3v4l.org

run code in 300+ PHP versions simultaneously
<?php $blah= array(array('a'=> array('name' => 'test'), 'b' => array('name' => 'test2', '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)
8.3.60.0170.00725.92
8.3.50.0100.01425.92
8.3.40.0130.00325.92
8.2.180.0070.01425.92
8.2.170.0110.01125.92
8.1.280.0100.00325.92
7.4.10.0100.01016.53
7.4.00.0070.00915.74
7.3.130.0040.01516.40
7.3.120.0070.01116.47
7.3.110.0030.01316.18
7.3.100.0070.00716.52
7.3.90.0060.00916.30
7.3.80.0030.01016.41
7.3.70.0140.00316.29
7.3.60.0030.00916.37
7.3.50.0080.00416.50
7.3.40.0030.01016.41
7.3.30.0060.01016.26
7.3.20.0040.01118.18
7.3.10.0050.00717.43
7.3.00.0050.00517.46
7.2.260.0020.01616.72
7.2.250.0070.01316.44
7.2.240.0030.01316.81
7.2.230.0030.01316.52
7.2.220.0110.00416.53
7.2.210.0040.00716.62
7.2.200.0070.01016.70
7.2.190.0080.00616.47
7.2.180.0100.00716.49
7.2.170.0000.01016.70
7.2.160.0030.01016.60
7.2.150.0030.01018.47
7.2.140.0070.00418.57
7.2.130.0050.01217.49
7.2.120.0180.00517.67
7.2.110.0160.00717.49
7.2.100.0120.00717.59
7.2.90.0110.00817.51
7.2.80.0110.01017.63
7.2.70.0090.01317.50
7.2.60.0090.00817.33
7.2.50.0080.01417.57
7.2.40.0090.00917.65
7.2.30.0110.00917.70
7.2.20.0120.00817.46
7.2.10.0180.00617.60
7.2.00.0110.00918.33
7.1.330.0060.01217.36
7.1.320.0090.01017.36
7.1.310.0030.01017.38
7.1.300.0030.00917.41
7.1.290.0030.01317.46
7.1.280.0080.00417.27
7.1.270.0030.00617.21
7.1.260.0070.00417.49
7.1.250.0030.00916.48
7.1.240.0180.00717.31
7.1.230.0070.01517.30
7.1.220.0110.01817.27
7.1.210.0170.00617.21
7.1.200.0140.00616.59
7.1.190.0200.01017.43
7.1.180.0130.01617.43
7.1.170.0220.00717.41
7.1.160.0150.00817.44
7.1.150.0140.01417.29
7.1.140.0130.01317.38
7.1.130.0140.01117.33
7.1.120.0180.00717.22
7.1.110.0130.01617.42
7.1.100.0110.00917.80
7.1.90.0250.00417.41
7.1.80.0110.01617.40
7.1.70.0070.01217.33
7.1.60.0160.00918.27
7.1.50.0140.01116.97
7.1.40.0190.00617.47
7.1.30.0110.01417.39
7.1.20.0120.00211.71
7.1.10.0270.00317.18
7.1.00.0140.03617.09
7.0.330.0040.00817.16
7.0.320.0100.01716.85
7.0.310.0150.00817.07
7.0.300.0130.01317.00
7.0.290.0120.01217.00
7.0.280.0230.00416.90
7.0.270.0140.01117.00
7.0.260.0150.00817.04
7.0.250.0150.01517.05
7.0.240.0110.01417.08
7.0.230.0130.01316.93
7.0.220.0120.01217.14
7.0.210.0190.01317.17
7.0.200.0340.01315.97
7.0.190.0150.01117.09
7.0.180.0150.01116.93
7.0.170.0100.02117.20
7.0.160.0690.01117.07
7.0.150.0090.00911.71
7.0.140.0130.00611.71
7.0.130.0190.00011.71
7.0.120.0080.00811.71
7.0.110.0130.00711.71
7.0.100.0150.00511.71
7.0.90.0280.00416.99
7.0.80.0170.01116.95
7.0.70.0180.00916.92
7.0.60.0230.04618.50
7.0.50.0130.02917.45
7.0.40.0200.02617.61
7.0.30.0160.02315.93
7.0.20.0210.02517.55
7.0.10.0100.04917.56
7.0.00.0110.03715.88
5.6.400.0040.00816.09
5.6.390.0080.01916.07
5.6.380.0100.01515.78
5.6.370.0220.00416.22
5.6.360.0160.01215.88
5.6.350.0150.01216.09
5.6.340.0160.00916.03
5.6.330.0170.00915.71
5.6.320.0180.01016.09
5.6.310.0100.01716.13
5.6.300.0130.01816.11
5.6.290.0230.00815.96
5.6.280.0120.03818.50
5.6.270.0240.00716.04
5.6.260.0200.01015.71
5.6.250.0180.01216.06
5.6.240.0160.01016.15
5.6.230.0140.00511.71
5.6.220.0180.00011.71
5.6.210.0060.02918.42
5.6.200.0080.04515.00
5.6.190.0100.02416.09
5.6.180.0250.03818.24
5.6.170.0250.04218.34
5.6.160.0140.03518.23
5.6.150.0140.03515.00
5.6.140.0130.03817.26
5.6.130.0170.04217.13
5.6.120.0070.03618.58
5.6.110.0130.04618.55
5.6.100.0160.02718.66
5.6.90.0130.04818.56
5.6.80.0080.02818.13
5.6.70.0150.01515.82
5.6.60.0160.01215.96
5.6.50.0120.01715.99
5.6.40.0150.01315.77
5.6.30.0120.01615.85
5.6.20.0250.00415.88
5.6.10.0170.01215.93
5.6.00.0140.01315.97
5.5.380.0170.00815.77
5.5.370.0160.01116.04
5.5.360.0090.01915.79
5.5.350.0290.03618.09
5.5.340.0190.03516.98
5.5.330.0120.04218.24
5.5.320.0200.04418.10
5.5.310.0170.03418.23
5.5.300.0150.03716.99
5.5.290.0100.03717.04
5.5.280.0180.03718.40
5.5.270.0080.02818.53
5.5.260.0110.02518.41
5.5.250.0090.04418.34
5.5.240.0110.03918.11
5.5.230.0150.01016.04
5.5.220.0140.01415.68
5.5.210.0230.00615.72
5.5.200.0070.02216.05
5.5.190.0160.01015.98
5.5.180.0210.00615.59
5.5.170.0160.01115.94
5.5.160.0120.01215.79
5.5.150.0120.01815.76
5.5.140.0210.00416.05
5.5.130.0160.01216.07
5.5.120.0160.01315.95
5.5.110.0220.00616.05
5.5.100.0170.00816.05
5.5.90.0130.01315.64
5.5.80.0190.00615.91
5.5.70.0140.01115.58
5.5.60.0200.00615.83
5.5.50.0180.00915.88
5.5.40.0210.00615.96
5.5.30.0080.01915.78
5.5.20.0150.01115.91
5.5.10.0110.01515.87
5.5.00.0200.00715.93

preferences:
37.07 ms | 401 KiB | 5 Q