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  1. <?php
  2.  
  3. 	$arr = [
  4. 		0 => [
  5. 			'id' => 0,
  6. 			'dir_name' => '',
  7. 			'children' => [
  8. 				36 => [
  9. 					'id' => 36,
  10. 					'dir_name' => 'dir 36',
  11. 					'children' => [
  12. 						92 => [
  13. 							'id' => 92,
  14. 							'dir_name' => 'dir 92',
  15. 							'children' => [
  16. 								93 => [
  17. 									'id' => 93,
  18. 									'dir_name' => 'dir 93'
  19. 								]
  20. 							]
  21. 						],
  22. 						94 => [
  23. 							'id' => 94,
  24. 							'dir_name' => 'dir 94',
  25. 							'children' => [
  26. 								95 => [
  27. 									'id' => 95,
  28. 									'dir_name' => 'dir 95'
  29. 								]
  30. 							]
  31. 						]
  32. 					]
  33. 				]
  34. 			]
  35. 		]
  36. 	];
  37.  
  38. 	function all_dir($array, $id_selected = 0, $pos = 0, $tab_pos = [])
  39. 	{
  40. 		$flat = [];
  41.  
  42. 		foreach ($array as $k => $value)
  43. 		{
  44.  
  45. 			if (is_array($value))
  46. 				$flat = array_merge($flat, all_dir($value, $id_selected, $pos, $tab_pos));
  47. 			else
  48. 			{
  49. 				if ($k == "id")
  50. 				{
  51. 					$option = '<option value="' . $value . '"';
  52. 					if ($value == $id_selected)
  53. 						$option .=" selected ";
  54. 				}
  55.  
  56. 				if ($k == "dir_name")
  57. 				{
  58. 					$flat[] = $value;
  59. 					$tab_pos[$pos] = $value;
  60.  
  61. 					$val = '';
  62. 					for ($i = 0; $i <= $pos; $i++)
  63. 					{
  64. 						$val .= $tab_pos[$i] . '/';
  65. 					}
  66.  
  67. 					$option .='>' . $val . '</option>'.PHP_EOL;
  68.  
  69. 					echo $option;
  70.  
  71. 					$pos++;
  72. 				}
  73. 			}
  74. 		}
  75. 		return $flat;
  76. 	}
  77.  
  78. 	function get_dir($array, $names = [])
  79. 	{
  80. 		$ret = [];
  81.  
  82. 		foreach ($array as $k => $v)
  83. 		{
  84. 			$id = $v['id'];
  85. 			$name = $v['dir_name'];
  86.  
  87. 			$ret[$id] = $names;
  88. 			$ret[$id][] = $name;
  89.  
  90. 			if (!empty($v['children']))
  91. 			{
  92. 				$xret = get_dir($v['children'], $ret[$id]);
  93.  
  94. 				foreach ($xret as $kk => $vv)
  95. 				{
  96. 					$ret[$kk] = $vv;
  97. 				}
  98. 			}
  99. 		}
  100.  
  101. 		return $ret;
  102. 	}
  103.  
  104. 	function get_dir_root($array)
  105. 	{
  106. 		$ret = [];
  107.  
  108. 		foreach (get_dir($array) as $k => $v)
  109. 		{
  110. 			$ret[$k] = implode ('/', $v);
  111.  
  112. 			if ($ret[$k] == '')
  113. 				$ret[$k] = '/';
  114. 			else
  115. 				$ret[$k] .= '/';
  116. 		}
  117.  
  118. 		return $ret;
  119. 	}
  120.  
  121. 	var_export(all_dir($arr, 93));
  122. 	var_export(get_dir_root($arr));
  123.  
Success #stdin #stdout 0s 52488KB
comments (?)
stdin
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Standard input is empty
stdout
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<option value="0">/</option>
<option value="36">/dir 36/</option>
<option value="92">/dir 36/dir 92/</option>
<option value="93" selected >/dir 36/dir 92/dir 93/</option>
<option value="94">/dir 36/dir 94/</option>
<option value="95">/dir 36/dir 94/dir 95/</option>
array (
  0 => '',
  1 => 'dir 36',
  2 => 'dir 92',
  3 => 'dir 93',
  4 => 'dir 94',
  5 => 'dir 95',
)array (
  0 => '/',
  36 => '/dir 36/',
  92 => '/dir 36/dir 92/',
  93 => '/dir 36/dir 92/dir 93/',
  94 => '/dir 36/dir 94/',
  95 => '/dir 36/dir 94/dir 95/',
)
https://ideone.com/IH7eJT
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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