3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 1 => [ 1 => [ 'anna' ], 2 => [ 'bob' ] ], 2 => [ 1 => [ 'carol' ], 2 => [ 'david' ] ] ]; $iterator = new \RecursiveIteratorIterator( new \RecursiveArrayIterator($array) ); foreach ($iterator as $result) { var_dump($result); }

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)
8.3.70.0120.00316.38
8.3.60.0030.01316.63
8.3.50.0060.01521.99
8.3.40.0110.00318.56
8.3.30.0040.01118.96
8.3.20.0070.00020.13
8.3.10.0000.00821.87
8.3.00.0070.00020.92
8.2.190.0150.00018.04
8.2.180.0070.00716.63
8.2.170.0040.01122.96
8.2.160.0030.01222.02
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00419.42
8.2.110.0040.00422.11
8.2.100.0090.00417.76
8.2.90.0040.00417.84
8.2.80.0000.00817.97
8.2.70.0040.00417.93
8.2.60.0000.00818.09
8.2.50.0000.00918.10
8.2.40.0080.00019.75
8.2.30.0040.00418.06
8.2.20.0040.00417.55
8.2.10.0080.00018.10
8.2.00.0070.00017.84
8.1.280.0060.01225.92
8.1.270.0060.00320.73
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00920.44
8.1.230.0040.00820.97
8.1.220.0000.00721.09
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0050.00320.71
8.1.160.0070.00021.95
8.1.150.0000.00818.89
8.1.140.0030.00517.50
8.1.130.0030.00317.48
8.1.120.0070.00017.50
8.1.110.0000.00917.45
8.1.100.0040.00417.48
8.1.90.0040.00417.43
8.1.80.0050.00317.42
8.1.70.0000.00717.48
8.1.60.0030.00617.55
8.1.50.0060.00317.39
8.1.40.0000.00817.49
8.1.30.0040.00417.64
8.1.20.0000.00817.57
8.1.10.0040.00417.51
8.1.00.0040.00417.50
8.0.300.0000.00719.69
8.0.290.0040.00416.75
8.0.280.0000.00818.43
8.0.270.0030.00517.33
8.0.260.0030.00316.70
8.0.250.0000.00716.97
8.0.240.0040.00416.98
8.0.230.0040.00416.96
8.0.220.0030.00316.88
8.0.210.0000.00716.90
8.0.200.0030.00317.02
8.0.190.0000.00716.91
8.0.180.0000.00716.82
8.0.170.0000.00716.82
8.0.160.0060.00316.95
8.0.150.0000.00716.93
8.0.140.0040.00416.88
8.0.130.0030.00313.30
8.0.120.0050.00316.81
8.0.110.0000.00816.87
8.0.100.0030.00516.82
8.0.90.0030.00316.78
8.0.80.0120.00916.85
8.0.70.0070.00016.91
8.0.60.0040.00416.99
8.0.50.0000.00716.95
8.0.30.0080.00717.10
8.0.20.0250.01217.40
8.0.10.0000.00817.07
8.0.00.0080.01016.79
7.4.330.0050.00015.09
7.4.320.0030.00316.49
7.4.300.0000.00716.59
7.4.290.0080.00016.57
7.4.280.0050.00616.60
7.4.270.0000.00716.51
7.4.260.0000.00816.56
7.4.250.0030.00516.40
7.4.240.0010.00616.58
7.4.230.0070.00016.38
7.4.220.0070.01416.39
7.4.210.0070.00916.51
7.4.200.0020.00416.67
7.4.160.0030.01816.57
7.4.150.0140.00717.40
7.4.140.0080.01117.86
7.4.130.0110.00816.49
7.4.120.0100.00616.50
7.4.110.0070.01116.40
7.4.100.0130.00916.57
7.4.90.0170.00016.54
7.4.80.0090.00916.51
7.4.70.0030.01316.57
7.4.60.0110.00716.38
7.4.50.0030.00516.29
7.4.40.0080.00816.57
7.4.30.0170.00616.52
7.4.00.0100.00614.95
7.3.330.0000.00612.99
7.3.320.0140.00013.23
7.3.310.0040.00416.25
7.3.300.0030.00316.21
7.3.290.0000.00716.28
7.3.280.0120.00516.25
7.3.270.0120.00617.40
7.3.260.0110.00716.54
7.3.250.0110.00916.38
7.3.240.0160.00716.26
7.3.230.0030.01316.39
7.3.210.0070.01016.46
7.3.200.0060.01219.39
7.3.190.0080.00816.18
7.3.180.0080.01216.54
7.3.170.0130.00516.30
7.3.160.0090.00816.26
7.3.120.0060.00915.02
7.3.110.0030.01014.96
7.3.100.0070.00314.88
7.3.90.0030.01014.82
7.3.80.0070.00715.18
7.3.70.0030.01414.86
7.3.60.0070.00314.76
7.3.50.0070.00414.52
7.3.40.0000.01214.61
7.3.30.0070.00714.75
7.3.20.0150.00316.63
7.3.10.0050.00816.62
7.3.00.0040.00716.62
7.2.330.0140.00416.59
7.2.320.0030.01316.59
7.2.310.0030.01416.45
7.2.300.0080.00916.58
7.2.290.0030.01416.77
7.2.240.0080.00415.00
7.2.230.0060.00914.94
7.2.220.0060.00814.74
7.2.210.0070.01015.31
7.2.200.0060.00915.05
7.2.190.0100.00615.18
7.2.180.0030.01415.16
7.2.170.0040.01414.95
7.2.160.0100.00715.05
7.2.150.0060.00916.94
7.2.140.0110.00616.71
7.2.130.0040.01216.84
7.2.120.0050.00816.95
7.2.110.0080.00516.86
7.2.100.0060.00716.69
7.2.90.0100.00716.78
7.2.80.0070.01116.84
7.2.70.0050.00916.85
7.2.60.0060.01116.91
7.2.50.0080.00516.86
7.2.40.0050.00717.02
7.2.30.0080.00816.79
7.2.20.0080.00816.77
7.2.10.0060.00617.00
7.2.00.0060.01017.68
7.1.330.0000.01015.64
7.1.320.0030.01015.58
7.1.310.0060.00316.00
7.1.300.0060.01015.55
7.1.290.0110.00415.85
7.1.280.0000.01515.67
7.1.270.0080.00415.46
7.1.260.0060.00915.81
7.1.250.0070.00715.61
7.1.200.0000.01515.59
7.1.100.0070.00717.78
7.1.70.0060.00917.24
7.1.60.0140.01019.46
7.1.50.0090.01216.84
7.1.00.0000.08022.37
7.0.200.0000.00716.80
7.0.140.0030.03721.96
7.0.60.0130.08019.97
7.0.50.0170.07017.82
7.0.40.0100.04020.23
7.0.30.0200.03720.04
7.0.20.0400.07319.99
7.0.10.0070.04020.18
7.0.00.0030.08320.17
5.6.280.0100.06720.86
5.6.210.0070.08020.60
5.6.200.0070.04718.17
5.6.190.0000.09320.43
5.6.180.0470.06720.46
5.6.170.0270.07320.52
5.6.160.0030.09020.51
5.6.150.0030.08318.14
5.6.140.0030.04018.18
5.6.130.0030.05018.10
5.6.120.0070.03721.08
5.6.110.0130.07720.98
5.6.100.0070.06021.10
5.6.90.0000.08021.00
5.6.80.0130.07320.39
5.5.350.0370.06720.40
5.5.340.0030.04017.96
5.5.330.0070.05320.27
5.5.320.0070.04020.13
5.5.310.0400.07020.24
5.5.300.0100.07018.00
5.5.290.0030.04017.92
5.5.280.0130.08020.79
5.5.270.0000.09720.66
5.5.260.0100.08020.84
5.5.250.0030.08020.68
5.5.240.0400.06720.23
5.4.450.0600.05719.48
5.4.440.0830.06719.47
5.4.430.0770.05719.62
5.4.420.1230.04319.46
5.4.410.0730.06019.42
5.4.400.1100.04719.16
5.4.390.0130.06018.72
5.4.380.0100.06718.72
5.4.370.0130.05318.52
5.4.360.0130.05318.60
5.4.350.0130.06018.72
5.4.340.0170.06718.46
5.4.320.0200.06718.77
5.4.310.0300.06018.79
5.4.300.0170.06018.62
5.4.290.0200.05718.52
5.4.280.0170.05718.71
5.4.270.0100.06018.79
5.4.260.0100.06718.67
5.4.250.0270.05318.62
5.4.240.0170.06718.46
5.4.230.0200.06018.61
5.4.220.0170.07318.49
5.4.210.0200.07018.64
5.4.200.0230.06316.66
5.4.190.0230.07018.61
5.4.180.0200.07018.72
5.4.170.0130.08018.45
5.4.160.0130.07718.50
5.4.150.0170.07018.70
5.4.140.0130.07316.23
5.4.130.0200.05316.32
5.4.120.0200.05716.09
5.4.110.0200.06316.25
5.4.100.0230.06716.30
5.4.90.0130.06016.06
5.4.80.0230.05716.18
5.4.70.0230.06016.17
5.4.60.0130.05316.13
5.4.50.0230.05716.14
5.4.40.0200.04716.22
5.4.30.0170.06316.16
5.4.20.0200.07316.27
5.4.10.0100.07316.22
5.4.00.0130.05715.50
5.3.290.0230.06714.58
5.3.280.0230.06714.57
5.3.270.0100.08314.58
5.3.260.0200.07314.60
5.3.250.0130.08014.52
5.3.240.0230.06714.66
5.3.230.0100.06014.51
5.3.220.0270.05714.54
5.3.210.0100.06014.52
5.3.200.0100.05714.66
5.3.190.0130.05714.60
5.3.180.0070.06014.66
5.3.170.0170.05014.57
5.3.160.0170.05314.48
5.3.150.0100.07314.49
5.3.140.0100.05714.50
5.3.130.0200.05314.52
5.3.120.0130.06314.60
5.3.110.0170.05314.58
5.3.100.0200.05013.95
5.3.90.0070.06313.91
5.3.80.0130.05713.94
5.3.70.0170.04714.09
5.3.60.0100.06714.03
5.3.50.0130.05014.02
5.3.40.0170.06714.04
5.3.30.0130.05013.85
5.3.20.0130.05013.74
5.3.10.0170.06713.59
5.3.00.0170.07013.55
5.2.170.0200.03711.28
5.2.160.0200.05011.27
5.2.150.0170.05011.28
5.2.140.0130.04011.19
5.2.130.0170.04311.03
5.2.120.0100.05711.26
5.2.110.0170.05011.14
5.2.100.0100.04311.07
5.2.90.0100.05311.24
5.2.80.0200.04711.13
5.2.70.0170.05311.05
5.2.60.0000.05311.10
5.2.50.0030.05311.07
5.2.40.0100.05011.03
5.2.30.0130.04010.89
5.2.20.0070.04310.92
5.2.10.0200.04310.99
5.2.00.0270.03710.75
5.1.60.0100.0339.99
5.1.50.0070.0439.95
5.1.40.0130.03010.11
5.1.30.0170.04010.47
5.1.20.0170.04710.42
5.1.10.0230.03710.14
5.1.00.0200.04010.08
5.0.50.0100.0238.58
5.0.40.0070.0378.41
5.0.30.0030.0478.24
5.0.20.0070.0278.28
5.0.10.0000.0338.29
5.0.00.0070.0538.19
4.4.90.0030.0305.95
4.4.80.0070.0275.88
4.4.70.0030.0305.82
4.4.60.0030.0235.91
4.4.50.0030.0235.88
4.4.40.0070.0335.86
4.4.30.0000.0275.85
4.4.20.0030.0235.95
4.4.10.0100.0176.00
4.4.00.0070.0435.95
4.3.110.0000.0335.79
4.3.100.0070.0275.80
4.3.90.0070.0275.86
4.3.80.0070.0305.78
4.3.70.0000.0235.91
4.3.60.0070.0175.80
4.3.50.0030.0235.78
4.3.40.0000.0375.76
4.3.30.0000.0304.87
4.3.20.0030.0234.87
4.3.10.0000.0234.87
4.3.00.0170.01714.62

preferences:
70.36 ms | 401 KiB | 5 Q