Pop\Pdf\Pdf::finalize PHP Метод

    public function finalize()
    {
        $this->output = null;
        // Define some variables and initialize the trailer.
        $numObjs = count($this->objects) + 1;
        $this->trailer = "xref\n0 {$numObjs}\n0000000000 65535 f \n";
        // Calculate the root object lead off.
        $byteLength = $this->calcByteLength($this->objects[$this->root]);
        $this->bytelength += $byteLength;
        $this->trailer .= $this->formatByteLength($this->bytelength) . " 00000 n \n";
        $this->output .= $this->objects[$this->root];
        // Loop through the rest of the objects, calculate their size and length for the xref table and add their data to the output.
        foreach ($this->objects as $obj) {
            if ($obj->index != $this->root) {
                if ($obj instanceof Object\Object && $this->compress && !$obj->isPalette() && !$obj->isCompressed()) {
                    $obj->compress();
                }
                $byteLength = $this->calcByteLength($obj);
                $this->bytelength += $byteLength;
                $this->trailer .= $this->formatByteLength($this->bytelength) . " 00000 n \n";
                $this->output .= $obj;
            }
        }
        // Finalize the trailer.
        $this->trailer .= "trailer\n<</Size {$numObjs}/Root {$this->root} 0 R/Info {$this->info} 0 R>>\nstartxref\n" . ($this->bytelength + 68) . "\n%%EOF";
        // Append the trailer to the final output.
        $this->output .= $this->trailer;
        // Write to the file.
        $this->write($this->output);
        return $this;
    }