3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $array = array(1, array(2,3, array("a","b","c"))); $output = iterator_to_array(new RecursiveIteratorIterator( new RecursiveArrayIterator($array)), TRUE); print_r($output); /** Array ( [0] => 1 [1] => 2 [2] => 3 [3] => a [4] => b [5] => c )

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)
5.4.340.0630.00018.98
5.4.320.0070.03412.50
5.4.310.0040.03912.50
5.4.300.0050.03812.50
5.4.290.0060.04612.50
5.4.280.0120.04612.39
5.4.270.0050.04012.39
5.4.260.0090.03812.39
5.4.250.0070.04112.39
5.4.240.0080.03312.39
5.4.230.0070.03812.38
5.4.220.0040.03812.38
5.4.210.0050.03612.38
5.4.200.0050.04012.38
5.4.190.0050.03712.38
5.4.180.0040.03712.38
5.4.170.0060.03612.39
5.4.160.0050.03512.38
5.4.150.0090.03312.38
5.4.140.0060.03612.07
5.4.130.0090.03312.05
5.4.120.0040.03712.02
5.4.110.0040.03612.01
5.4.100.0060.03512.01
5.4.90.0050.03812.01
5.4.80.0080.03512.01
5.4.70.0060.03412.01
5.4.60.0050.03712.01
5.4.50.0070.03412.00
5.4.40.0040.03911.99
5.4.30.0060.03511.99
5.4.20.0060.03511.99
5.4.10.0090.03212.00
5.4.00.0080.03411.48
5.3.290.0070.03912.80
5.3.280.0090.04312.71
5.3.270.0090.03612.72
5.3.260.0060.03812.72
5.3.250.0090.03412.72
5.3.240.0090.03512.72
5.3.230.0060.04012.71
5.3.220.0060.03612.68
5.3.210.0080.03712.68
5.3.200.0050.03712.68
5.3.190.0080.03412.68
5.3.180.0030.03812.68
5.3.170.0060.03612.67
5.3.160.0030.04012.67
5.3.150.0050.03812.68
5.3.140.0060.03812.66
5.3.130.0090.03612.66
5.3.120.0070.04412.66
5.3.110.0090.04012.66
5.3.100.0070.04012.12
5.3.90.0070.03612.09
5.3.80.0060.03612.07
5.3.70.0040.03812.07
5.3.60.0060.03612.06
5.3.50.0030.03912.00
5.3.40.0070.03512.00
5.3.30.0040.03611.95
5.3.20.0060.03411.73
5.3.10.0030.03611.70
5.3.00.0040.03711.68
5.2.170.0020.0339.18
5.2.160.0040.0339.19
5.2.150.0060.0289.18
5.2.140.0010.0339.17
5.2.130.0030.0299.15
5.2.120.0020.0309.14
5.2.110.0040.0329.15
5.2.100.0060.0279.14
5.2.90.0040.0299.14
5.2.80.0070.0289.14
5.2.70.0060.0299.14
5.2.60.0030.0399.09
5.2.50.0040.0329.06
5.2.40.0040.0299.03
5.2.30.0070.0359.01
5.2.20.0070.0299.00
5.2.10.0030.0308.92
5.2.00.0050.0308.79
5.1.60.0070.0318.06
5.1.50.0030.0278.06
5.1.40.0010.0298.05
5.1.30.0030.0288.39
5.1.20.0040.0268.42
5.1.10.0030.0268.14
5.1.00.0020.0278.14
5.0.50.0030.0206.62
5.0.40.0030.0206.48
5.0.30.0030.0316.29
5.0.20.0020.0206.27
5.0.10.0030.0206.23
5.0.00.0030.0306.23
4.4.90.0020.0164.78
4.4.80.0040.0144.75
4.4.70.0000.0184.76
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0040.0144.85
4.4.10.0030.0154.85
4.4.00.0040.0234.75
4.3.110.0010.0174.66
4.3.100.0010.0164.66
4.3.90.0040.0124.63
4.3.80.0020.0244.59
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0030.0274.54
4.3.30.0030.0173.28
4.3.20.0030.0153.26
4.3.10.0010.0173.22
4.3.00.0300.03013.59

preferences:
142.07 ms | 939 KiB | 8 Q