Re: Nested database loops and completing an unordered list....

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On Mar 1, 2012, at 6:36 PM, Jay Blanchard wrote:

> [snip]…stuff…[/snip]
> 
> I am getting close, but I am also getting frustrated. I probably need to walk away for a bit.
> 
> I have an array of tiers….
> 
> Array
> (
>    [0] => TIER1DATA
>    [1] => TIER2DATA
>    [2] => TIER3DATA
>    [3] => BUSTIER1DATA
>    [4] => BUSTIER2DATA
>    [5] => BUSTIER3DATA
>    [6] => BUSTIER4DATA
> )
> Each of the tiers which represent parents in children in pairs. TIER1DATA is the parent of TIER2DATA, etc. representing 7 columns of data. Here is my code so far - any insight would be valuable and extremely appreciated by me.
> 
> function display_children($i, $child) {
> 	global $dbc;
> 	global $tierArray;
> 	echo $i."<br />";
> 	/* retrieve children of parent */
> 	$get = "SELECT DISTINCT `". $tierArray[$i] ."` FROM `POSITION_SETUP` ";
> 	$get .= "WHERE `COMPANY_ID` = '3' ";
> 	if($i > 0) {
> 		$get .= "AND `" . $tierArray[$i - 1] . "` = '" . $child . "' ";
> 	}
> 	echo $get."<br />";
> 	if(!($result = mysql_query($get, $dbc))) {
> 		echo mysql_errno() . "\t" . mysql_error() . "\n";
> 		exit();
> 	}
> 	
> 	while($row = mysql_fetch_array($result)) {
> 		
> 		/* indent and display the title of this child */
> 		echo str_repeat('&nbsp;',$i).$row[$tierArray[$i]]."<br />\n";
> 		
> 		/* get the children's children */
> 		display_children($i + 1, $row[$tierArray[$i]]);
> 	}
> }
> 
> It does produce the right query for only the first child in each case, I cannot get it to go deeper. I have just been looking at it for too long. TVMIA!

Forgot to say that if I isolate any one level without recursion I get all of the results for that level.


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