3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'USA' => [ 'Alabama' => [ 'Montgomery', 'Birmingham' ], 'Arizona' => [ 'Phoenix', 'Mesa', 'Gilbert' ] ], 'Germany' => [ 'West Germany' => [ 'Bonn', 'Cologne' ] ] ]; $arrayobject = new ArrayObject($array); $iterator = $arrayobject->getIterator(); while($iterator->valid()) { $c = $iterator->current(); echo $iterator->key() . ' => ' . (is_array($c) ? 'array' : $c) . "\n"; $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)
8.3.60.0100.00716.75
8.3.50.0120.00921.98
8.3.40.0100.00318.59
8.3.30.0110.00718.92
8.3.20.0050.00320.15
8.3.10.0070.00021.73
8.3.00.0180.00019.25
8.2.180.0090.01216.50
8.2.170.0100.01022.96
8.2.160.0070.00719.06
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00619.66
8.2.110.0100.00022.17
8.2.100.0060.00617.63
8.2.90.0000.00919.21
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0050.00317.80
8.2.50.0060.00318.07
8.2.40.0000.00917.96
8.2.30.0000.00817.91
8.2.20.0050.00317.56
8.2.10.0030.00518.13
8.2.00.0070.00017.68
8.1.280.0140.00725.92
8.1.270.0030.00520.77
8.1.260.0070.00726.35
8.1.250.0040.00428.09
8.1.240.0080.00023.98
8.1.230.0110.00018.77
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0030.00617.23
8.1.180.0000.00818.10
8.1.170.0090.00020.13
8.1.160.0000.00822.00
8.1.150.0050.00318.90
8.1.140.0000.01017.36
8.1.130.0020.00519.22
8.1.120.0030.00317.46
8.1.110.0000.00717.49
8.1.100.0000.00717.36
8.1.90.0070.00017.39
8.1.80.0000.00817.36
8.1.70.0050.00217.34
8.1.60.0040.00417.47
8.1.50.0030.00617.54
8.1.40.0030.00517.40
8.1.30.0060.00317.71
8.1.20.0050.00217.63
8.1.10.0040.00417.57
8.1.00.0040.00417.47
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.36
8.0.270.0030.00317.25
8.0.260.0000.00616.73
8.0.250.0030.00317.00
8.0.240.0000.00816.85
8.0.230.0030.00316.86
8.0.220.0000.00716.78
8.0.210.0090.00016.78
8.0.200.0070.00016.89
8.0.190.0000.00716.84
8.0.180.0030.00516.90
8.0.170.0070.00016.88
8.0.160.0070.00016.96
8.0.150.0070.00016.93
8.0.140.0000.00716.86
8.0.130.0000.00613.36
8.0.120.0040.00416.97
8.0.110.0060.00316.80
8.0.100.0000.00916.82
8.0.90.0070.00016.80
8.0.80.0080.00716.84
8.0.70.0000.00716.96
8.0.60.0070.00016.88
8.0.50.0000.00716.73
8.0.30.0120.01117.13
8.0.20.0140.01217.40
8.0.10.0040.00416.99
8.0.00.0030.01416.54
7.4.330.0000.00515.09
7.4.320.0030.00316.52
7.4.300.0030.00316.45
7.4.290.0080.00016.58
7.4.280.0000.00816.50
7.4.270.0040.00416.48
7.4.260.0040.00416.56
7.4.250.0030.00616.42
7.4.240.0020.00616.55
7.4.230.0040.00416.25
7.4.220.0190.00716.49
7.4.210.0090.00716.54
7.4.200.0030.00316.45
7.4.160.0050.01016.33
7.4.150.0110.00717.40
7.4.140.0090.01217.86
7.4.130.0070.01216.67
7.4.120.0080.00916.38
7.4.110.0150.00816.32
7.4.100.0120.00416.44
7.4.90.0090.01316.38
7.4.80.0090.00916.59
7.4.70.0090.00916.52
7.4.60.0100.01016.46
7.4.50.0000.00816.58
7.4.40.0070.01016.38
7.4.30.0090.00916.52
7.4.00.0080.00815.02
7.3.330.0060.00012.94
7.3.320.0100.00513.04
7.3.310.0070.00016.15
7.3.300.0070.00016.16
7.3.290.0030.00316.23
7.3.280.0050.01216.18
7.3.270.0060.01917.40
7.3.260.0060.01216.20
7.3.250.0100.01016.35
7.3.240.0150.00416.09
7.3.230.0250.01916.39
7.3.210.0060.01016.57
7.3.200.0090.01019.39
7.3.190.0110.00416.22
7.3.180.0080.00816.19
7.3.170.0130.00316.35
7.3.160.0040.01516.39
7.2.330.0120.00616.71
7.2.320.0070.01016.68
7.2.310.0070.01016.40
7.2.300.0080.00816.74
7.2.290.0090.01216.48
7.2.00.0030.01019.26
7.1.100.0070.01117.89
7.1.70.0030.00517.13
7.1.60.0100.01419.50
7.1.50.0070.00417.04
7.1.00.0070.07322.40
7.0.200.0740.01014.91
7.0.140.0070.07321.95
7.0.60.0100.08020.07
7.0.50.0030.08317.84
7.0.40.0070.04720.15
7.0.30.0270.07720.13
7.0.20.0270.06720.13
7.0.10.0300.05020.02
7.0.00.0130.06720.16
5.6.280.0100.06720.85
5.6.210.0070.08020.47
5.6.200.0070.08718.08
5.6.190.0100.08320.34
5.6.180.0270.05720.74
5.6.170.0470.07020.41
5.6.160.0130.07720.49
5.6.150.0030.04018.18
5.6.140.0070.05318.12
5.6.130.0130.07018.21
5.6.120.0030.09020.95
5.6.110.0030.04021.04
5.6.100.0170.07321.02
5.6.90.0230.06720.96
5.6.80.0030.08720.28
5.6.70.0300.06320.41
5.5.350.0100.08720.43
5.5.340.0030.04317.89
5.5.330.0170.07720.25
5.5.320.0000.04720.41
5.5.310.0200.08320.16
5.5.300.0000.07017.98
5.5.290.0100.08017.91
5.5.280.0100.06020.88
5.5.270.0100.07720.86
5.5.260.0170.07320.76
5.5.250.0030.07720.55
5.5.240.0030.05320.15
5.4.450.0630.05019.27
5.4.440.0970.06719.22
5.4.430.0670.05319.40
5.4.420.0230.05019.61
5.4.410.0800.05318.85
5.4.400.0530.03318.77
5.4.390.0300.08018.56
5.4.380.0330.07718.57
5.4.370.0300.05718.68
5.4.360.0400.05718.74
5.4.350.0470.04718.53
5.4.340.0270.05318.59
5.4.320.0270.06018.46
5.4.310.0370.05018.74
5.4.300.0300.06018.50
5.4.290.0430.05018.58
5.4.280.0400.05718.69
5.4.270.0530.03718.57
5.4.260.0370.05318.55
5.4.250.0300.05318.73
5.4.240.0470.07018.46
5.4.230.0430.06718.51
5.4.220.0230.06318.45
5.4.210.0470.05718.60
5.4.200.0530.04316.53
5.4.190.0530.06018.54
5.4.180.0370.05018.62
5.4.170.0430.08018.48
5.4.160.0370.07318.66
5.4.150.0330.07018.59
5.4.140.0330.06716.27
5.4.130.0370.04716.18
5.4.120.0400.04316.15
5.4.110.0230.06316.22
5.4.100.0230.07016.06
5.4.90.0370.05316.07
5.4.80.0430.05316.12
5.4.70.0500.05716.27
5.4.60.0300.05716.13
5.4.50.0300.05316.23
5.4.40.0270.05716.12
5.4.30.0370.06316.13
5.4.20.0230.07316.23
5.4.10.0270.06716.17
5.4.00.0400.04315.72
5.3.290.0430.05714.64
5.3.280.0330.07014.60
5.3.270.0430.07014.52
5.3.260.0370.07714.56
5.3.250.0330.06014.59
5.3.240.0370.05714.66
5.3.230.0400.05314.69
5.3.220.0300.06314.52
5.3.210.0300.05314.67
5.3.200.0330.04714.57
5.3.190.0400.05714.56
5.3.180.0230.06314.54
5.3.170.0400.05014.54
5.3.160.0430.04714.49
5.3.150.0330.06314.56
5.3.140.0300.05314.64
5.3.130.0270.05314.54
5.3.120.0470.05314.55
5.3.110.0200.07314.56
5.3.100.0370.06314.02
5.3.90.0370.06313.94
5.3.80.0230.05714.09
5.3.70.0330.04714.01
5.3.60.0300.04713.91
5.3.50.0270.05714.04
5.3.40.0300.05313.86
5.3.30.0370.05013.98
5.3.20.0200.05313.67
5.3.10.0230.05713.64
5.3.00.0500.05313.66
5.2.170.0270.04711.18
5.2.160.0470.04711.14
5.2.150.0400.05711.09
5.2.140.0270.04311.05
5.2.130.0430.06011.05
5.2.120.0600.05311.02
5.2.110.0370.04011.10
5.2.100.0300.03311.26
5.2.90.0570.06011.07
5.2.80.0430.03311.23
5.2.70.0900.05711.06
5.2.60.0300.04011.08
5.2.50.0770.04310.93
5.2.40.0330.03011.13
5.2.30.0370.04311.11
5.2.20.0400.04310.98
5.2.10.0430.04710.97
5.2.00.0200.04010.85
5.1.60.0270.04310.11
5.1.50.0570.03710.01
5.1.40.0270.02710.01
5.1.30.0500.03310.32
5.1.20.0170.03710.50
5.1.10.0230.03710.20
5.1.00.0330.05710.19
5.0.50.0170.0408.61
5.0.40.0600.0278.46
5.0.30.0200.0478.24
5.0.20.0300.0378.37
5.0.10.0270.0308.18
5.0.00.0070.0578.13
4.4.90.0100.0305.91
4.4.80.0230.0205.91
4.4.70.0130.0205.88
4.4.60.0130.0205.90
4.4.50.0200.0305.88
4.4.40.0330.0405.85
4.4.30.0100.0305.91
4.4.20.0270.0276.02
4.4.10.0230.0275.97
4.4.00.0100.0335.90
4.3.110.0130.0235.84
4.3.100.0270.0135.88
4.3.90.0030.0275.79
4.3.80.0070.0435.80
4.3.70.0230.0205.81
4.3.60.0130.0175.82
4.3.50.0070.0235.82
4.3.40.0130.0335.79
4.3.30.0200.0204.60
4.3.20.0070.0204.60
4.3.10.0030.0304.60
4.3.00.0100.0239.30

preferences:
56.6 ms | 401 KiB | 5 Q