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run code in 300+ PHP versions simultaneously
<?php $array = [ ['Categoria' => 'example', 'Servico' => 'name1'], ['Categoria' => 'example', 'Servico' => 'name2'], ['Categoria' => 'example', 'Servico' => 'name3'], ['Categoria' => 'example2', 'Servico' => 'name4'], ['Categoria' => 'example2', 'Servico' => 'name5'], ['Categoria' => 'example2', 'Servico' => 'name6'], ['Categoria' => 'example3', 'Servico' => 'name7'], ['Categoria' => 'example3', 'Servico' => 'name8'], ['Categoria' => 'example3', 'Servico' => 'name9'] ]; var_export( array_values( array_reduce( $array, function ($carry, $row) { $carry[$row['Categoria']]['Servico'] = $row['Categoria']; $carry[$row['Categoria']]['children'][] = $row['Servico']; return $carry; } ) ) );
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 ( 'Servico' => 'example', 'children' => array ( 0 => 'name1', 1 => 'name2', 2 => 'name3', ), ), 1 => array ( 'Servico' => 'example2', 'children' => array ( 0 => 'name4', 1 => 'name5', 2 => 'name6', ), ), 2 => array ( 'Servico' => 'example3', 'children' => array ( 0 => 'name7', 1 => 'name8', 2 => 'name9', ), ), )
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 ( 'Servico' => 'example', 'children' => array ( 0 => 'name1', 1 => 'name2', 2 => 'name3', ), ), 1 => array ( 'Servico' => 'example2', 'children' => array ( 0 => 'name4', 1 => 'name5', 2 => 'name6', ), ), 2 => array ( 'Servico' => 'example3', 'children' => array ( 0 => 'name7', 1 => 'name8', 2 => 'name9', ), ), )

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