* if an array is given as first argument).
*/
protected function setMwGlobals( $pairs, $value = null ) {
- if ( !is_array( $pairs ) ) {
- $key = $pairs;
- $this->mwGlobals[$key] = $GLOBALS[$key];
- $GLOBALS[$key] = $value;
- } else {
- foreach ( $pairs as $key => $value ) {
+
+ // Normalize (string, value) to an array
+ if( is_string( $pairs ) ) {
+ $pairs = array( $pairs => $value );
+ }
+
+ foreach ( $pairs as $key => $value ) {
+ // NOTE: make sure we only save the global once or a second call to
+ // setMwGlobals() on the same global would override the original
+ // value.
+ if ( !array_key_exists( $key, $this->mwGlobals ) ) {
$this->mwGlobals[$key] = $GLOBALS[$key];
- $GLOBALS[$key] = $value;
}
+
+ // Override the global
+ $GLOBALS[$key] = $value;
}
}