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Recursive multidimensional array traversing

/ Published in: PHP
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Traverses a multidimensional array and returns an array with the results. It also echoes the result as a string just for demonstration.

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  1. function array_traverse($arr)
  2. {
  3. 	static $recursive_array = array(); // Static to mantain state when doing recursive function
  4.  
  5. 	// Traverse array, if a value is an array do recursive call to traverse that array 
  6. 	foreach($arr as $value)
  7. 	{
  8. 		if(is_array($value))
  9. 		{
  10. 			array_traverse($value);
  11. 		}
  12. 		else
  13. 		{
  14. 			$recursive_array[] = $value;
  15. 			echo $value."<br />\n";
  16. 		}
  17. 	}
  18.  
  19. 	return $recursive_array;
  20. }
  21.  
  22. $arr = array(1, array(141,151,161), 2, 3, 5, array(101, 202, array(303,404)));
  23.  
  24. var_dump(array_traverse($arr));

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