Ticket #8252: int_aware_trim.diff

wp-includes/post.php

@@ -1677 +1677 @@
         if ( empty($tags) )
                 $tags = array();
         $tags = (is_array($tags)) ? $tags : explode( ',', trim($tags, " \n\t\r\0\x0B,") );
-        $tags = array_map('trim', $tags); //Trim whitespace from around the tags.
+        $tags = array_map('wp_type_aware_trim', $tags); //Trim whitespace from around the tags.
         wp_set_object_terms($post_id, $tags, 'post_tag', $append);
 }
 

wp-includes/functions.php

@@ -2895 +2895 @@
         return version_compare(phpversion(), '5.0') < 0 ? $object : clone($object);
 }
 
-
+/**
+ * Trim without making integers to strings
+ *
+ * Returns a trimmed string or a integer
+ *
+ * @since 2.7.0
+ *
+ * @param string $string The string to be trimmed
+ * @param string $charlist Possible charlist parameter for trim command
+ * @return string/integer Trimmed string or integer value
+ */
+function wp_type_aware_trim( $string, $charlist = false ) {
+    if ( is_int( $string ) )
+        return $string;
+    else {
+        if ( $charlist )
+            return trim( $string, $charlist );
+        else
+            return trim( $string );
+    }
+    return $string;
+}
 ?>