3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 1 => [ 'a' => 'anna', 'b' => 'bob' ], 2 => [ 'c' => 'carol', 'd' => 'david' ] ]; $iterator = new \RecursiveIteratorIterator( new \RecursiveArrayIterator($array, 2) ); 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)
8.3.60.0160.00316.63
8.3.50.0120.00522.04
8.3.40.0090.00918.54
8.3.30.0030.01018.89
8.3.20.0040.00420.35
8.3.10.0000.00721.95
8.3.00.0040.00420.94
8.2.180.0080.00818.12
8.2.170.0040.01122.96
8.2.160.0060.01322.30
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0080.00019.66
8.2.110.0030.00622.17
8.2.100.0090.00317.50
8.2.90.0000.00819.23
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0000.00917.80
8.2.50.0030.00618.07
8.2.40.0000.00919.95
8.2.30.0000.00718.07
8.2.20.0050.00317.57
8.2.10.0050.00318.13
8.2.00.0070.00017.73
8.1.280.0140.00425.92
8.1.270.0040.00418.87
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0190.00324.06
8.1.230.0070.00419.10
8.1.220.0000.00917.78
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0050.00317.22
8.1.180.0060.00318.10
8.1.170.0080.00018.64
8.1.160.0030.00522.02
8.1.150.0000.00818.90
8.1.140.0050.00319.23
8.1.130.0000.00717.75
8.1.120.0070.00017.39
8.1.110.0090.00017.32
8.1.100.0000.00817.53
8.1.90.0040.00417.50
8.1.80.0040.00417.51
8.1.70.0000.00817.46
8.1.60.0040.00417.56
8.1.50.0000.00817.52
8.1.40.0050.00317.53
8.1.30.0030.00517.69
8.1.20.0000.00917.60
8.1.10.0080.00017.59
8.1.00.0000.00817.40
8.0.300.0000.00918.77
8.0.290.0000.00816.75
8.0.280.0070.00018.35
8.0.270.0030.00317.28
8.0.260.0000.00717.28
8.0.250.0000.00716.98
8.0.240.0030.00517.00
8.0.230.0030.00316.88
8.0.220.0000.00716.88
8.0.210.0070.00016.81
8.0.200.0030.00316.83
8.0.190.0030.00316.95
8.0.180.0070.00016.96
8.0.170.0030.00316.88
8.0.160.0000.00716.98
8.0.150.0080.00016.95
8.0.140.0000.00716.86
8.0.130.0030.00313.29
8.0.120.0040.00416.90
8.0.110.0040.00416.82
8.0.100.0050.00216.72
8.0.90.0080.00016.77
8.0.80.0060.00916.82
8.0.70.0000.00716.78
8.0.60.0040.00416.73
8.0.50.0040.00416.80
8.0.30.0080.01416.97
8.0.20.0100.01517.40
8.0.10.0030.00516.84
8.0.00.0100.00816.86
7.4.330.0030.00315.03
7.4.320.0000.00616.66
7.4.300.0030.00316.62
7.4.290.0070.00016.60
7.4.280.0000.01016.63
7.4.270.0060.00016.54
7.4.260.0070.00016.55
7.4.250.0070.00016.55
7.4.240.0020.00516.62
7.4.230.0000.00716.55
7.4.220.0080.01616.61
7.4.210.0120.00316.50
7.4.200.0000.00716.61
7.4.160.0150.00416.35
7.4.150.0230.01617.40
7.4.140.0070.01217.86
7.4.130.0110.00816.47
7.4.120.0120.00916.54
7.4.110.0100.00716.59
7.4.100.0120.00616.35
7.4.90.0060.01216.53
7.4.80.0100.00716.68
7.4.70.0130.00916.21
7.4.60.0080.00816.55
7.4.50.0030.00616.52
7.4.40.0100.01016.30
7.4.30.0070.01116.50
7.4.00.0090.00615.02
7.3.330.0020.00213.14
7.3.320.0130.00013.13
7.3.310.0030.00316.23
7.3.300.0040.00416.23
7.3.290.0030.01116.27
7.3.280.0090.00816.25
7.3.270.0070.01017.40
7.3.260.0120.00916.18
7.3.250.0170.00516.42
7.3.240.0090.00916.56
7.3.230.0170.00716.49
7.3.210.0130.00316.66
7.3.200.0150.00819.39
7.3.190.0030.01416.32
7.3.180.0060.01616.48
7.3.170.0040.01516.65
7.3.160.0060.01416.41
7.2.330.0060.01616.73
7.2.320.0060.01016.48
7.2.310.0110.00616.40
7.2.300.0100.00616.74
7.2.290.0030.01516.41
7.2.60.0030.01016.61
7.2.50.0110.00016.88
7.1.200.0060.00915.91
7.1.70.0070.00717.00
7.1.60.0120.01219.46
7.1.50.0100.01016.69
7.1.00.0000.07722.27
7.0.200.0040.00416.73
7.0.140.0000.04321.96
7.0.60.0070.07719.89
7.0.50.0030.08317.81
7.0.40.0170.08019.99
7.0.30.0470.07720.04
7.0.20.0130.05320.11
7.0.10.0170.07720.18
7.0.00.0170.07320.16
5.6.280.0000.07720.81
5.6.210.0130.07720.59
5.6.200.0070.04018.16
5.6.190.0070.07020.27
5.6.180.0200.05320.35
5.6.170.0230.04020.54
5.6.160.0030.04320.34
5.6.150.0070.05018.20
5.6.140.0030.05318.21
5.6.130.0070.08018.07
5.6.120.0100.07721.02
5.6.110.0030.08321.00
5.6.100.0070.07321.10
5.6.90.0170.05721.00
5.6.80.0100.03020.40
5.6.70.4330.03720.39
5.5.350.0030.04320.42
5.5.340.0100.07317.91
5.5.330.0000.05020.21
5.5.320.0200.06320.39
5.5.310.0230.04720.29
5.5.300.0070.07318.01
5.5.290.0130.03317.96
5.5.280.0030.05020.82
5.5.270.0130.07020.63
5.5.260.0070.05720.75
5.5.250.0130.08720.50
5.5.240.0330.07020.26
5.4.450.0670.07719.48
5.4.440.1130.05719.13
5.4.430.0630.06319.63
5.4.420.0730.05319.26
5.4.410.0930.04719.11
5.4.400.1030.07019.32
5.4.390.0130.05018.50
5.4.380.0070.06018.59
5.4.370.0230.04718.66
5.4.360.0170.06318.72
5.4.350.0100.06018.68
5.4.340.0070.06018.72
5.4.320.0330.06318.58
5.4.310.0200.05018.68
5.4.300.0130.06318.64
5.4.290.0130.06718.53
5.4.280.0200.05018.69
5.4.270.0070.06318.68
5.4.260.0200.05018.45
5.4.250.0230.05318.59
5.4.240.0200.05718.50
5.4.230.0100.06018.64
5.4.220.0100.06018.72
5.4.210.0130.06318.70
5.4.200.0200.05316.50
5.4.190.0070.06018.52
5.4.180.0130.05318.75
5.4.170.0130.06018.68
5.4.160.0130.05718.48
5.4.150.0200.05018.72
5.4.140.0100.07716.07
5.4.130.0200.06016.05
5.4.120.0170.06716.26
5.4.110.0130.06316.16
5.4.100.0100.07316.12
5.4.90.0270.07316.06
5.4.80.0230.06716.11
5.4.70.0200.05016.24
5.4.60.0200.04316.22
5.4.50.0170.05016.12
5.4.40.0130.05316.05
5.4.30.0130.06316.03
5.4.20.0230.06316.05
5.4.10.0270.03716.03
5.4.00.0030.06315.67
5.3.290.0200.05314.66
5.3.280.0230.04714.60
5.3.270.0100.06014.59
5.3.260.0070.07014.59
5.3.250.0130.05314.59
5.3.240.0170.05014.71
5.3.230.0100.06014.58
5.3.220.0170.05314.50
5.3.210.0200.06014.56
5.3.200.0130.05314.53
5.3.190.0130.07014.52
5.3.180.0130.06014.48
5.3.170.0200.05014.58
5.3.160.0200.04714.57
5.3.150.0130.05714.48
5.3.140.0200.04314.56
5.3.130.0070.06714.62
5.3.120.0200.06714.53
5.3.110.0130.05714.45
5.3.100.0130.05314.07
5.3.90.0170.05014.00
5.3.80.0300.05014.00
5.3.70.0300.05313.99
5.3.60.0200.06013.93
5.3.50.0170.06013.86
5.3.40.0200.05013.92
5.3.30.0100.06013.90
5.3.20.0170.05013.58
5.3.10.0100.05713.65
5.3.00.0170.05313.59
5.2.170.0100.04311.06
5.2.160.0170.03311.20
5.2.150.0130.04011.13
5.2.140.0070.04711.09
5.2.130.0100.05311.23
5.2.120.0070.04311.05
5.2.110.0170.03711.25
5.2.100.0130.05311.26
5.2.90.0130.05311.16
5.2.80.0170.04011.15
5.2.70.0170.04011.07
5.2.60.0130.04010.99
5.2.50.0070.04710.98
5.2.40.0130.03710.92
5.2.30.0070.06010.97
5.2.20.0170.05010.92
5.2.10.0030.04310.81
5.2.00.0200.03310.77
5.1.60.0170.0309.97
5.1.50.0130.03310.10
5.1.40.0100.0339.95
5.1.30.0070.04010.45
5.1.20.0100.03710.38
5.1.10.0070.04010.18
5.1.00.0070.03710.12
5.0.50.0130.0278.65
5.0.40.0130.0208.53
5.0.30.0030.0478.25
5.0.20.0130.0238.28
5.0.10.0100.0238.14
5.0.00.0070.0438.22
4.4.90.0070.0235.92
4.4.80.0070.0205.94
4.4.70.0030.0235.94
4.4.60.0070.0205.88
4.4.50.0070.0205.92
4.4.40.0070.0335.91
4.4.30.0070.0205.88
4.4.20.0030.0275.95
4.4.10.0130.0176.01
4.4.00.0130.0305.90
4.3.110.0030.0235.84
4.3.100.0030.0235.85
4.3.90.0070.0205.77
4.3.80.0070.0435.88
4.3.70.0030.0235.80
4.3.60.0100.0205.82
4.3.50.0130.0235.79
4.3.40.0070.0335.73
4.3.30.0000.0274.75
4.3.20.0100.0204.75
4.3.10.0030.0204.75
4.3.00.0400.02714.62

preferences:
47.24 ms | 401 KiB | 5 Q