$type = gettype( $code );
if( $type === 'object' ) {
$addmsg = " of class " . get_class( $code );
+ } else {
+ $addmsg = '';
}
throw new MWException( __METHOD__ . " must be passed a string, $type given$addmsg" );
}
}
/**
- * An arrow, depending on the language direction
+ * An arrow, depending on the language direction.
*
+ * @param $direction String: the direction of the arrow: forwards (default), backwards, left, right, up, down.
* @return string
*/
- function getArrow() {
- return $this->isRTL() ? '←' : '→';
+ function getArrow( $direction = 'forwards' ) {
+ switch ( $direction ) {
+ case 'forwards':
+ return $this->isRTL() ? '←' : '→';
+ case 'backwards':
+ return $this->isRTL() ? '→' : '←';
+ case 'left':
+ return '←';
+ case 'right':
+ return '→';
+ case 'up':
+ return '↑';
+ case 'down':
+ return '↓';
+ }
}
/**