implode can take its arguments in either order, but let's try to be consistent

1 files changed, 29 insertions, 26 deletions

diff --git a/include/text.php b/include/text.php
index 10bbc751a..35a367d43 100644
--- a/include/text.php
+++ b/include/text.php
@@ -2160,6 +2160,35 @@ function ids_to_querystr($arr,$idx = 'id',$quote = false) {
 }
 
 /**
+ * @brief array_elm_to_str($arr,$elm,$delim = ',') extract unique individual elements from an array of arrays and return them as a string separated by a delimiter
+ * similar to ids_to_querystr, but allows a different delimiter instead of a db-quote option 
+ * empty elements (evaluated after trim()) are ignored.
+ * @param $arr array
+ * @param $elm array key to extract from sub-array
+ * @param $delim string default ','
+ * @returns string
+ */
+
+function array_elm_to_str($arr,$elm,$delim = ',') {
+
+	$tmp = [];
+	if($arr && is_array($arr)) {
+		foreach($arr as $x) {
+			if(is_array($x) && array_key_exists($elm,$x)) {
+				$z = trim($x[$elm]);
+				if(($z) && (! in_array($z,$tmp))) {
+					$tmp[] = $z;
+				}
+			}
+		}
+	}
+	return implode($delim,$tmp);
+}
+
+
+
+
+/**
  * @brief Fetches xchan and hubloc data for an array of items with only an
  * author_xchan and owner_xchan.
  *
@@ -3263,29 +3292,3 @@ function purify_filename($s) {
 }
 
 
-/**
- * @brief array_elm_to_str($arr,$elm,$delim = ',') extract unique individual elements from an array of arrays and return them as a string separated by a delimiter
- *  
- * empty elements (evaluated after trim()) are ignored.
- * @param $arr array
- * @param $elm array key to extract from sub-array
- * @param $delim string default ','
- * @returns string
- */
-
-function array_elm_to_str($arr,$elm,$delim = ',') {
-
-	$tmp = [];
-	if($arr && is_array($arr)) {
-		foreach($arr as $x) {
-			if(is_array($x) && array_key_exists($elm,$x)) {
-				$z = trim($x[$elm]);
-				if(($z) && (! in_array($z,$tmp))) {
-					$tmp[] = $z;
-				}
-			}
-		}
-	}
-	return implode($tmp,$delim);
-}
-