Changeset 1823

Timestamp:

10/20/2004 09:28:37 PM (22 years ago)

Author:

rboren

Message:

Introducing add_query_arg() and remove_query_arg(). Props: Owen Winkler.

Location:

trunk

Files:

• wp-admin/options.php (modified) (1 diff)
• wp-includes/functions.php (modified) (1 diff)

trunk/wp-admin/options.php

@@ -66 +66 @@
     }
     
-        $referred = str_replace('?updated=true' , '', $_SERVER['HTTP_REFERER']);
-        $goback = str_replace('?updated=true', '', $_SERVER['HTTP_REFERER']) . '?updated=true';
+                //$referred = str_replace('?updated=true' , '', $_SERVER['HTTP_REFERER']);
+                $referred = remove_query_arg('updated' , $_SERVER['HTTP_REFERER']);
+                //$goback = str_replace('?updated=true', '', $_SERVER['HTTP_REFERER']) . '?updated=true';
+                $goback = add_query_arg('updated', 'true', $_SERVER['HTTP_REFERER']);
         $goback = preg_replace('|[^a-z0-9-~+_.?#=&;,/:]|i', '', $goback);
     header('Location: ' . $goback);

trunk/wp-includes/functions.php

@@ -2246 +2246 @@
 }
 
+/*
+add_query_arg: Returns a modified querystring by adding
+a single key & value or an associative array.
+Setting a key value to emptystring removes the key.
+Omitting oldquery_or_uri uses the $_SERVER value.
+
+Parameters:
+add_query_arg(newkey, newvalue, oldquery_or_uri) or
+add_query_arg(associative_array, oldquery_or_uri)
+*/
+function add_query_arg() {
+        $ret = '';
+        if(is_array(func_get_arg(0))) {
+                $uri = @func_get_arg(1);
+        }
+        else {
+                $uri = @func_get_arg(2);
+        }
+        if ('' == $uri) {
+                $uri = $_SERVER['REQUEST_URI'];
+        }
+        if (strstr($uri, '?')) {
+                $parts = explode('?', $uri, 2);
+                if (1 == count($parts)) {
+                        $base = '?';
+                        $query = $parts[0];
+                }
+                else {
+                        $base = $parts[0] . '?';
+                        $query = $parts[1];
+                }
+        }
+        else {
+                $base = $uri . '?';
+                $query = '';
+        }
+        parse_str($query, $qs);
+        if (is_array(func_get_arg(0))) {
+                $kayvees = func_get_arg(0);
+                $qs = array_merge($qs, $kayvees);
+        }
+        else
+    {
+                        $qs[func_get_arg(0)] = func_get_arg(1);
+    }
+
+        foreach($qs as $k => $v)
+    {
+                        if($v != '')
+        {
+                                        if($ret != '') $ret .= '&';
+                                        $ret .= "$k=$v";
+        }
+    }
+        $ret = $base . $ret;   
+        return trim($ret, '?');
+}
+
+function remove_query_arg($key, $query) {
+        add_query_arg($key, '', $query);
+}
 ?>