private function view_header() {
        global $OUTPUT;
        admin_externalpage_setup('manage' . $this->subtype . 'plugins');
        // Print the page heading.
        echo $OUTPUT->header();
        echo $OUTPUT->heading(get_string('manage' . $this->subtype . 'plugins', 'assign'));
    }
private function view_header() {
        global $OUTPUT;
        admin_externalpage_setup('manage' . $this->subtype . 'plugins');
        // Print the page heading.
        echo $OUTPUT->header();
        echo $OUTPUT->heading(get_string('manage' . $this->subtype . 'plugins', 'assign'));
    }
private function view_header ( ) { global $ OUTPUT ; admin_externalpage_setup ( 'manage' . $ this -> subtype . 'plugins' ) ; // Print the page heading. echo $ OUTPUT -> header ( ) ; echo $ OUTPUT -> heading ( get_string ( 'manage' . $ this -> subtype . 'plugins' , 'assign' ) ) ; }
Write the page header

@return None
Write the page header