3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = ['a',['b','c','d'],['e',['f','g']]]; // only covers the first row foreach(new RecursiveArrayIterator($data) as $item) { echo $item . "\n"; } // recursively finds all items foreach(new RecursiveIteratorIterator(new RecursiveArrayIterator($data)) as $item) { echo $item . "\n"; }

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)
8.3.60.0150.00716.50
8.3.50.0120.00617.93
8.3.40.0180.00418.82
8.3.30.0120.00918.85
8.3.20.0090.00020.25
8.3.10.0050.00323.52
8.3.00.0080.00023.69
8.2.180.0060.00918.54
8.2.170.0140.00722.96
8.2.160.0100.00720.52
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00419.83
8.2.120.0090.00026.35
8.2.110.0000.00922.07
8.2.100.0040.00817.80
8.2.90.0030.00619.09
8.2.80.0050.00317.97
8.2.70.0030.00717.63
8.2.60.0000.00817.93
8.2.50.0050.00318.07
8.2.40.0040.00422.22
8.2.30.0000.00819.36
8.2.20.0060.00317.74
8.2.10.0000.00818.04
8.2.00.0050.00318.18
8.1.270.0040.00423.96
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.93
8.1.230.0080.00319.17
8.1.220.0000.00817.78
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0040.00418.46
8.1.160.0040.00420.78
8.1.150.0070.00018.81
8.1.140.0050.00319.62
8.1.130.0080.00017.64
8.1.120.0070.00017.46
8.1.110.0070.00017.51
8.1.100.0000.00717.49
8.1.90.0000.00717.38
8.1.80.0000.00817.48
8.1.70.0070.00017.38
8.1.60.0040.00417.49
8.1.50.0080.00017.46
8.1.40.0000.00817.56
8.1.30.0000.00817.59
8.1.20.0030.00517.58
8.1.10.0040.00417.61
8.1.00.0000.00817.48
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0000.00718.51
8.0.270.0000.00717.14
8.0.260.0030.00317.21
8.0.250.0030.00317.04
8.0.240.0030.00317.02
8.0.230.0070.00017.06
8.0.220.0030.00316.86
8.0.210.0030.00417.02
8.0.200.0050.00317.07
8.0.190.0000.00916.89
8.0.180.0000.00816.92
8.0.170.0090.00017.02
8.0.160.0000.00816.99
8.0.150.0040.00416.98
8.0.140.0030.00416.89
8.0.130.0030.00313.47
8.0.120.0040.00416.82
8.0.110.0000.00716.92
8.0.100.0080.00016.83
8.0.90.0070.00017.00
8.0.80.0100.00516.92
8.0.70.0070.00016.86
8.0.60.0040.00416.83
8.0.50.0080.00016.83
8.0.30.0120.00617.00
8.0.20.0080.01017.40
8.0.10.0070.00016.96
8.0.00.0090.01116.77
7.4.330.0050.00016.88
7.4.320.0030.00316.58
7.4.300.0000.00816.61
7.4.290.0050.00316.59
7.4.280.0030.00616.61
7.4.270.0040.00416.50
7.4.260.0030.00316.48
7.4.250.0040.00416.60
7.4.240.0020.00516.54
7.4.230.0030.00316.40
7.4.220.0090.00916.63
7.4.210.0050.00916.59
7.4.200.0070.00016.61
7.4.160.0130.00316.40
7.4.150.0060.01217.40
7.4.140.0110.00917.86
7.4.130.0060.01916.41
7.4.120.0080.00916.56
7.4.110.0090.00916.70
7.4.100.0060.01416.36
7.4.90.0110.00716.28
7.4.80.0170.00019.39
7.4.70.0120.00416.37
7.4.60.0100.00616.63
7.4.50.0060.00916.40
7.4.40.0120.01216.26
7.4.30.0100.01416.31
7.4.00.0040.01114.97
7.3.330.0000.00613.27
7.3.320.0000.00513.13
7.3.310.0050.00316.47
7.3.300.0030.00316.31
7.3.290.0020.00516.33
7.3.280.0070.01116.33
7.3.270.0090.01517.40
7.3.260.0040.01516.32
7.3.240.0070.01116.38
7.3.230.0150.00616.39
7.3.210.0320.01716.61
7.3.200.0110.00619.39
7.3.190.0090.00616.45
7.3.180.0100.00616.51
7.3.170.0110.00516.36
7.3.160.0150.00816.50
7.3.120.0030.01214.62
7.3.110.0000.01914.64
7.3.100.0060.00615.03
7.3.90.0100.00714.91
7.3.80.0030.01014.98
7.3.70.0120.00314.58
7.3.60.0000.00814.86
7.3.50.0110.00414.66
7.3.40.0030.01414.77
7.3.30.0060.00314.79
7.3.20.0030.01016.76
7.3.10.0000.01316.81
7.3.00.0060.00616.75
7.2.330.0130.00316.50
7.2.320.0120.01216.68
7.2.310.0190.00316.48
7.2.300.0080.00816.63
7.2.290.0090.00916.55
7.2.250.0070.01115.04
7.2.240.0070.01415.13
7.2.230.0030.01315.13
7.2.220.0040.00815.09
7.2.210.0110.00415.16
7.2.200.0070.00715.26
7.2.190.0100.00315.18
7.2.180.0100.00714.73
7.2.170.0030.01014.97
7.2.60.0040.01116.88
7.2.00.0210.00918.63
7.1.330.0000.01415.63
7.1.320.0090.00015.80
7.1.310.0030.00715.74
7.1.300.0040.00715.96
7.1.290.0060.00315.58
7.1.280.0040.00815.52
7.1.270.0060.01015.73
7.1.260.0030.00915.69
7.1.200.0140.01015.88
7.1.100.0080.01218.26
7.1.70.0040.00417.27
7.1.60.0140.01119.30
7.1.50.0090.01216.94
7.1.00.0030.07722.46
7.0.200.0060.00316.60
7.0.60.0130.03021.75
7.0.50.0070.03717.82
7.0.40.0000.04720.19
7.0.30.0330.04320.16
7.0.20.0200.06320.20
7.0.10.0000.07020.12
7.0.00.0100.08320.08
5.6.210.0070.04020.75
5.6.200.0000.04718.12
5.6.190.0100.08320.60
5.6.180.0430.06020.77
5.6.170.0230.04720.50
5.6.160.0170.07720.40
5.6.150.0070.07718.19
5.6.140.0170.07018.20
5.6.130.0200.02318.14
5.6.120.0030.05021.05
5.6.110.0170.07720.99
5.6.100.0170.07021.03
5.6.90.0100.08020.97
5.6.80.0070.03720.28
5.5.350.0330.06720.28
5.5.340.0000.04318.01
5.5.330.0070.09020.21
5.5.320.0530.04320.34
5.5.310.0330.08320.17
5.5.300.0130.07317.90
5.5.290.0070.05717.95
5.5.280.0130.06320.96
5.5.270.0100.07320.66
5.5.260.0100.04320.76
5.5.250.0130.08720.59
5.5.240.0200.07320.04

preferences:
57.68 ms | 400 KiB | 5 Q