3v4l.org

run code in 300+ PHP versions simultaneously
<?php $blah= array(array('a'=> 1, 'b' => array('inner' => 2, 'alias' => 'blah'))); $blank = array(); function _test(&$test, &$blank) { foreach ($test as $key => $value) { if (is_array($value) === false) continue; if (isset($value['alias']) === true) { $clonedArray = array(); $clonedArray = array_merge($clonedArray, $test); unset($clonedArray[$key]['a']); $blank[$value['alias']] = $clonedArray; } if (isset($value['isalias']) === true) { $test[$key] = $blank[$value['alias']]; } if (is_array($value) === true){ _test($test[$key], $blank); } } } _test($blah, $blank); var_dump($blah);

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)
8.3.70.0090.00616.50
8.3.60.0110.01118.43
8.3.50.0120.01021.93
8.3.40.0050.01018.74
8.3.30.0110.00418.85
8.3.20.0000.00820.09
8.3.10.0040.00420.48
8.3.00.0050.00221.91
8.2.180.0110.00316.50
8.2.170.0170.00022.96
8.2.160.0070.00722.05
8.2.150.0030.00624.18
8.2.140.0060.00324.66
8.2.130.0040.00421.00
8.2.120.0000.00726.35
8.2.110.0070.00322.20
8.2.100.0060.00618.16
8.2.90.0040.00419.33
8.2.80.0060.00317.97
8.2.70.0040.00417.72
8.2.60.0050.00317.93
8.2.50.0050.00518.09
8.2.40.0000.00820.41
8.2.30.0000.00919.46
8.2.20.0020.00517.62
8.2.10.0050.00318.20
8.2.00.0040.00418.02
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0060.00328.09
8.1.250.0050.00228.09
8.1.240.0030.00622.67
8.1.230.0080.00317.76
8.1.220.0040.00417.88
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0070.00318.69
8.1.160.0040.00420.84
8.1.150.0040.00418.79
8.1.140.0000.00819.51
8.1.130.0040.00417.61
8.1.120.0040.00417.41
8.1.110.0040.00417.51
8.1.100.0040.00417.49
8.1.90.0030.00517.32
8.1.80.0000.00717.34
8.1.70.0000.00817.47
8.1.60.0080.00017.50
8.1.50.0000.00917.54
8.1.40.0040.00417.43
8.1.30.0030.00617.56
8.1.20.0030.00517.55
8.1.10.0040.00417.63
8.1.00.0000.00817.51
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0030.00418.41
8.0.270.0070.00017.20
8.0.260.0030.00317.16
8.0.250.0000.00616.86
8.0.240.0080.00216.96
8.0.230.0030.00316.89
8.0.220.0040.00716.82
8.0.210.0040.00416.89
8.0.200.0030.00316.98
8.0.190.0030.00516.98
8.0.180.0070.00016.82
8.0.170.0070.00016.95
8.0.160.0040.00416.83
8.0.150.0040.00416.82
8.0.140.0040.00416.83
8.0.130.0030.00313.39
8.0.120.0020.00516.91
8.0.110.0070.00016.88
8.0.100.0070.00016.69
8.0.90.0040.00416.98
8.0.80.0090.00616.86
8.0.70.0040.00416.90
8.0.60.0000.00716.69
8.0.50.0000.00716.86
8.0.30.0100.00717.03
8.0.20.0060.01517.40
8.0.10.0030.00517.02
8.0.00.0130.00616.74
7.4.330.0000.00616.74
7.4.320.0020.00516.56
7.4.300.0000.00616.53
7.4.290.0040.00416.45
7.4.280.0000.00816.54
7.4.270.0040.00416.45
7.4.260.0080.00316.63
7.4.250.0050.00316.62
7.4.240.0080.00016.62
7.4.230.0000.00716.52
7.4.220.0140.00316.68
7.4.210.0030.01116.49
7.4.200.0030.00316.70
7.4.160.0000.01716.58
7.4.150.0120.00917.40
7.4.140.0070.01917.86
7.4.130.0060.01116.58
7.4.120.0150.00916.67
7.4.110.0090.00916.41
7.4.100.0110.00616.37
7.4.90.0130.00916.43
7.4.80.0070.01019.39
7.4.70.0120.00416.64
7.4.60.0090.00616.63
7.4.50.0100.00216.23
7.4.40.0130.00316.51
7.4.30.0120.00416.63
7.4.00.0070.01014.99
7.3.330.0020.00213.25
7.3.320.0060.00013.35
7.3.310.0000.00716.24
7.3.300.0070.00016.25
7.3.290.0070.01016.42
7.3.280.0110.00816.38
7.3.270.0040.01417.40
7.3.260.0170.00716.46
7.3.250.0090.01316.58
7.3.240.0110.00816.60
7.3.230.0090.00916.49
7.3.210.0100.00616.37
7.3.200.0130.00816.55
7.3.190.0140.00316.45
7.3.180.0080.01316.54
7.3.170.0100.01016.63
7.3.160.0110.00416.42
7.2.330.0090.01516.82
7.2.320.0130.00316.88
7.2.310.0060.01216.76
7.2.300.0090.01216.89
7.2.290.0050.01116.89
7.2.80.0060.00616.72
7.2.60.0040.01116.62
7.1.200.0070.00715.80
7.1.70.0030.00616.84
7.1.60.0060.01819.24
7.1.50.0130.01017.02
7.1.00.0000.08022.44
7.0.200.0640.00014.50
7.0.60.0230.07020.02
7.0.50.0030.06717.90
7.0.40.0130.08720.27
7.0.30.0170.04320.10
7.0.20.0170.04020.07
7.0.10.0030.09020.06
7.0.00.0170.07320.08
5.6.280.0070.05021.02
5.6.210.0000.04320.49
5.6.200.0100.07718.19
5.6.190.0070.04320.58
5.6.180.0330.07720.41
5.6.170.0270.05320.51
5.6.160.0170.07320.39
5.6.150.0030.08018.16
5.6.140.0130.07718.25
5.6.130.0030.04318.25
5.6.120.0070.04321.12
5.6.110.0100.07721.05
5.6.100.0100.06720.99
5.6.90.0130.06721.09
5.6.80.0030.04020.41
5.5.350.0370.06320.44
5.5.340.0030.08317.97
5.5.330.0030.08720.19
5.5.320.0530.03320.27
5.5.310.0300.05320.21
5.5.300.0100.07017.99
5.5.290.0070.07718.03
5.5.280.0100.06020.77
5.5.270.0000.04320.77
5.5.260.0030.04020.97
5.5.250.0070.08720.68
5.5.240.0000.08020.27

preferences:
60.34 ms | 401 KiB | 5 Q