3v4l.org

run code in 300+ PHP versions simultaneously
<?php $keys = [ 'staff_first_name' => null, 'staff_last_name' => null, 'staff_years' => null ]; $submitted_values = [ 'first_name' => 'jon', 'last_name' => 'doe', 'years' => 5 ]; foreach ($keys as $key => &$value) { $value = $submitted_values[substr($key, 6)] ?? $value; } var_export($keys);

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)
8.3.80.0070.00317.97
8.3.70.0060.00916.63
8.3.60.0040.01116.50
8.3.50.0120.00618.54
8.3.40.0110.00420.21
8.3.30.0060.00918.71
8.3.20.0000.00924.18
8.3.10.0040.00424.66
8.3.00.0170.00026.16
8.2.200.0060.00316.50
8.2.190.0130.00316.88
8.2.180.0110.00316.75
8.2.170.0140.00322.96
8.2.160.0060.00922.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00020.66
8.2.110.0050.00522.30
8.2.100.0040.00817.91
8.2.90.0030.00617.63
8.2.80.0090.00018.73
8.2.70.0000.00917.50
8.2.60.0000.00917.63
8.2.50.0050.00317.63
8.2.40.0050.00517.63
8.2.30.0070.00917.62
8.2.20.0140.00217.62
8.2.10.0160.00017.62
8.2.00.0100.00517.63
8.1.290.0040.00430.84
8.1.280.0070.01125.92
8.1.270.0080.00023.86
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00023.88
8.1.230.0080.00319.01
8.1.220.0060.00317.88
8.1.210.0030.00518.77
8.1.200.0030.00517.35
8.1.190.0000.00717.22
8.1.180.0080.00018.10
8.1.170.0070.01017.62
8.1.160.0130.00417.62
8.1.150.0110.00717.62
8.1.140.0170.00017.62
8.1.130.0040.01317.62
8.1.120.0130.00417.62
8.1.110.0120.00617.62
8.1.100.0130.00417.62
8.1.90.0050.01117.62
8.1.80.0110.00517.62
8.1.70.0060.01017.62
8.1.60.0140.00317.62
8.1.50.0150.00217.62
8.1.40.0060.01117.62
8.1.30.0170.00017.62
8.1.20.0160.00317.62
8.1.10.0200.00017.62
8.1.00.0080.01117.62
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0130.00317.62
8.0.270.0120.00417.62
8.0.260.0140.00417.62
8.0.250.0080.00817.62
8.0.240.0070.01017.62
8.0.230.0090.00617.62
8.0.220.0130.00617.62
8.0.210.0140.00317.62
8.0.200.0170.00017.62
8.0.190.0030.01317.62
8.0.180.0120.00917.62
8.0.170.0130.00417.62
8.0.160.0130.00417.62
8.0.150.0090.00917.62
8.0.140.0180.00017.62
8.0.130.0120.00417.62
8.0.120.0160.00017.62
8.0.110.0110.00417.62
8.0.100.0130.00317.62
8.0.90.0130.00317.62
8.0.80.0100.00517.62
8.0.70.0160.00017.62
8.0.60.0110.00417.62
8.0.50.0130.00317.62
8.0.30.0160.00017.62
8.0.20.0130.00217.62
8.0.10.0060.01117.62

preferences:
31.04 ms | 401 KiB | 5 Q