3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = array( '123' => array('data' => array('categories' => array( array( 'id' => '2', 'description' => 'Single-player' ), array( 'id' => '1', 'description' => 'Multi-player' ), array( 'id' => '9', 'description' => 'Co-op' ), array( 'id' => '22', 'description' => 'Steam Achievements' ), array( 'id' => '28', 'description' => 'Full controller support' ) )) ), '456' => array('data' => array('categories' => array( array( 'id' => '21', 'description' => 'Downloadable Content' ) )) ), ); //print_r($json); $merged = array(); foreach($json as $j1) { foreach($j1 as $j2) { foreach($j2 as $key => $j3) { $merged[$key] => $j3; } } } print_r($merged);

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)
5.4.310.0060.04012.50
5.4.300.0080.03412.50
5.4.290.0060.04112.50
5.4.280.0050.04012.39
5.4.270.0060.03912.39
5.4.260.0060.03812.39
5.4.250.0070.03912.39
5.4.240.0040.04612.39
5.4.230.0060.03812.38
5.4.220.0060.03512.38
5.4.210.0110.03912.38
5.4.200.0080.04212.39
5.4.190.0110.04012.38
5.4.180.0070.03512.38
5.4.170.0060.04012.39
5.4.160.0080.03512.39
5.4.150.0050.03812.38
5.4.140.0070.03512.07
5.4.130.0080.03512.05
5.4.120.0030.03912.02
5.4.110.0080.05012.02
5.4.100.0030.04012.02
5.4.90.0100.03612.02
5.4.80.0100.03512.02
5.4.70.0080.03612.01
5.4.60.0060.03712.01
5.4.50.0070.03512.01
5.4.40.0040.03912.00
5.4.30.0070.03612.00
5.4.20.0060.03511.99
5.4.10.0100.03012.00
5.4.00.0060.03611.49
5.3.280.0090.04112.71
5.3.270.0080.04712.72
5.3.260.0060.04012.72
5.3.250.0060.03912.72
5.3.240.0080.03512.71
5.3.230.0080.03712.71
5.3.220.0040.04312.68
5.3.210.0050.04012.68
5.3.200.0070.03712.68
5.3.190.0080.04712.68
5.3.180.0110.04312.67
5.3.170.0080.03612.67
5.3.160.0040.03812.67
5.3.150.0070.03812.67
5.3.140.0060.03712.66
5.3.130.0060.03812.66
5.3.120.0080.03812.66
5.3.110.0050.04112.66
5.3.100.0080.03412.12
5.3.90.0060.03912.09
5.3.80.0080.04512.07
5.3.70.0050.04912.07
5.3.60.0070.03712.07
5.3.50.0040.03912.00
5.3.40.0080.03612.00
5.3.30.0060.03611.96
5.3.20.0040.03811.73
5.3.10.0080.03711.70
5.3.00.0070.03811.69
5.2.170.0070.0299.19
5.2.160.0060.0299.19
5.2.150.0120.0449.19
5.2.140.0040.0349.19
5.2.130.0070.0299.14
5.2.120.0060.0309.15
5.2.110.0070.0279.15
5.2.100.0090.0359.15
5.2.90.0100.0409.15
5.2.80.0070.0409.14
5.2.70.0080.0409.14
5.2.60.0130.0329.10
5.2.50.0090.0369.06
5.2.40.0050.0389.04
5.2.30.0040.0349.02
5.2.20.0040.0349.01
5.2.10.0060.0298.93
5.2.00.0120.0298.79
5.1.60.0050.0338.07
5.1.50.0070.0328.07
5.1.40.0060.0338.05
5.1.30.0090.0328.41
5.1.20.0070.0358.43
5.1.10.0070.0298.15
5.1.00.0060.0308.15
5.0.50.0050.0206.63
5.0.40.0040.0256.48
5.0.30.0050.0316.30
5.0.20.0020.0226.27
5.0.10.0040.0206.25
5.0.00.0070.0416.24
4.4.90.0040.0244.78
4.4.80.0030.0164.76
4.4.70.0040.0174.75
4.4.60.0020.0224.76
4.4.50.0040.0204.77
4.4.40.0070.0284.71
4.4.30.0010.0224.76
4.4.20.0030.0234.84
4.4.10.0040.0164.85
4.4.00.0030.0314.76
4.3.110.0050.0194.66
4.3.100.0040.0194.67
4.3.90.0030.0154.63
4.3.80.0020.0254.58
4.3.70.0010.0164.63
4.3.60.0030.0154.63
4.3.50.0020.0184.63
4.3.40.0020.0254.54
4.3.30.0000.0193.29
4.3.20.0020.0163.27
4.3.10.0020.0173.22
4.3.00.0030.01715.26

preferences:
137.1 ms | 1394 KiB | 7 Q