PHP block_coupon helper::get_coupon_logo示例

 /**
  * Create a new instance
  *
  * @param string $titlestring
  */
 public function __construct($titlestring)
 {
     global $CFG;
     $this->namestring = $titlestring;
     $this->generatordate = date('Y-m-d', time());
     parent::__construct('P', 'mm', 'A4', true, 'UTF-8');
     $this->SetFont('helvetica', '', 12);
     $this->SetCreator('PDF Generator build 1.0');
     $this->SetAuthor('Sebsoft PDF Generator build 1.0');
     $this->SetTitle(get_string('pdf-meta:title', 'block_coupon'));
     $this->SetSubject(get_string('pdf-meta:subject', 'block_coupon'));
     $this->SetKeywords(get_string('pdf-meta:keywords', 'block_coupon'));
     $this->SetHeaderMargin(0);
     $this->SetFooterMargin(0);
     $this->SetMargins(0, 0, 0, true);
     // L-T-R.
     $this->SetAutoPageBreak(false, 0);
     $fn = helper::get_coupon_logo();
     if (file_exists($fn)) {
         $this->logo = $fn;
     }
 }