marshal.php
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| <?php | |
| function marshal(array $rows) { | |
| foreach ($rows as $row) { | |
| assert(is_object($row)); | |
| assert(property_exists($row, "id")); | |
| assert(property_exists($row, "type")); | |
| $row->relatives = array_filter($rows, function ($next) use ($row) { | |
| $key = "{$row->type}_id"; | |
| if (property_exists($next, $key)) { | |
| return $next->$key === $row->id; | |
| } | |
| }); | |
| yield $row; | |
| } | |
| } | |
| $rows = json_decode(json_encode([ | |
| ["type" => "blog", "id" => 1, "taxonomy_id" => 1], | |
| ["type" => "blog", "id" => 2, "taxonomy_id" => 2], | |
| ["type" => "post", "id" => 1, "blog_id" => 1, "taxonomy_id" => 1], | |
| ["type" => "post", "id" => 2, "blog_id" => 1, "taxonomy_id" => 2], | |
| ["type" => "post", "id" => 3, "blog_id" => 2, "taxonomy_id" => 1], | |
| ["type" => "post", "id" => 4, "blog_id" => 2, "taxonomy_id" => 2], | |
| ["type" => "taxonomy", "id" => 1], | |
| ["type" => "taxonomy", "id" => 2], | |
| ])); | |
| print_r( | |
| iterator_to_array( | |
| marshal($rows) | |
| ) | |
| ); |