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<?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 git.master, git.master_jit, rfc.property-hooks
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, ), )

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