000.07716.38
5.4.100.0030.07316.32
5.4.90.0030.07016.40
5.4.80.0030.07016.19
5.4.70.0000.06716.21
5.4.60.0030.07316.42
5.4.50.0000.07316.31
5.4.40.0030.07016.39
5.4.30.0030.05716.20
5.4.20.0030.04316.18
5.4.10.0030.08016.30
5.4.00.0030.07015.71
5.3.290.0030.07314.62
5.3.280.0030.07714.59
5.3.270.0030.05014.60
5.3.260.0000.05014.44
5.3.250.0070.06714.47
5.3.240.0000.08014.59
5.3.230.0070.07714.59
5.3.220.0030.08014.52
5.3.210.0030.07714.42
5.3.200.0030.07014.56
5.3.190.0030.07714.58
5.3.180.0030.07014.52
5.3.170.0030.07314.51
5.3.160.0070.07714.57
5.3.150.0030.07714.52
5.3.140.0170.06014.49
5.3.130.0000.04314.51
5.3.120.0070.03714.55
5.3.110.0030.07714.50
5.3.100.0030.06013.98
5.3.90.0000.07713.93
5.3.80.0000.07313.96
5.3.70.0070.07013.96
5.3.60.0070.04713.86
5.3.50.0130.06713.71
5.3.40.0030.07313.71
5.3.30.0030.07713.77
5.3.20.0070.06313.45
5.3.10.0030.07013.59
5.3.00.0000.07013.52
5.2.170.0070.05712.13
5.2.160.0030.05712.13
5.2.150.0030.06012.13
5.2.140.0070.05712.13
5.2.130.0000.06312.13
5.2.120.0000.05312.13
5.2.110.0000.06312.13
5.2.100.0000.06712.13
5.2.90.0000.06312.13
5.2.80.0000.04012.13
5.2.70.0000.03312.13
5.2.60.0030.03712.13
5.2.50.0000.06012.13
5.2.40.0030.02712.13
5.2.30.0030.02712.13
5.2.20.0000.03012.13
5.2.10.0030.02712.13
5.2.00.0030.02712.13
5.1.60.0000.02312.13
5.1.50.0030.02312.13
5.1.40.0000.04312.13
5.1.30.0030.02312.13
5.1.20.0030.02712.13
5.1.10.0030.02312.13
5.1.00.0070.02012.13
5.0.50.0000.01712.13
5.0.40.0030.01312.13
5.0.30.0000.03012.13
5.0.20.0030.02012.13
5.0.10.0030.01312.13
5.0.00.0000.03312.13
4.4.90.0000.02712.13
4.4.80.0030.02012.13
4.4.70.0000.01712.13
4.4.60.0000.01712.13
4.4.50.0000.01712.13
4.4.40.0000.02312.13
4.4.30.0000.01712.13
4.4.20.0000.01712.13
4.4.10.0030.01012.13
4.4.00.0000.02312.13
4.3.110.0000.02012.13
4.3.100.0030.01712.13
4.3.90.0000.01312.13
4.3.80.0000.02312.13
4.3.70.0000.02712.13
4.3.60.0000.02012.13
4.3.50.0070.03012.13
4.3.40.0030.02312.13
4.3.30.0030.03312.13
4.3.20.0000.01712.13
4.3.10.0000.03012.13
4.3.00.0000.01312.13

preferences:
37.95 ms | 400 KiB | 5 Q