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File: class.pdffile-loadContents.php

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  Classes of Laurens Ramandt  >  PDF print  >  class.pdffile-loadContents.php  >  Download  
File: class.pdffile-loadContents.php
Role: Auxiliary script
Content type: text/plain
Description: Modified version of the script to allow direct input of PDF contents, instead of loading from a file.
Class: PDF print
Alter a PDF document to make it print when opened
Author: By
Last change: Changed listing priority
Date: 4 years ago
Size: 2,104 bytes
 

Contents

Class file image Download
<?php
// Written by Laurens Ramandt
class pdfFile{
    private
$filename;
    private
$fcontents;
    private
$lastObjectEnd;
    private
$newObjectNr;
    private
$insertedPrintCode=false;
   
    private function
pdf_getHighestObjNr($pdfContents){
       
preg_match_all('[\d+\s0\s(obj)]', $pdfContents, $matches);
       
        for(
$i=0; $i<=count($matches[0])-1; $i++){
           
$matches[0][$i] = str_replace(" 0 obj", "", $matches[0][$i]);
        }
        return
max($matches[0]);
    }
   
    private function
pdf_getLastObjEnd($pdfContents){
        return
strripos($pdfContents, "endobj" . chr(13) . "xref" . chr(13) . "0")+strlen("endobj" . chr(13));
    }
       
    public function
__construct($filename, $pdfContents="")
    {
        if(
strlen($filename) > 0){
           
$this->filename = $filename;
           
$this->fcontents = file_get_contents($filename) or die("Incorrect filename");
        }elseif(
strlen($pdfContents)>0){
           
$this->filename = "";
           
$this->fcontents = $pdfContents;
        }else{
            die(
"Couldn't load any PDF contents");
        }
       
       
$this->lastObjectEnd = $this->pdf_getLastObjEnd($this->fcontents);
       
$this->newObjectNr = $this->pdf_getHighestObjNr($this->fcontents)+1;
    }
       
    public function
insertPrintCode(){
        if(!
$this->insertedPrintCode){
           
$insertion="";
           
$insertion .= ($this->newObjectNr) . " 0 obj" . chr(13);
           
$insertion .= "<</S/JavaScript/JS(this.print\({bUI:true,bSilent:false,bShrinkToFit:true}\);)>>";
           
$insertion .= chr(13) . "endobj";
           
$this->fcontents = substr_replace($this->fcontents, $insertion . chr(13),$this->lastObjectEnd,0);
           
$this->fcontents = str_replace("/Type /Catalog ", "/Type /Catalog " . chr(13) . "/OpenAction " . $this->newObjectNr . " 0 R", $this->fcontents);
           
$this->insertedPrintCode=true;
        }
    }
   
    public function
saveAs($filename){
        @
unlink($filename);
       
$h=fopen($filename, "w+");
       
fwrite($h, $this->fcontents);
       
fclose($h);
    }
   
    public function
getFileContents(){
        return
$this->fcontents;
    }
   
    public function
__toString(){
       
header("Content-type: application/pdf");
       
$this->insertPrintCode();
        return
$this->getFileContents();
    }
}
?>