I am trying to return a variable from a recursive function. If the recursive
function gets called, the nothing is returned. For example, below I am
trying to get the category_array2 variable returned. It works if the
recursive function within the IF statement does not get called, but if it
does, it does not pass back the variable.
Any help would be greatly appreciated. I am tearing hair at this point!
-tom
showMasterCategories($year, $model_id, $syear_model_id, $keyword, $make_id,
$display_mode, $catid)
{
$category_array2[$i] = getParent($category_id, $year_model_id, $i, $catid);
}
function getGrandParent($cat_id, $year_model_id, $x) {
// to get highest level category "master category"
$query = "SELECT distinct C2.category_id, C2.category, CC2.category_id ";
$query .= " FROM CATEGORY C2, CHILD_CATEGORY CC, CHILD_CATEGORY CC2";
$query .= " where C2.category_id = CC.category_id and CC.child_category_id
= $cat_id and CC2.child_category_id = C2.category_id";
//print "$query";
$result99 = mysql_query($query)
or die("Query failed - $query");
list( $ch_category_id, $category, $pcategory_id) =
mysql_fetch_row($result99);
if ($pcategory_id == 0) {
print "PARENT=> $category:$pcategory_id:$year_model_id: $x<br>";
$category_array2[$x] = "$category:$ch_category_id:$year_model_id";
print "just before returning: $category_array2[$x]";
return $category_array2[$x];
$x = $x + 1;
} else {
print "<br>cat-> $category id->$ch_category_id<br>";
getGrandParent($ch_category_id, $year_model_id, $x);
}
//print "$query";
//$result_set = mysql_num_rows($result);
}
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