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<?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'] ]; $result = []; foreach ($array as $row) { $result[$row['Categoria']]['Servico'] = $row['Categoria']; $result[$row['Categoria']]['children'][] = $row['Servico']; } var_export(array_values($result));
Output for git.master, git.master_jit, rfc.property-hooks
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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