3v4l.org

run code in 300+ PHP versions simultaneously
<?php $holiday_array = [ ['employee' => ['id' => 456062], 'num' => 1], ['employee' => ['id' => 522010], 'num' => 1], ['employee' => ['id' => 638070], 'num' => 1], ['employee' => ['id' => 638070], 'num' => 2], ['employee' => ['id' => 351779], 'num' => 1], ['employee' => ['id' => 638070], 'num' => 3], ['employee' => ['id' => 638070], 'num' => 4], ['employee' => ['id' => 351779], 'num' => 2], ['employee' => ['id' => 351779], 'num' => 3], ['employee' => ['id' => 351779], 'num' => 4], ]; $result = []; foreach ($holiday_array as $row) { $result[$row['employee']['id']] = $row; } var_export(array_values($result));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
array ( 0 => array ( 'employee' => array ( 'id' => 456062, ), 'num' => 1, ), 1 => array ( 'employee' => array ( 'id' => 522010, ), 'num' => 1, ), 2 => array ( 'employee' => array ( 'id' => 638070, ), 'num' => 4, ), 3 => array ( 'employee' => array ( 'id' => 351779, ), 'num' => 4, ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 'employee' => array ( 'id' => 456062, ), 'num' => 1, ), 1 => array ( 'employee' => array ( 'id' => 522010, ), 'num' => 1, ), 2 => array ( 'employee' => array ( 'id' => 638070, ), 'num' => 4, ), 3 => array ( 'employee' => array ( 'id' => 351779, ), 'num' => 4, ), )
preferences:
146.29 ms | 409 KiB | 5 Q