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)
8.3.40.0000.01418.71
8.3.30.0110.00319.04
8.3.20.0070.00020.29
8.3.10.0050.00321.90
8.3.00.0040.00419.68
8.2.170.0100.00322.96
8.2.160.0110.00420.47
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0050.00321.03
8.2.110.0040.00422.26
8.2.100.0040.00817.76
8.2.90.0050.00319.33
8.2.80.0080.00017.97
8.2.70.0030.00617.60
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0050.00318.34
8.2.30.0030.00518.01
8.2.20.0030.00617.81
8.2.10.0000.00718.06
8.2.00.0040.00417.74
8.1.270.0050.00323.88
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.91
8.1.230.0120.00019.05
8.1.220.0080.00417.74
8.1.210.0080.00018.77
8.1.200.0090.00317.36
8.1.190.0040.00417.38
8.1.180.0040.00418.10
8.1.170.0060.00318.49
8.1.160.0040.00421.94
8.1.150.0050.00218.88
8.1.140.0030.00617.57
8.1.130.0070.00017.75
8.1.120.0000.00717.38
8.1.110.0000.00717.50
8.1.100.0000.00717.53
8.1.90.0040.00417.50
8.1.80.0000.00717.39
8.1.70.0070.00017.45
8.1.60.0030.00617.59
8.1.50.0040.00417.52
8.1.40.0000.00817.59
8.1.30.0040.00417.66
8.1.20.0040.00417.56
8.1.10.0030.00517.50
8.1.00.0040.00417.50
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0030.00318.36
8.0.270.0000.00717.32
8.0.260.0000.00617.27
8.0.250.0030.00316.95
8.0.240.0060.00016.93
8.0.230.0000.00816.94
8.0.220.0040.00416.93
8.0.210.0030.00316.93
8.0.200.0000.00717.01
8.0.190.0060.00316.85
8.0.180.0000.00716.82
8.0.170.0040.00416.80
8.0.160.0000.00816.92
8.0.150.0030.00616.85
8.0.140.0050.00316.86
8.0.130.0030.00313.32
8.0.120.0070.00016.90
8.0.110.0040.00416.72
8.0.100.0070.00016.88
8.0.90.0030.00516.95
8.0.80.0070.01416.81
8.0.70.0070.00017.02
8.0.60.0040.00416.88
8.0.50.0000.00716.96
8.0.30.0140.01017.16
8.0.20.0110.00817.40
8.0.10.0040.00416.81
8.0.00.0080.00916.75
7.4.330.0050.00015.00
7.4.320.0030.00316.44
7.4.300.0030.00316.50
7.4.290.0040.00416.52
7.4.280.0040.00416.50
7.4.270.0030.00316.54
7.4.260.0070.00016.55
7.4.250.0000.00716.53
7.4.240.0030.00416.56
7.4.230.0070.00016.63
7.4.220.0090.00916.72
7.4.210.0030.01216.46
7.4.200.0000.00716.69
7.4.160.0130.00316.65
7.4.150.0110.01017.40
7.4.140.0070.00917.86
7.4.130.0130.01016.51
7.4.120.0100.00716.60
7.4.110.0110.00616.29
7.4.100.0070.01116.55
7.4.90.0100.00716.52
7.4.80.0130.00619.39
7.4.70.0130.00316.48
7.4.60.0100.00616.57
7.4.50.0080.00016.62
7.4.40.0090.01216.51
7.4.30.0100.00716.66
7.4.00.0070.01114.86
7.3.330.0000.00613.16
7.3.320.0050.00013.25
7.3.310.0000.00616.27
7.3.300.0040.00416.36
7.3.290.0060.00916.34
7.3.280.0090.00816.35
7.3.270.0070.01017.40
7.3.260.0100.01416.36
7.3.240.0100.00716.49
7.3.230.0140.00716.52
7.3.210.0110.00916.38
7.3.200.0080.00819.39
7.3.190.0100.00616.44
7.3.180.0130.00716.64
7.3.170.0030.01316.34
7.3.160.0070.01316.49
7.3.120.0040.01114.73
7.2.330.0110.00616.43
7.2.320.0130.00316.61
7.2.310.0120.00916.68
7.2.300.0060.01016.58
7.2.290.0110.00616.68
7.2.60.0040.01116.56
7.2.00.0000.01519.38
7.1.200.0060.00915.76
7.1.100.0000.00817.93
7.1.70.0040.00417.30
7.1.60.0060.01819.25
7.1.50.0040.01516.64
7.1.00.0070.07322.36
7.0.200.0050.00216.77
7.0.140.0030.07322.04
7.0.60.0100.05019.86
7.0.50.0000.08717.89
7.0.40.0000.04720.09
7.0.30.0300.07020.11
7.0.20.0270.06320.21
7.0.10.0030.04320.22
7.0.00.0070.05320.23
5.6.280.0000.07721.02
5.6.210.0100.07320.71
5.6.200.0130.07718.17
5.6.190.0030.04320.46
5.6.180.0400.07020.45
5.6.170.0330.04320.45
5.6.160.0100.07320.57
5.6.150.0000.04718.19
5.6.140.0070.03318.27
5.6.130.0100.07718.19
5.6.120.0070.07021.11
5.6.110.0000.09320.97
5.6.100.0130.03321.00
5.6.90.0070.04020.96
5.6.80.0100.07720.38
5.5.350.4470.04020.32
5.5.340.0070.08317.95
5.5.330.0170.05320.35
5.5.320.0300.07720.50
5.5.310.0370.07720.34
5.5.300.0070.08717.98
5.5.290.0100.07717.97
5.5.280.0130.08020.65
5.5.270.0030.08720.68
5.5.260.0100.07020.84
5.5.250.0030.06720.66
5.5.240.0100.06020.13
5.4.450.0270.04319.49
5.4.440.0170.05019.49
5.4.430.0170.03719.45
5.4.420.0330.03019.32
5.4.410.0270.03719.29
5.4.400.0130.04719.13
5.4.390.0170.04018.87
5.4.380.0400.05018.56
5.4.370.0370.07018.46
5.4.360.0400.06718.47
5.4.350.0470.07718.80
5.4.340.0530.06018.80
5.4.320.0080.03912.49
5.4.310.0060.04012.48
5.4.300.0050.03812.49
5.4.290.0050.04012.48
5.4.280.0040.03712.38
5.4.270.0040.03812.38
5.4.260.0060.03812.38
5.4.250.0040.04112.38
5.4.240.0080.03812.38
5.4.230.0070.03812.37
5.4.220.0030.03912.37
5.4.210.0060.03712.38
5.4.200.0080.03712.38
5.4.190.0070.03712.37
5.4.180.0040.04512.37
5.4.170.0050.03812.38
5.4.160.0060.03612.38
5.4.150.0050.03812.37
5.4.140.0060.03912.05
5.4.130.0050.03712.05
5.4.120.0070.04212.00
5.4.110.0070.03512.00
5.4.100.0060.04112.00
5.4.90.0060.04112.00
5.4.80.0070.03812.00
5.4.70.0080.03411.99
5.4.60.0050.04312.00
5.4.50.0020.04011.99
5.4.40.0040.03711.98
5.4.30.0070.03611.98
5.4.20.0090.04411.98
5.4.10.0050.05011.98
5.4.00.0100.04511.47
5.3.290.0090.03712.80
5.3.280.0070.03712.71
5.3.270.0080.03812.72
5.3.260.0050.04112.72
5.3.250.0110.03412.72
5.3.240.0100.03512.72
5.3.230.0150.05412.70
5.3.220.0150.05612.68
5.3.210.0070.05212.68
5.3.200.0120.04512.68
5.3.190.0120.04312.68
5.3.180.0100.03912.67
5.3.170.0070.04012.67
5.3.160.0080.04412.68
5.3.150.0070.04412.68
5.3.140.0060.03712.66
5.3.130.0060.03912.65
5.3.120.0060.04712.66
5.3.110.0050.04012.66
5.3.100.0100.03512.12
5.3.90.0060.03712.09
5.3.80.0060.03912.08
5.3.70.0060.03812.08
5.3.60.0060.03912.07
5.3.50.0080.04512.02
5.3.40.0060.03612.02
5.3.30.0060.03411.98
5.3.20.0060.03611.75
5.3.10.0070.03711.72
5.3.00.0070.03511.71
5.2.170.0060.0299.21
5.2.160.0080.0279.21
5.2.150.0090.0339.21
5.2.140.0070.0359.21
5.2.130.0060.0429.17
5.2.120.0030.0419.17
5.2.110.0070.0349.18
5.2.100.0070.0279.18
5.2.90.0030.0319.18
5.2.80.0050.0319.17
5.2.70.0090.0409.17
5.2.60.0020.0349.12
5.2.50.0070.0289.09
5.2.40.0030.0329.06
5.2.30.0070.0289.04
5.2.20.0020.0329.04
5.2.10.0060.0268.94
5.2.00.0060.0298.80
5.1.60.0060.0298.07
5.1.50.0030.0278.07
5.1.40.0050.0268.05
5.1.30.0030.0298.40
5.1.20.0040.0288.43
5.1.10.0040.0278.15
5.1.00.0040.0278.15
5.0.50.0050.0246.63
5.0.40.0040.0196.48
5.0.30.0020.0346.30
5.0.20.0030.0216.27
5.0.10.0040.0206.25
5.0.00.0060.0316.24
4.4.90.0040.0154.77
4.4.80.0050.0154.76
4.4.70.0040.0234.75
4.4.60.0050.0264.76
4.4.50.0040.0214.77
4.4.40.0030.0274.71
4.4.30.0050.0144.76
4.4.20.0020.0184.84
4.4.10.0030.0174.85
4.4.00.0050.0244.76
4.3.110.0050.0174.67
4.3.100.0040.0144.67
4.3.90.0030.0154.64
4.3.80.0000.0284.59
4.3.70.0030.0154.63
4.3.60.0050.0144.63
4.3.50.0030.0164.63
4.3.40.0030.0244.54
4.3.30.0010.0173.29
4.3.20.0030.0153.27
4.3.10.0030.0153.23
4.3.00.0000.01715.26

preferences:
52.86 ms | 400 KiB | 5 Q