3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sweet = array('a' => 'apple', 'b' => 'banana'); $fruits = array('sweet' => $sweet, 'sour' => 'lemon'); $stuff = new RecursiveIteratorIterator(new RecursiveArrayIterator($fruits), RecursiveIteratorIterator::CHILD_FIRST); foreach ($stuff as $fruit) { echo $fruit; }

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)
8.3.60.0100.00718.68
8.3.50.0100.01021.95
8.3.40.0040.01118.60
8.3.30.0030.01019.10
8.3.20.0050.00320.30
8.3.10.0050.00320.65
8.3.00.0050.00519.38
8.2.180.0070.00716.63
8.2.170.0070.00722.96
8.2.160.0030.01020.42
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0000.00722.18
8.2.110.0030.00720.49
8.2.100.0080.00318.22
8.2.90.0080.00019.25
8.2.80.0030.00517.97
8.2.70.0030.00617.50
8.2.60.0050.00318.05
8.2.50.0000.00818.07
8.2.40.0000.00718.16
8.2.30.0070.00019.42
8.2.20.0030.00617.68
8.2.10.0000.00818.00
8.2.00.0000.00817.65
8.1.280.0060.01325.92
8.1.270.0050.00323.77
8.1.260.0070.00026.35
8.1.250.0050.00828.09
8.1.240.0090.00023.84
8.1.230.0080.00418.99
8.1.220.0030.00517.75
8.1.210.0030.00518.77
8.1.200.0060.00617.23
8.1.190.0090.00017.22
8.1.180.0050.00218.10
8.1.170.0060.00318.74
8.1.160.0000.00821.95
8.1.150.0040.00418.79
8.1.140.0000.00717.40
8.1.130.0000.00717.78
8.1.120.0070.00017.45
8.1.110.0040.00417.49
8.1.100.0050.00217.35
8.1.90.0000.00717.46
8.1.80.0000.00717.47
8.1.70.0080.00017.40
8.1.60.0030.00617.55
8.1.50.0030.00617.43
8.1.40.0000.00817.40
8.1.30.0040.00417.47
8.1.20.0000.00717.61
8.1.10.0030.00517.59
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.45
8.0.270.0030.00317.19
8.0.260.0060.00017.14
8.0.250.0070.00017.00
8.0.240.0000.00817.04
8.0.230.0070.00017.04
8.0.220.0040.00316.88
8.0.210.0000.00716.85
8.0.200.0000.00617.05
8.0.190.0080.00017.00
8.0.180.0000.00717.06
8.0.170.0080.00016.86
8.0.160.0040.00416.95
8.0.150.0070.00016.77
8.0.140.0050.00216.95
8.0.130.0030.00313.31
8.0.120.0040.00416.90
8.0.110.0000.00716.93
8.0.100.0040.00416.77
8.0.90.0040.00416.98
8.0.80.0060.01516.92
8.0.70.0040.00416.91
8.0.60.0070.00016.83
8.0.50.0000.00716.82
8.0.30.0100.00917.24
8.0.20.0190.00417.40
8.0.10.0070.00017.06
8.0.00.0050.01316.80
7.4.330.0050.00015.09
7.4.320.0060.00016.59
7.4.300.0030.00316.66
7.4.290.0070.00016.58
7.4.280.0040.00416.60
7.4.270.0070.00016.50
7.4.260.0000.00716.59
7.4.250.0040.00416.54
7.4.240.0040.00416.58
7.4.230.0030.00316.40
7.4.220.0030.02216.71
7.4.210.0150.00016.43
7.4.200.0070.00016.49
7.4.160.0100.00716.66
7.4.150.0070.01017.40
7.4.140.0070.01017.86
7.4.130.0080.00816.44
7.4.120.0080.01016.48
7.4.110.0130.00316.50
7.4.100.0130.00716.53
7.4.90.0070.01116.67
7.4.80.0120.01319.39
7.4.70.0100.00716.43
7.4.60.0030.01216.51
7.4.50.0040.00416.46
7.4.40.0080.01516.43
7.4.30.0120.00616.39
7.4.00.0060.00914.96
7.3.330.0000.00613.24
7.3.320.0020.00213.24
7.3.310.0030.00316.27
7.3.300.0030.00316.29
7.3.290.0070.00716.46
7.3.280.0020.01416.40
7.3.270.0040.01317.40
7.3.260.0090.00916.39
7.3.250.0160.00416.57
7.3.240.0110.01216.45
7.3.230.0070.01116.43
7.3.210.0000.01616.44
7.3.200.0200.00319.39
7.3.190.0120.00616.44
7.3.180.0100.01316.35
7.3.170.0060.00916.44
7.3.160.0070.00716.45
7.2.330.0150.00916.76
7.2.320.0060.01216.43
7.2.310.0110.00816.76
7.2.300.0090.00916.46
7.2.290.0120.01016.44
7.2.60.0050.00817.06
7.2.00.0070.00719.46
7.1.200.0040.00415.68
7.1.100.0070.00418.12
7.1.70.0000.00717.27
7.1.60.0100.01319.12
7.1.50.0100.00716.90
7.1.00.0000.08022.34
7.0.200.0030.00616.68
7.0.140.0170.06022.10
7.0.60.0030.07020.01
7.0.50.0170.07717.87
7.0.40.0100.08319.90
7.0.30.0300.05320.18
7.0.20.0330.07720.33
7.0.10.0130.07720.21
7.0.00.0130.05020.21
5.6.280.0030.07321.12
5.6.210.0100.08020.50
5.6.200.0070.06018.16
5.6.190.0030.09320.41
5.6.180.0330.06720.43
5.6.170.0200.06020.38
5.6.160.0070.08320.51
5.6.150.0070.07018.12
5.6.140.0130.07718.11
5.6.130.0070.07718.11
5.6.120.0000.04321.14
5.6.110.0030.07721.11
5.6.100.0000.07021.02
5.6.90.0000.09021.09
5.6.80.0100.05320.41
5.5.350.0230.07720.39
5.5.340.0070.03718.02
5.5.330.0000.04720.41
5.5.320.0200.03720.13
5.5.310.0170.04320.20
5.5.300.0030.06017.90
5.5.290.0100.08017.97
5.5.280.0070.06020.87
5.5.270.0070.07720.71
5.5.260.0070.07720.79
5.5.250.0130.07720.77
5.5.240.0030.03720.35
5.4.450.0630.05719.45
5.4.440.0170.04719.46
5.4.430.0870.04719.54
5.4.420.0670.07019.54
5.4.410.0600.05719.34
5.4.400.0670.05319.13
5.4.390.1000.07318.95
5.4.380.0430.04718.61
5.4.370.0300.06018.77
5.4.360.0370.08018.71
5.4.350.0370.04718.68
5.4.340.0700.06318.63
5.4.320.0040.03812.46
5.4.310.0090.03512.45
5.4.300.0050.03712.45
5.4.290.0060.03812.45
5.4.280.0060.03512.35
5.4.270.0030.04112.35
5.4.260.0040.03912.35
5.4.250.0040.03812.35
5.4.240.0070.03512.35
5.4.230.0060.03812.34
5.4.220.0070.03612.34
5.4.210.0060.03612.34
5.4.200.0030.04012.34
5.4.190.0060.04212.34
5.4.180.0040.03612.34
5.4.170.0050.04412.35
5.4.160.0090.03812.35
5.4.150.0100.03312.34
5.4.140.0080.04912.03
5.4.130.0060.03912.01
5.4.120.0050.03611.98
5.4.110.0040.03711.97
5.4.100.0130.03811.96
5.4.90.0070.05011.96
5.4.80.0050.04111.96
5.4.70.0080.03311.96
5.4.60.0090.03811.96
5.4.50.0070.04211.96
5.4.40.0110.03011.95
5.4.30.0070.03511.95
5.4.20.0090.03111.95
5.4.10.0100.03511.95
5.4.00.0090.03311.44
5.3.290.0050.04112.80
5.3.280.0060.04812.71
5.3.270.0060.03912.73
5.3.260.0090.04112.72
5.3.250.0070.04512.72
5.3.240.0040.05012.72
5.3.230.0100.03912.71
5.3.220.0090.04512.68
5.3.210.0030.04112.68
5.3.200.0060.04812.68
5.3.190.0070.04312.68
5.3.180.0040.03912.67
5.3.170.0070.03812.66
5.3.160.0060.03612.67
5.3.150.0080.04112.67
5.3.140.0050.03812.66
5.3.130.0070.03812.66
5.3.120.0080.03712.66
5.3.110.0050.04012.66
5.3.100.0070.03512.12
5.3.90.0090.04112.08
5.3.80.0060.04412.07
5.3.70.0060.03612.08
5.3.60.0060.03612.06
5.3.50.0080.03512.00
5.3.40.0050.04012.00
5.3.30.0060.03511.95
5.3.20.0030.03811.72
5.3.10.0040.03711.69
5.3.00.0060.04411.68
5.2.170.0050.0359.18
5.2.160.0050.0389.18
5.2.150.0040.0319.18
5.2.140.0050.0339.18
5.2.130.0050.0339.13
5.2.120.0040.0289.13
5.2.110.0060.0279.14
5.2.100.0040.0359.14
5.2.90.0040.0289.14
5.2.80.0060.0289.13
5.2.70.0040.0309.14
5.2.60.0060.0349.08
5.2.50.0040.0309.05
5.2.40.0060.0359.04
5.2.30.0050.0289.01
5.2.20.0050.0329.00
5.2.10.0030.0308.92
5.2.00.0060.0288.78
5.1.60.0030.0258.06
5.1.50.0080.0258.06
5.1.40.0070.0288.04
5.1.30.0080.0308.39
5.1.20.0040.0298.41
5.1.10.0050.0308.14
5.1.00.0040.0288.14
5.0.50.0020.0226.62
5.0.40.0050.0176.48
5.0.30.0050.0326.29
5.0.20.0030.0266.26
5.0.10.0050.0276.24
5.0.00.0040.0396.23
4.4.90.0020.0264.78
4.4.80.0020.0214.75
4.4.70.0010.0174.75
4.4.60.0040.0194.75
4.4.50.0040.0254.77
4.4.40.0070.0284.71
4.4.30.0040.0204.76
4.4.20.0050.0314.85
4.4.10.0050.0164.85
4.4.00.0010.0274.76
4.3.110.0040.0154.67
4.3.100.0030.0154.67
4.3.90.0010.0174.63
4.3.80.0040.0234.59
4.3.70.0060.0114.63
4.3.60.0000.0174.63
4.3.50.0020.0264.63
4.3.40.0020.0254.54
4.3.30.0020.0273.29
4.3.20.0010.0183.27
4.3.10.0020.0153.22
4.3.00.0170.0207.68

preferences:
39.44 ms | 401 KiB | 5 Q