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<?php class A1 { public function rows() { $a = array(); $a[] = array('parent_id' => 10, 'category_id' => 13, 'name' => 'id13'); $a[] = array('parent_id' => 8, 'category_id' => 12, 'name' => 'id12'); $a[] = array('parent_id' => 7, 'category_id' => 11, 'name' => 'id11'); $a[] = array('parent_id' => 7, 'category_id' => 10, 'name' => 'id10'); $a[] = array('parent_id' => 0, 'category_id' => 9, 'name' => 'id9'); $a[] = array('parent_id' => 0, 'category_id' => 8, 'name' => 'id8'); $a[] = array('parent_id' => 0, 'category_id' => 7, 'name' => 'id7'); return $a; } } $query = new A1; $categoryArray = array(); foreach($query->rows() as $row) { if(isset($categoryArray[$row['category_id']])) { $categoryArray[$row['category_id']]['name'] = $row['name']; $categoryArray[$row['parent_id']][$row['category_id']]['elements'] = $categoryArray[$row['category_id']]; unset($categoryArray[$row['category_id']]); } else { $categoryArray[$row['parent_id']][$row['category_id']]['name'] = $row['name']; } } echo "first stage \n"; print_r($categoryArray); // second stage echo "\n\n"; getCategory($categoryArray); function getCategory($array){ foreach($array as $row){ if(is_array($row)) { echo('<li>'.$row.'<ul>'); getCategory($row); echo('</ul></li>'); } else { echo('<li>'.$row.'</li>'); } } }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
first stage Array ( [0] => Array ( [9] => Array ( [name] => id9 ) [8] => Array ( [elements] => Array ( [12] => Array ( [name] => id12 ) [name] => id8 ) ) [7] => Array ( [elements] => Array ( [11] => Array ( [name] => id11 ) [10] => Array ( [elements] => Array ( [13] => Array ( [name] => id13 ) [name] => id10 ) ) [name] => id7 ) ) ) ) Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id9</li></ul></li> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id12</li></ul></li><li>id8</li></ul></li></ul></li> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id11</li></ul></li> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Warning: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id13</li></ul></li><li>id10</li></ul></li></ul></li><li>id7</li></ul></li></ul></li></ul></li>
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
first stage Array ( [0] => Array ( [9] => Array ( [name] => id9 ) [8] => Array ( [elements] => Array ( [12] => Array ( [name] => id12 ) [name] => id8 ) ) [7] => Array ( [elements] => Array ( [11] => Array ( [name] => id11 ) [10] => Array ( [elements] => Array ( [13] => Array ( [name] => id13 ) [name] => id10 ) ) [name] => id7 ) ) ) ) Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id9</li></ul></li> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id12</li></ul></li><li>id8</li></ul></li></ul></li> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id11</li></ul></li> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul> Notice: Array to string conversion in /in/o3Ys4 on line 42 <li>Array<ul><li>id13</li></ul></li><li>id10</li></ul></li></ul></li><li>id7</li></ul></li></ul></li></ul></li>
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33, 7.4.26
first stage Array ( [0] => Array ( [9] => Array ( [name] => id9 ) [8] => Array ( [elements] => Array ( [12] => Array ( [name] => id12 ) [name] => id8 ) ) [7] => Array ( [elements] => Array ( [11] => Array ( [name] => id11 ) [10] => Array ( [elements] => Array ( [13] => Array ( [name] => id13 ) [name] => id10 ) ) [name] => id7 ) ) ) ) <li>Array<ul><li>Array<ul><li>id9</li></ul></li><li>Array<ul><li>Array<ul><li>Array<ul><li>id12</li></ul></li><li>id8</li></ul></li></ul></li><li>Array<ul><li>Array<ul><li>Array<ul><li>id11</li></ul></li><li>Array<ul><li>Array<ul><li>Array<ul><li>id13</li></ul></li><li>id10</li></ul></li></ul></li><li>id7</li></ul></li></ul></li></ul></li>
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/o3Ys4 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/o3Ys4 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/o3Ys4 on line 4
Process exited with code 255.

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