Fix and simplify p_get_metadata key looping

explode converts $string (false) to string ("") and returns it if $delimiter is
not found, therefor looking for the key "" in metadata array.

1 files changed, 1 insertions, 2 deletions

diff --git a/inc/parserutils.php b/inc/parserutils.php
index cb8bc079d..4bec3ab1d 100644
--- a/inc/parserutils.php
+++ b/inc/parserutils.php
@@ -244,8 +244,7 @@ function p_get_metadata($id, $key='', $render=false){
     $val = $meta['current'];
 
     // filter by $key
-    foreach(explode(' ', trim($key), 2) as $cur_key) {
-        $cur_key = trim($cur_key);
+    foreach(preg_split('/\s+/', $key, 2, PREG_SPLIT_NO_EMPTY) as $cur_key) {
         if (!isset($val[$cur_key])) {
             return null;
         }