3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( 'key1' => 'val1', 'key2' => 'val2', 'key3' => 'val3', 'key4' => array( 'subkey1' => 'subval1', 'subkey2' => 'subval2', ) ); function walkArray($input) { // Define our output array $output = array( 'keys' => '', 'vals' => '', 'children' => array(), ); // We're looping trough the input array foreach($input AS $key => $value) { // If the current value is an array we reached the next dimension if(is_array($value)) { // So we call walkArray() recursively with our current value // and assign the returned array to a new element in our $output's 'children' key $output['children'][] = walkArray($value); } else { // We'll concatenate our keys and values... $output['keys'] .= $key . ', '; $output['vals'] .= ':' . $value .', '; } } // And get rid of the trailing commas $output['keys'] = rtrim($output['keys'], ', '); $output['vals'] = rtrim($output['vals'], ', '); // Eventually we return our output array return $output; } ?> print_r(walkArray($arr));

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)
8.3.60.0140.00018.24
8.3.50.0070.01321.11
8.3.40.0120.00318.79
8.3.30.0070.00718.98
8.3.20.0000.00720.21
8.3.10.0000.00723.61
8.3.00.0040.00419.26
8.2.180.0180.00016.32
8.2.170.0070.00722.96
8.2.160.0100.00320.39
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00422.23
8.2.110.0040.00420.32
8.2.100.0100.00318.09
8.2.90.0000.00719.24
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00419.88
8.2.30.0000.00718.05
8.2.20.0060.00317.53
8.2.10.0080.00018.04
8.2.00.0050.00217.61
8.1.280.0060.01325.92
8.1.270.0030.00622.06
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.93
8.1.230.0040.00719.07
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0070.00021.84
8.1.150.0030.00618.84
8.1.140.0040.00417.39
8.1.130.0070.00017.74
8.1.120.0080.00017.45
8.1.110.0040.00417.24
8.1.100.0000.00717.39
8.1.90.0030.00517.29
8.1.80.0070.00017.45
8.1.70.0030.00317.34
8.1.60.0080.00017.56
8.1.50.0060.00317.48
8.1.40.0040.00417.42
8.1.30.0030.00617.48
8.1.20.0000.00817.48
8.1.10.0060.00317.45
8.1.00.0000.00817.49
8.0.300.0050.00318.77
8.0.290.0080.00016.75
8.0.280.0000.00718.35
8.0.270.0030.00317.18
8.0.260.0000.00817.26
8.0.250.0030.00316.77
8.0.240.0000.00716.95
8.0.230.0070.00016.82
8.0.220.0050.00316.81
8.0.210.0030.00516.85
8.0.200.0040.00416.90
8.0.190.0040.00416.86
8.0.180.0030.00516.92
8.0.170.0000.00816.77
8.0.160.0000.00716.95
8.0.150.0040.00416.85
8.0.140.0090.00016.81
8.0.130.0030.00313.30
8.0.120.0050.00316.82
8.0.110.0060.00316.81
8.0.100.0020.00516.71
8.0.90.0040.00416.90
8.0.80.0120.00416.79
8.0.70.0040.00416.74
8.0.60.0070.00016.71
8.0.50.0000.00716.67
8.0.30.0050.01317.05
8.0.20.0030.01817.40
8.0.10.0040.00416.87
8.0.00.0080.00916.66
7.4.330.0000.00515.00
7.4.320.0000.00716.55
7.4.300.0030.00316.57
7.4.290.0030.00316.43
7.4.280.0000.00816.43
7.4.270.0030.00316.37
7.4.260.0000.00816.57
7.4.250.0040.00416.41
7.4.240.0050.00216.49
7.4.230.0030.00316.43
7.4.220.0130.00616.31
7.4.210.0040.01116.56
7.4.200.0040.00316.64
7.4.160.0040.01216.70
7.4.150.0130.00517.40
7.4.140.0100.00917.86
7.4.130.0130.00616.34
7.4.120.0060.01016.44
7.4.110.0140.00416.55
7.4.100.0130.01016.26
7.4.90.0060.01116.36
7.4.80.0080.01319.39
7.4.70.0070.01016.55
7.4.60.0090.00616.41
7.4.50.0030.00316.46
7.4.40.0040.01216.48
7.4.30.0050.01116.43
7.4.00.0110.00314.65
7.3.330.0000.00613.18
7.3.320.0050.00013.09
7.3.310.0040.00416.28
7.3.300.0030.00316.27
7.3.290.0030.01016.08
7.3.280.0080.00916.19
7.3.270.0080.00917.40
7.3.260.0070.02116.27
7.3.250.0060.01016.35
7.3.240.0090.00916.58
7.3.230.0120.00616.48
7.3.210.0060.01116.34
7.3.200.0160.00019.39
7.3.190.0140.01016.39
7.3.180.0060.00916.40
7.3.170.0090.00616.30
7.3.160.0180.00016.39
7.2.330.0160.00016.70
7.2.320.0100.00616.51
7.2.310.0110.00716.31
7.2.300.0060.01116.41
7.2.290.0110.00716.49
7.1.70.0090.00016.64
7.1.60.0140.01119.11
7.1.50.0240.01034.66
7.1.00.0000.08022.44
7.0.200.0050.00516.39
7.0.140.0000.07721.95
7.0.60.0070.05019.91
7.0.50.0100.06317.92
7.0.40.0000.08320.10
7.0.30.0330.07320.20
7.0.20.0300.07720.09
7.0.10.0370.07320.07
7.0.00.0130.07020.05
5.6.280.0030.07321.03
5.6.210.0130.05720.50
5.6.200.0070.04018.23
5.6.190.0130.07020.67
5.6.180.0200.03720.45
5.6.170.0200.06020.44
5.6.160.0070.07320.54
5.6.150.0100.05718.29
5.6.140.0100.06018.18
5.6.130.0100.07718.18
5.6.120.0100.06720.96
5.6.110.0100.07720.99
5.6.100.0130.08020.99
5.6.90.0100.06021.02
5.6.80.0130.06720.36
5.6.70.0270.07020.38
5.5.350.0130.07720.43
5.5.340.0070.07717.97
5.5.330.0030.04720.40
5.5.320.0070.08020.57
5.5.310.0270.04020.33
5.5.300.0070.08317.99
5.5.290.0030.08317.94
5.5.280.0130.06020.66
5.5.270.0030.04720.76
5.5.260.0130.07320.77
5.5.250.0100.08020.50
5.5.240.0170.06720.27
5.4.450.0030.06319.56
5.4.440.0800.06019.65
5.4.430.0730.07019.63
5.4.420.0630.00019.42
5.4.410.0630.00019.21
5.4.400.0600.00019.22
5.4.390.0670.00019.13
5.4.380.0700.00018.98
5.4.370.0670.00019.11
5.4.360.0700.00019.16
5.4.350.0630.00019.17
5.4.340.0030.03712.01
5.4.320.0060.03412.51
5.4.310.0060.04512.50
5.4.300.0060.03512.51
5.4.290.0070.03712.50
5.4.280.0040.03712.40
5.4.270.0090.03212.39
5.4.260.0050.03812.39
5.4.250.0030.03912.40
5.4.240.0050.03512.40
5.4.230.0060.03612.39
5.4.220.0080.03312.39
5.4.210.0070.03512.39
5.4.200.0090.03412.39
5.4.190.0060.03512.39
5.4.180.0040.03812.39
5.4.170.0060.03612.39
5.4.160.0060.03712.39
5.4.150.0090.03712.39
5.4.140.0090.04012.07
5.4.130.0030.03912.06
5.4.120.0050.03412.01
5.4.110.0060.04212.01
5.4.100.0060.03412.01
5.4.90.0040.03712.02
5.4.80.0090.03812.01
5.4.70.0080.03512.01
5.4.60.0100.04612.01
5.4.50.0040.03612.01
5.4.40.0060.03511.99
5.4.30.0040.03711.99
5.4.20.0050.03612.00
5.4.10.0060.03312.00
5.4.00.0030.03811.48
5.3.290.0060.03912.80
5.3.280.0060.03712.71
5.3.270.0040.04112.73
5.3.260.0050.04012.72
5.3.250.0070.04112.72
5.3.240.0070.03512.72
5.3.230.0070.03612.71
5.3.220.0090.03312.68
5.3.210.0080.03712.68
5.3.200.0070.03412.68
5.3.190.0050.03712.68
5.3.180.0060.03512.67
5.3.170.0060.03912.67
5.3.160.0100.03212.68
5.3.150.0050.04012.68
5.3.140.0100.03812.66
5.3.130.0060.03712.66
5.3.120.0100.03812.65
5.3.110.0060.03712.66
5.3.100.0080.03512.12
5.3.90.0080.03312.10
5.3.80.0050.03712.09
5.3.70.0090.03112.09
5.3.60.0120.03512.07
5.3.50.0090.03712.03
5.3.40.0020.03812.02
5.3.30.0090.03711.98
5.3.20.0070.03211.77
5.3.10.0080.03011.73
5.3.00.0050.04211.71
5.2.170.0040.0309.22
5.2.160.0030.0299.22
5.2.150.0060.0289.22
5.2.140.0050.0349.22
5.2.130.0060.0279.18
5.2.120.0050.0299.18
5.2.110.0030.0309.18
5.2.100.0050.0279.18
5.2.90.0040.0289.18
5.2.80.0060.0299.17
5.2.70.0060.0319.17
5.2.60.0030.0389.13
5.2.50.0070.0319.10
5.2.40.0080.0249.07
5.2.30.0030.0309.04
5.2.20.0040.0309.03
5.2.10.0050.0288.94
5.2.00.0080.0318.80
5.1.60.0050.0228.09
5.1.50.0020.0258.09
5.1.40.0040.0248.07
5.1.30.0030.0268.42
5.1.20.0060.0248.43
5.1.10.0030.0268.17
5.1.00.0040.0248.16
5.0.50.0050.0186.64
5.0.40.0020.0196.50
5.0.30.0040.0296.31
5.0.20.0030.0196.28
5.0.10.0040.0196.26
5.0.00.0040.0306.25
4.4.90.0020.0164.78
4.4.80.0050.0124.76
4.4.70.0020.0164.76
4.4.60.0010.0174.75
4.4.50.0020.0164.77
4.4.40.0030.0244.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0154.85
4.4.00.0040.0234.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0050.0124.64
4.3.80.0040.0284.59
4.3.70.0040.0194.63
4.3.60.0010.0204.63
4.3.50.0050.0174.62
4.3.40.0040.0274.54
4.3.30.0040.0153.30
4.3.20.0010.0173.28
4.3.10.0010.0183.24
4.3.00.0000.0237.50

preferences:
43.67 ms | 401 KiB | 5 Q