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  1. <?php
  2.  
  3. $fakeMySQLResult = array(
  4. 	array(
  5. 		'id' 		=> 1,
  6. 		'parentid' 	=> 'root',
  7. 		'level' 	=> 0,
  8. 		'menuname' 	=> 'Projects'
  9. 	),
  10. 	array(
  11. 		'id' 		=> 2,
  12. 		'parentid' 	=> 'root',
  13. 		'level' 	=> 0,
  14. 		'menuname' 	=> 'Team'
  15. 	),
  16. 	array(
  17. 		'id' 		=> 3,
  18. 		'parentid' 	=> 1,
  19. 		'level' 	=> 1,
  20. 		'menuname' 	=> 'Mayhem'
  21. 	),
  22. 	array(
  23. 		'id' 		=> 4,
  24. 		'parentid' 	=> 1,
  25. 		'level' 	=> 1,
  26. 		'menuname' 	=> 'X'
  27. 	),
  28. 	array(
  29. 		'id' 		=> 5,
  30. 		'parentid' 	=> 2,
  31. 		'level' 	=> 1,
  32. 		'menuname' 	=> 'Dev'
  33. 	),
  34. 	array(
  35. 		'id' 		=> 6,
  36. 		'parentid' 	=> 5,
  37. 		'level' 	=> 2,
  38. 		'menuname' 	=> 'PHP'
  39. 	),
  40. 	array(
  41. 		'id' 		=> 7,
  42. 		'parentid' 	=> 5,
  43. 		'level' 	=> 2,
  44. 		'menuname' 	=> 'MySQL'
  45. 	),
  46. );
  47.  
  48. function returnSubNavigation($id,$level,$fullNavigationArray) {
  49. 	$html = '';
  50. 	if(array_key_exists($level, $fullNavigationArray) && array_key_exists($id, $fullNavigationArray[$level])) {
  51. 		$html .= '<ul>';
  52. 		foreach($fullNavigationArray[$level][$id] as $subElement) {
  53. 			$html .=  '<li><a href="#"><span>'.$subElement["menuname"].'</span></a>';
  54. 			$html .=  returnSubNavigation($subElement['id'], $level+1, $fullNavigationArray);
  55. 			$html .=  '</li>';
  56. 		}
  57. 		$html .= '</ul>';
  58.  
  59. 	}
  60. 	return $html;
  61. }
  62.  
  63. $navigationTempArray = array();
  64. foreach($fakeMySQLResult as $row)
  65. {
  66. 	if(!array_key_exists($row['level'], $navigationTempArray )) {
  67. 		$navigationTempArray[$row['level']] = array();
  68. 	}
  69. 	if(!array_key_exists($row['parentid'], $navigationTempArray[$row['level']] )) {
  70. 		$navigationTempArray[$row['level']][$row['parentid']] = array();
  71. 	}
  72. 	$navigationTempArray[$row['level']][$row['parentid']][] = $row;
  73. }
  74.  
  75. //var_dump($navigationTempArray);die();
  76.  
  77.  
  78. echo returnSubNavigation('root', 0, $navigationTempArray);
  79.  
Success #stdin #stdout 0.01s 20520KB
comments (?)
stdin
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Standard input is empty
stdout
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<ul><li><a href="#"><span>Projects</span></a><ul><li><a href="#"><span>Mayhem</span></a></li><li><a href="#"><span>X</span></a></li></ul></li><li><a href="#"><span>Team</span></a><ul><li><a href="#"><span>Dev</span></a><ul><li><a href="#"><span>PHP</span></a></li><li><a href="#"><span>MySQL</span></a></li></ul></li></ul></li></ul>
https://ideone.com/VWdgXv
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
public

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