Created
December 19, 2016 14:49
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test task just for fun
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| <!-- Developed by Ivan Gaydamakin (vk.com/megapk) --> | |
| <!-- License MIT --> | |
| <!DOCTYPE HTML> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Тег UL</title> | |
| </head> | |
| <body> | |
| <?php | |
| error_reporting(E_ALL); | |
| ini_set('display_errors', 1); | |
| class GeneratorCategories | |
| { | |
| private $filename; | |
| private $names; | |
| public function __construct($filename) | |
| { | |
| $this->names = []; | |
| $this->filename = $filename; | |
| } | |
| public function GenerateHtmlCategories() | |
| { | |
| $structure = $this->parseFileToStructure($this->filename); | |
| $categories = $this->parseStructureToCategories($structure); | |
| return $this->renderCategoriesToHtml($categories); | |
| } | |
| private function parseFileToStructure($filename) | |
| { | |
| $structure = []; | |
| foreach (file($filename) as $line) { | |
| $line = trim($line); | |
| if ($line == "") | |
| continue; | |
| list($id, $parent_id, $name) = explode("|", $line); | |
| $this->names[$id] = $name; | |
| $id = intval($id); | |
| $parent_id = intval($parent_id); | |
| if (empty($structure[$parent_id])) { | |
| $structure[$parent_id] = []; | |
| } | |
| $structure[$parent_id][$id] = []; | |
| } | |
| ksort($structure); | |
| return $structure; | |
| } | |
| private function fillParentCategory(array &$categories, $for_search_parent_id, $for_add_ids) | |
| { | |
| foreach ($categories as $category_id => &$category) { | |
| if ($category_id == $for_search_parent_id) { | |
| $category = $category + $for_add_ids; | |
| } else if (count($category) > 0) { | |
| $this->fillParentCategory($category, $for_search_parent_id, $for_add_ids); | |
| } | |
| } | |
| } | |
| function renderCategoriesToHtml(array $categories, $depth = 0, &$html = "") | |
| { | |
| foreach ($categories as $category_id => &$category) { | |
| if ($category_id != 0) { | |
| $html .= "<ul><li>"; | |
| $html .= $this->names[$category_id]; | |
| } | |
| if (count($category)) { | |
| $depth += 1; | |
| $this->renderCategoriesToHtml($category, $depth, $html); | |
| } | |
| if ($category_id != 0) { | |
| $html .= "</li></ul>"; | |
| } | |
| } | |
| return $html; | |
| } | |
| private function parseStructureToCategories($structure) | |
| { | |
| $categories = [0 => $structure[0]]; | |
| unset($structure[0]); | |
| foreach ($structure as $parent_id => $ids) { | |
| $this->fillParentCategory($categories, $parent_id, $ids); | |
| } | |
| return $categories; | |
| } | |
| } | |
| $generator = new GeneratorCategories("file.txt"); | |
| echo $generator->GenerateHtmlCategories(); | |
| ?> | |
| </body> | |
| </html> |
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