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  1. <?php
  2.  
  3. $categories=array(
  4. 	array('Code'=>'root','ParentID'=>null),
  5. 	array('Code'=>'a1','ParentID'=>'root'),
  6. 	array('Code'=>'a2','ParentID'=>'root'),
  7. 	array('Code'=>'a1.1','ParentID'=>'a1'),
  8. 	array('Code'=>'a1.2','ParentID'=>'a1'),
  9. 	array('Code'=>'a2.1','ParentID'=>'a2'),
  10. 	);
  11.  
  12. function FoundSub($parent) {
  13. 	global $categories;
  14. 	$c=0;
  15.  
  16. 	foreach( $categories as $key ) {
  17.  
  18. 		if( $key['ParentID'] == $parent ) {
  19.  
  20. 			$c+=1+FoundSub($key['Code']);
  21.  
  22. 		}
  23.  
  24. 	} // end
  25. 	return $c;
  26. } // end function
  27.  
  28. echo FoundSub('root')."\n";
  29. echo FoundSub('a1')."\n";
  30. echo FoundSub('a2')."\n";
Success #stdin #stdout 0.01s 20520KB
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https://ideone.com/OuAFl4
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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