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I am having this array:
PHP
array (size=4)
  0 => 
    array (size=3)
      'name' => string '1' (length=1)
      'parent' => string '1' (length=1)
      'child' => string '1' (length=1)
  1 => 
    array (size=3)
      'name' => string '22' (length=2)
      'parent' => string '1' (length=1)
      'child' => string '22' (length=2)
  2 => 
    array (size=3)
      'name' => string '23' (length=2)
      'parent' => string '1' (length=1)
      'child' => string '23' (length=2)
  3 => 
    array (size=3)
      'name' => string '30' (length=2)
      'parent' => string '23' (length=2)
      'child' => string '30' (length=2)

I want to generate a multi level array in such a way that:
array 0 will be my root.
every other array that has their parent value equals to name value of array 0 will form a tree under the array.
e.g
array 1 and array 2 has parent=1 which is equal to name of array 0, which means they will form a direct node to array 0
but array 3 will form a node to arrar 2 because it has its parent value to equal array 2 name value.
And like that.
Please help me. I have tried several recursive functions but all effort prove abortive.
Posted
Comments
Matt T Heffron 17-Jul-15 17:41pm    
For starters, your data has a problem...
The parent of array 0 is not "some kind of null (maybe==-1)", or itself, but it is the same as its child.
This could cause some significant problems with a general purpose solution.
child == self to indicate a leaf node is also a bad design.

1 solution

Yep. Thanks to the house.
I got it solved by following this blog http://leon.vankammen.eu/tech/storing-retrieving-hierarchical-trees-between-php-and-mysql.html[^]
 
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