3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ "elem-1" => ["title" => "1", "desc" => ""], "elem-2" => ["title" => "2", "desc" => ""], "elem-3" => ["title" => "3", "desc" => ""], "elem-4" => ["title" => "4", "desc" => ""], ]; $result = []; array_walk( $arr, function($row, $key) use(&$result) { $result[] = [$key => $row['title']]; } ); var_export($result); echo "\n---\n"; $result = []; foreach ($arr as $key => $row) { $result[] = [$key => $row['title']]; } var_export($result);

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)
8.3.60.0040.01118.30
8.3.50.0170.00320.16
8.3.40.0040.01120.55
8.3.30.0160.00718.62
8.3.20.0070.00024.18
8.3.10.0070.00024.66
8.3.00.0080.00026.16
8.2.180.0090.01225.92
8.2.170.0120.00322.96
8.2.160.0100.00322.96
8.2.150.0030.00525.66
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0040.00421.04
8.2.110.0110.01120.58
8.2.100.0080.00417.97
8.2.90.0080.00017.63
8.2.80.0050.00318.91
8.2.70.0060.00317.63
8.2.60.0020.00517.50
8.2.50.0040.00417.98
8.2.40.0050.00318.16
8.2.30.0040.00418.05
8.2.20.0030.00720.42
8.2.10.0000.00718.23
8.2.00.0000.00819.31
8.1.280.0060.00925.92
8.1.270.0090.00023.99
8.1.260.0070.00726.35
8.1.250.0090.00028.09
8.1.240.0110.00023.86
8.1.230.0090.00320.91
8.1.220.0040.00417.79
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0050.00317.21
8.1.180.0000.00818.10
8.1.170.0050.00317.62
8.1.160.0000.00718.95
8.1.150.0050.00218.62
8.1.140.0020.00517.46
8.1.130.0000.00818.90
8.1.120.0030.00317.48
8.1.110.0060.00317.35
8.1.100.0000.00717.43
8.1.90.0000.00717.48
8.1.80.0080.00317.50
8.1.70.0140.00317.38
8.1.60.0090.00317.55
8.1.50.0090.00417.50
8.1.40.0160.00317.44
8.1.30.0130.00417.60
8.1.20.0140.00417.65
8.1.10.0150.00417.42
8.1.00.0140.00917.52
8.0.300.0090.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.45
8.0.270.0000.00716.82
8.0.260.0030.00318.36
8.0.250.0000.00716.84
8.0.240.0030.00316.84
8.0.230.0030.00316.95
8.0.220.0070.00016.88
8.0.210.0000.00716.96
8.0.200.0000.00716.80
8.0.190.0040.00416.80
8.0.180.0000.01016.91
8.0.170.0040.00916.71
8.0.160.0130.00316.79
8.0.150.0050.01016.80
8.0.140.0140.00416.75
8.0.130.0060.01116.85
8.0.120.0130.00416.72
8.0.110.0060.01216.79
8.0.100.0120.00316.90
8.0.90.0120.00416.90
8.0.80.0170.00016.90
8.0.70.0140.00316.83
8.0.60.0100.00716.71
8.0.50.0130.00316.73
8.0.30.0120.00616.86
8.0.20.0180.00016.92
8.0.10.0140.00316.87
7.4.330.0050.00015.55
7.4.320.0000.00616.49
7.4.300.0120.00316.49
7.4.290.0160.00316.53
7.4.280.0040.01116.38
7.4.270.0170.00016.41
7.4.260.0110.00816.63
7.4.250.0160.00316.40
7.4.240.0110.00816.55
7.4.230.0170.00016.61
7.4.220.0100.00516.41
7.4.210.0040.01216.50
7.4.200.0120.00316.49
7.4.190.0160.00016.66
7.4.180.0120.00616.48
7.4.160.0140.00216.51
7.4.150.0110.00416.45
7.4.140.0070.00916.44
7.4.130.0090.00516.43
7.4.120.0070.00716.35
7.4.110.0050.01016.40
7.4.100.0030.01016.47
7.4.90.0100.00316.49
7.4.80.0060.00616.43
7.4.70.0050.00516.40
7.4.60.0060.00616.31
7.4.50.0040.00916.23
7.4.40.0090.00516.33
7.4.30.0160.00016.48
7.4.20.0080.00716.39
7.4.10.0100.00516.43
7.4.00.0110.00516.50

preferences:
53.18 ms | 401 KiB | 5 Q