3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrays = array( array('one', 1 => 'two', 2 => 'three' ), array('four', 1 => 'five', 2 => 'six' ), array('seven', 1 => 'eight', 2 => 'nine' ), ); print_r(new RecursiveIteratorIterator(new RecursiveArrayIterator($arrays)));

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)
8.3.60.0150.00018.18
8.3.50.0030.01319.74
8.3.40.0110.00418.46
8.3.30.0070.00718.75
8.3.20.0040.00420.21
8.3.10.0080.00023.58
8.3.00.0040.00419.24
8.2.180.0140.00416.50
8.2.170.0140.00022.96
8.2.160.0130.01020.29
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0000.00821.11
8.2.110.0070.00319.25
8.2.100.0060.00617.78
8.2.90.0040.00419.08
8.2.80.0060.00317.97
8.2.70.0030.00517.80
8.2.60.0080.00017.93
8.2.50.0060.00618.10
8.2.40.0070.00020.50
8.2.30.0000.00717.86
8.2.20.0000.00817.48
8.2.10.0080.00017.97
8.2.00.0000.00717.59
8.1.270.0090.00023.76
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0170.00020.81
8.1.230.0000.01117.71
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0000.00817.23
8.1.190.0040.00417.10
8.1.180.0000.00918.10
8.1.170.0030.00518.27
8.1.160.0030.00322.18
8.1.150.0040.00418.87
8.1.140.0000.00717.41
8.1.130.0070.00017.82
8.1.120.0000.00717.37
8.1.110.0030.00417.45
8.1.100.0040.00417.40
8.1.90.0000.00717.41
8.1.80.0070.00017.27
8.1.70.0030.00317.27
8.1.60.0050.00317.54
8.1.50.0050.00317.41
8.1.40.0000.00717.28
8.1.30.0040.00417.56
8.1.20.0040.00417.46
8.1.10.0000.00817.46
8.1.00.0000.00817.45
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.37
8.0.270.0050.00317.09
8.0.260.0060.00017.23
8.0.250.0000.00616.79
8.0.240.0040.00416.85
8.0.230.0030.00316.75
8.0.220.0030.00316.69
8.0.210.0050.00316.67
8.0.200.0000.00716.91
8.0.190.0000.00716.78
8.0.180.0040.00416.73
8.0.170.0040.00416.91
8.0.160.0040.00416.67
8.0.150.0080.00016.75
8.0.140.0000.00716.78
8.0.130.0060.00013.18
8.0.120.0000.00816.77
8.0.110.0040.00416.77
8.0.100.0050.00216.77
8.0.90.0000.00816.80
8.0.80.0130.00516.69
8.0.70.0000.00716.65
8.0.60.0000.00716.64
8.0.50.0040.00416.80
8.0.30.0130.00916.96
8.0.20.0130.00617.40
8.0.10.0000.00817.05
8.0.00.0120.00816.56
7.4.330.0000.00515.04
7.4.320.0030.00316.50
7.4.300.0000.00716.59
7.4.290.0070.00016.32
7.4.280.0040.00416.52
7.4.270.0070.00016.45
7.4.260.0040.00416.43
7.4.250.0080.00016.28
7.4.240.0020.00616.47
7.4.230.0030.00316.36
7.4.220.0140.00416.46
7.4.210.0060.01216.38
7.4.200.0030.00316.22
7.4.160.0090.00616.61
7.4.150.0140.00517.40
7.4.140.0100.00717.86
7.4.130.0080.00816.34
7.4.120.0120.00416.39
7.4.110.0130.00316.48
7.4.100.0130.00416.56
7.4.90.0170.00016.49
7.4.80.0040.01819.39
7.4.70.0110.00516.39
7.4.60.0040.01516.43
7.4.50.0040.00016.43
7.4.40.0140.00316.22
7.4.30.0030.01216.31
7.4.00.0090.00914.83
7.3.330.0050.00013.04
7.3.320.0060.00013.11
7.3.310.0030.00316.00
7.3.300.0000.00716.13
7.3.290.0150.00616.10
7.3.280.0070.01016.14
7.3.270.0060.01117.40
7.3.260.0150.00916.38
7.3.250.0130.00316.23
7.3.240.0130.00916.29
7.3.230.0140.00316.39
7.3.210.0130.00416.11
7.3.200.0000.01519.39
7.3.190.0160.01316.46
7.3.180.0090.00616.17
7.3.170.0080.00816.27
7.3.160.0030.01316.07
7.3.120.0070.01014.64
7.3.110.0080.00514.61
7.3.100.0100.00314.45
7.3.90.0040.00414.25
7.3.80.0000.00914.43
7.3.70.0000.01114.81
7.3.60.0000.01414.72
7.3.50.0000.00914.57
7.3.40.0000.01414.68
7.3.30.0070.00414.81
7.3.20.0000.00916.26
7.3.10.0040.00816.34
7.3.00.0030.01016.71
7.2.330.0190.00316.57
7.2.320.0080.00816.48
7.2.310.0030.01516.28
7.2.300.0150.00416.17
7.2.290.0160.00016.60
7.2.250.0060.01114.95
7.2.240.0070.01114.70
7.2.230.0030.01414.79
7.2.220.0090.00314.74
7.2.210.0070.01114.72
7.2.200.0150.00014.91
7.2.190.0040.01114.70
7.2.180.0030.00914.74
7.2.170.0130.00714.85
7.2.110.0000.01416.67
7.2.00.0070.00719.36
7.1.330.0130.00315.76
7.1.320.0110.00415.80
7.1.310.0000.00915.75
7.1.300.0040.00415.68
7.1.290.0040.01215.74
7.1.280.0070.01115.65
7.1.270.0030.00915.62
7.1.260.0070.00715.65
7.1.100.0230.00817.68
7.1.70.0040.00417.26
7.1.60.0140.01019.46
7.1.50.0140.01016.91
7.1.00.0100.07022.36
7.0.200.0000.00716.71
7.0.140.0000.07722.13
7.0.60.0030.04019.94
7.0.50.0030.07017.79
7.0.40.0100.06320.30
7.0.30.0170.04320.18
7.0.20.0230.08320.23
7.0.10.0030.07320.30
7.0.00.0070.03720.16
5.6.280.0070.07020.77
5.6.210.0000.04720.47
5.6.200.0030.04318.22
5.6.190.0100.08720.27
5.6.180.0170.04320.45
5.6.170.0230.04320.60
5.6.160.0130.07720.54
5.6.150.0070.04318.18
5.6.140.0070.06018.15
5.6.130.0170.06718.12
5.6.120.0100.06321.02
5.6.110.0170.06321.11
5.6.100.0000.04321.12
5.6.90.0070.06021.03
5.6.80.0030.04320.40
5.6.70.4130.03720.48
5.5.350.0170.08020.49
5.5.340.0070.05017.88
5.5.330.0100.07320.29
5.5.320.0070.03720.17
5.5.310.0230.07320.23
5.5.300.0030.06317.91
5.5.290.0070.08017.88
5.5.280.0070.07020.80
5.5.270.0030.06020.95
5.5.260.0100.08320.67
5.5.250.0070.03720.68
5.5.240.0170.08020.25
5.4.450.0300.04019.13
5.4.440.0230.05019.13
5.4.430.0330.04019.38
5.4.420.0270.04019.41
5.4.410.0130.04319.13
5.4.400.0330.03719.07
5.4.390.0230.03718.80
5.4.380.0370.05718.53
5.4.370.0270.06018.67
5.4.360.0300.05718.71
5.4.350.0500.04718.71
5.4.340.0730.09018.62
5.4.320.0070.03312.45
5.4.310.0090.03412.45
5.4.300.0100.03212.46
5.4.290.0060.03712.45
5.4.280.0080.03212.35
5.4.270.0040.03912.35
5.4.260.0040.04312.35
5.4.250.0040.03812.35
5.4.240.0020.03912.35
5.4.230.0040.03912.34
5.4.220.0080.03812.34
5.4.210.0060.04112.34
5.4.200.0030.04712.34
5.4.190.0070.05212.34
5.4.180.0110.03412.34
5.4.170.0090.03212.35
5.4.160.0060.03512.34
5.4.150.0060.03612.34
5.4.140.0030.03812.02
5.4.130.0060.04012.01
5.4.120.0060.03911.97
5.4.110.0090.04411.96
5.4.100.0090.03511.96
5.4.90.0050.04311.96
5.4.80.0050.04211.97
5.4.70.0120.03911.96
5.4.60.0080.03711.96
5.4.50.0060.03411.96
5.4.40.0030.03611.95
5.4.30.0060.03611.95
5.4.20.0050.03911.95
5.4.10.0070.04311.95
5.4.00.0030.03811.44
5.3.290.0040.04112.80
5.3.280.0080.03512.71
5.3.270.0020.04112.72
5.3.260.0060.03812.72
5.3.250.0080.03612.72
5.3.240.0070.04012.72
5.3.230.0120.03812.71
5.3.220.0080.03712.68
5.3.210.0080.04312.68
5.3.200.0100.03612.68
5.3.190.0050.03912.68
5.3.180.0090.03312.67
5.3.170.0080.04412.67
5.3.160.0090.03812.68
5.3.150.0110.04112.67
5.3.140.0080.03812.66
5.3.130.0050.04312.66
5.3.120.0090.03812.66
5.3.110.0090.04412.66
5.3.100.0080.03612.12
5.3.90.0040.04112.08
5.3.80.0050.04012.07
5.3.70.0050.04012.07
5.3.60.0050.04412.07
5.3.50.0090.03812.00
5.3.40.0040.03712.00
5.3.30.0070.03211.94
5.3.20.0050.03511.73
5.3.10.0040.04111.69
5.3.00.0060.04011.68
5.2.170.0070.0289.18
5.2.160.0040.0299.18
5.2.150.0040.0319.18
5.2.140.0050.0309.17
5.2.130.0070.0349.14
5.2.120.0080.0309.14
5.2.110.0070.0339.14
5.2.100.0070.0279.14
5.2.90.0050.0289.14
5.2.80.0050.0309.13
5.2.70.0070.0349.13
5.2.60.0040.0329.09
5.2.50.0060.0339.05
5.2.40.0030.0319.03
5.2.30.0080.0269.01
5.2.20.0050.0309.00
5.2.10.0060.0278.92
5.2.00.0080.0278.77
5.1.60.0080.0208.06
5.1.50.0040.0258.05
5.1.40.0050.0238.04
5.1.30.0060.0268.39
5.1.20.0070.0298.41
5.1.10.0060.0298.14
5.1.00.0050.0278.14
5.0.50.0020.0226.62
5.0.40.0050.0186.48
5.0.30.0040.0316.29
5.0.20.0030.0266.26
5.0.10.0030.0216.24
5.0.00.0050.0296.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0030.0214.76
4.4.60.0030.0204.75
4.4.50.0030.0154.77
4.4.40.0020.0274.71
4.4.30.0040.0224.76
4.4.20.0020.0274.85
4.4.10.0030.0164.85
4.4.00.0070.0254.76
4.3.110.0030.0154.67
4.3.100.0060.0144.67
4.3.90.0050.0284.64
4.3.80.0080.0284.59
4.3.70.0020.0224.63
4.3.60.0020.0194.63
4.3.50.0040.0204.63
4.3.40.0040.0264.54
4.3.30.0050.0173.28
4.3.20.0030.0183.26
4.3.10.0020.0253.21
4.3.00.0000.01318.23

preferences:
41.59 ms | 400 KiB | 5 Q