3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrays = array( array('one', 1 => 'two', 2 => 'three' ), array('four', 1 => 'five', 2 => 'six' ), array('seven', 1 => 'eight', 2 => 'nine' ), ); print_r((array) new RecursiveIteratorIterator(new RecursiveArrayIterator($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)
8.3.60.0110.00418.43
8.3.50.0070.01222.85
8.3.40.0090.00618.53
8.3.30.0030.01018.79
8.3.20.0040.00420.21
8.3.10.0040.00423.48
8.3.00.0060.00319.13
8.2.180.0200.00016.50
8.2.170.0090.00622.96
8.2.160.0130.01020.30
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0070.00021.02
8.2.110.0090.00020.51
8.2.100.0110.00017.97
8.2.90.0040.00419.13
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00717.91
8.2.50.0040.00418.07
8.2.40.0070.00018.03
8.2.30.0000.00717.84
8.2.20.0000.00817.51
8.2.10.0040.00417.86
8.2.00.0040.00417.67
8.1.280.0150.00025.92
8.1.270.0050.00523.77
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00022.25
8.1.230.0050.00518.82
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.10
8.1.190.0080.00017.13
8.1.180.0030.00518.10
8.1.170.0070.00318.56
8.1.160.0030.00521.93
8.1.150.0000.00718.79
8.1.140.0040.00417.31
8.1.130.0030.00317.86
8.1.120.0000.00817.38
8.1.110.0040.00417.44
8.1.100.0050.00217.45
8.1.90.0000.00717.40
8.1.80.0000.00717.29
8.1.70.0030.00317.38
8.1.60.0090.00017.48
8.1.50.0040.00417.41
8.1.40.0040.00417.46
8.1.30.0040.00417.61
8.1.20.0000.00717.49
8.1.10.0040.00417.36
8.1.00.0040.00417.39
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0080.00018.29
8.0.270.0000.00817.05
8.0.260.0030.00317.09
8.0.250.0000.00616.86
8.0.240.0000.00816.90
8.0.230.0000.00716.84
8.0.220.0000.00716.73
8.0.210.0070.00016.74
8.0.200.0000.00616.91
8.0.190.0000.00716.92
8.0.180.0030.00316.74
8.0.170.0020.00516.81
8.0.160.0030.00316.81
8.0.150.0040.00416.73
8.0.140.0020.00516.85
8.0.130.0070.00013.28
8.0.120.0040.00416.79
8.0.110.0000.00716.82
8.0.100.0000.00716.75
8.0.90.0000.00716.82
8.0.80.0080.00816.70
8.0.70.0040.00416.84
8.0.60.0050.00216.61
8.0.50.0040.00416.80
8.0.30.0160.01016.96
8.0.20.0080.01317.40
8.0.10.0040.00416.87
8.0.00.0120.00716.64
7.4.330.0050.00015.09
7.4.320.0030.00316.59
7.4.300.0030.00316.47
7.4.290.0000.00716.39
7.4.280.0050.00316.56
7.4.270.0000.00716.48
7.4.260.0000.00716.49
7.4.250.0080.00016.45
7.4.240.0060.00216.41
7.4.230.0070.00016.66
7.4.220.0060.01216.43
7.4.210.0090.00616.44
7.4.200.0070.00016.53
7.4.160.0120.00316.46
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0090.00816.50
7.4.120.0080.01116.48
7.4.110.0070.01016.45
7.4.100.0090.01216.50
7.4.90.0130.00316.46
7.4.80.0090.00919.39
7.4.70.0080.00816.37
7.4.60.0060.01216.29
7.4.50.0000.00816.41
7.4.40.0100.00716.74
7.4.30.0060.00916.53
7.4.00.0000.01614.67
7.3.330.0000.00513.05
7.3.320.0030.00312.92
7.3.310.0000.00716.09
7.3.300.0000.00716.18
7.3.290.0060.00916.30
7.3.280.0020.01316.22
7.3.270.0150.00317.40
7.3.260.0140.00416.42
7.3.250.0080.00916.34
7.3.240.0100.01016.24
7.3.230.0050.01316.39
7.3.210.0180.00616.41
7.3.200.0210.00019.39
7.3.190.0110.01116.54
7.3.180.0030.01216.19
7.3.170.0120.00316.27
7.3.160.0130.00316.21
7.2.330.0090.00916.34
7.2.320.0060.01216.26
7.2.310.0060.01216.45
7.2.300.0060.01116.62
7.2.290.0120.00416.67
7.2.00.0030.01019.33
7.1.100.0300.00317.43
7.1.70.0000.00917.02
7.1.60.0090.01619.46
7.1.50.0070.01416.91
7.1.00.0030.07722.41
7.0.200.0040.00416.69
7.0.140.0000.07722.09
7.0.60.0130.07021.77
7.0.50.0070.08317.91
7.0.40.0000.05020.21
7.0.30.0430.04720.17
7.0.20.0270.05320.16
7.0.10.0100.08320.16
7.0.00.0100.04020.16
5.6.280.0070.07020.86
5.6.210.0170.07020.56
5.6.200.0030.04318.18
5.6.190.0070.04020.60
5.6.180.0370.07720.36
5.6.170.0330.05320.51
5.6.160.0130.08020.50
5.6.150.0070.07018.13
5.6.140.0070.06318.09
5.6.130.0030.08318.21
5.6.120.0000.07321.14
5.6.110.0030.06021.00
5.6.100.0130.07021.10
5.6.90.0200.07020.88
5.6.80.0130.04720.54
5.5.350.0100.07720.37
5.5.340.0030.06017.98
5.5.330.0070.06020.21
5.5.320.0000.08320.34
5.5.310.0130.05020.30
5.5.300.0070.08317.90
5.5.290.0070.05017.91
5.5.280.0030.08720.96
5.5.270.0030.06320.68
5.5.260.0030.08020.67
5.5.250.0030.07720.57
5.5.240.0270.07320.06
5.4.450.0130.03319.42
5.4.440.0830.04019.43
5.4.430.0130.04719.20
5.4.420.0300.04319.48
5.4.410.0070.05019.45
5.4.400.0300.03318.81
5.4.390.0170.03018.88
5.4.380.0200.06318.68
5.4.370.0470.05718.61
5.4.360.0400.06718.68
5.4.350.0370.05018.50
5.4.340.0330.06018.64
5.4.320.0070.03412.45
5.4.310.0030.03912.45
5.4.300.0030.04012.46
5.4.290.0070.04212.45
5.4.280.0060.03612.35
5.4.270.0080.04512.35
5.4.260.0040.04512.35
5.4.250.0040.04112.35
5.4.240.0090.03712.35
5.4.230.0060.04012.34
5.4.220.0100.03412.34
5.4.210.0080.03212.34
5.4.200.0060.04212.34
5.4.190.0020.03912.34
5.4.180.0060.03412.34
5.4.170.0040.03612.35
5.4.160.0040.03712.35
5.4.150.0050.03612.34
5.4.140.0070.03412.03
5.4.130.0080.03212.01
5.4.120.0050.03411.97
5.4.110.0070.03311.97
5.4.100.0070.03211.96
5.4.90.0070.03511.96
5.4.80.0060.03611.96
5.4.70.0080.04111.96
5.4.60.0060.03711.96
5.4.50.0070.03411.96
5.4.40.0080.03211.96
5.4.30.0060.03511.95
5.4.20.0020.03811.95
5.4.10.0040.03611.95
5.4.00.0040.03711.44
5.3.290.0050.03812.80
5.3.280.0090.03412.71
5.3.270.0050.03912.72
5.3.260.0060.03912.72
5.3.250.0090.03312.72
5.3.240.0110.03112.72
5.3.230.0060.03712.71
5.3.220.0050.03812.68
5.3.210.0070.03812.68
5.3.200.0040.04312.68
5.3.190.0050.03712.68
5.3.180.0050.03612.68
5.3.170.0040.03712.66
5.3.160.0060.03512.67
5.3.150.0070.04212.67
5.3.140.0040.03712.66
5.3.130.0050.03912.66
5.3.120.0030.04112.66
5.3.110.0040.04212.66
5.3.100.0060.04412.12
5.3.90.0040.04212.08
5.3.80.0030.04612.07
5.3.70.0110.03212.07
5.3.60.0050.03612.07
5.3.50.0040.03712.00
5.3.40.0030.04012.00
5.3.30.0050.03911.94
5.3.20.0030.03811.72
5.3.10.0060.03411.69
5.3.00.0040.03811.68
5.2.170.0020.0339.18
5.2.160.0040.0359.18
5.2.150.0050.0299.18
5.2.140.0070.0279.17
5.2.130.0050.0279.13
5.2.120.0030.0299.14
5.2.110.0030.0309.14
5.2.100.0050.0289.14
5.2.90.0020.0319.14
5.2.80.0050.0299.13
5.2.70.0050.0339.13
5.2.60.0070.0309.09
5.2.50.0060.0289.05
5.2.40.0030.0369.03
5.2.30.0030.0329.00
5.2.20.0050.0299.00
5.2.10.0060.0278.92
5.2.00.0040.0298.78
5.1.60.0060.0218.06
5.1.50.0010.0278.06
5.1.40.0040.0248.04
5.1.30.0040.0258.39
5.1.20.0050.0258.41
5.1.10.0030.0268.13
5.1.00.0040.0248.13
5.0.50.0020.0236.62
5.0.40.0030.0196.48
5.0.30.0030.0356.29
5.0.20.0030.0196.27
5.0.10.0020.0206.24
5.0.00.0030.0306.24
4.4.90.0030.0154.78
4.4.80.0010.0174.75
4.4.70.0050.0134.75
4.4.60.0010.0164.76
4.4.50.0010.0174.77
4.4.40.0040.0314.71
4.4.30.0030.0164.76
4.4.20.0020.0184.84
4.4.10.0010.0174.85
4.4.00.0050.0234.76
4.3.110.0030.0154.67
4.3.100.0030.0144.67
4.3.90.0020.0154.63
4.3.80.0040.0234.58
4.3.70.0040.0134.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0050.0274.54
4.3.30.0020.0153.28
4.3.20.0040.0133.26
4.3.10.0020.0153.21
4.3.00.0000.02018.23

preferences:
43.2 ms | 401 KiB | 5 Q