Question

Object Questioon URGENT

Asked by: rjohnsonjr

Let's Say we have this:


$pdf                   = new FPDF();




then I have a function

      
      function parse_pdf_info( $text,$indent=0 )
      {
            #Stuff
}


Then I have

 parse_pdf_info($text);


How Do I use $pdf object inside the parse_pdf_info   function?


Thanks!

Randy

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Asked On
2005-02-16 at 22:27:25ID21318093
Tags

fpdf

Topic

PHP Scripting Language

Participating Experts
3
Points
500
Comments
12

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Answers

 

by: venkateshwarrPosted on 2005-02-16 at 22:52:21ID: 13332156

try this..
<?php
require('fpdf.php');

$pdf=new FPDF();
$pdf->Open();
$pdf->AddPage();
$pdf->SetFont('Arial','B',16);
$pdf->Cell(0,100,$text);
$pdf->Output();
?>

http://pgsql.designmagick.com/include/fpdf/tutorial/tuto1.htm

 

by: venkateshwarrPosted on 2005-02-16 at 22:55:15ID: 13332163

     $pdf=new FPDF($orientation ,'mm','A4');
      $pdf->open();
      $pdf->addPage();
      writePDF($pdf,$text);

 

by: rjohnsonjrPosted on 2005-02-16 at 22:57:09ID: 13332170

I don't want examples, I am looking at someelse's code and need to fix it.

Thanks!

Randy

 

by: matt_mcswainPosted on 2005-02-16 at 23:36:07ID: 13332361

Are you talking about $this?


 function parse_pdf_info( $text,$indent=0 )
   {
     echo  $this->classvariable;
    $this->method();

}

 

by: venkateshwarrPosted on 2005-02-17 at 00:59:46ID: 13332777

There are couple of ways depending on your requirement

if $pdf is a global variable:

function parse_pdf_info( $text,$indent=0 )
{
     global $pdf;
       
     #use $pdf
     #Stuff
}

or pass $pdf to function

function parse_pdf_info($pdfvar, $text,$indent=0 )
{
     #use $pdfvar  
     #Stuff
}

parse_pdf_info($pdf,$text);

 

by: ThGPosted on 2005-02-17 at 03:18:02ID: 13333445


stick to the global $pdf solution, because second solution is not good. you would get an object duplication, which is not what you want.

maybe something like this, if you really want to pass the object as parameter:

function parse_pdf_info(&$pdfvar, $text,$indent=0 )
{
     #use $pdfvar  
     #Stuff
}

parse_pdf_info($pdf,$text);

 

by: matt_mcswainPosted on 2005-02-17 at 07:35:05ID: 13335546

>>because second solution is not good. you would get an object duplication

Doesn't the Zend Engine's copy-on-write approach prevent this?

 

by: ThGPosted on 2005-02-17 at 08:29:12ID: 13336233

matt_mcswain, Zend has copy on write?
hmm that would be nice but it's quite hard to track those kind of stuff..because i may then duplicate the reference and store it somewhere else.. well, it would be hard.

 

by: matt_mcswainPosted on 2005-02-17 at 08:57:19ID: 13336617

>>because i may then duplicate the reference and store it somewhere else..
Exactly! :)
Evidently it implements a reference count system which actually causes passing by reference to be a performance loss in most cases.
I presume the performance gains by not dupping anything unless it has to, outways the loss of passing by reference.
I found this out awhile ago buried in the back of one of my php books. It was contributed to by Zeev Suraski so I assume it's trustworthy.
Finding good links has not been easy; this is the best i could do for now.

http://www.hudzilla.org/php/18_1_11.php
http://us2.php.net/manual/en/features.php
http://lists.nyphp.org/pipermail/talk/2003-October/006204.html

 

by: ThGPosted on 2005-02-17 at 10:23:12ID: 13337455

thank you for the information. the first link is indeed very interesting.

 

by: rjohnsonjrPosted on 2005-02-18 at 08:22:19ID: 13347148

I found out that the reason the script stopped working because the server upgraded to php5 so I was not able to figure anything out so I am looking for recommendations on how to close this question.  I will give you points because I have learned some, you all tell me how to distribute

Thanks!

Randy

 

by: rjohnsonjrPosted on 2005-08-22 at 04:15:15ID: 14723125

You guys ever decide how you want the points distributed so I can close this out?

Randy

20120131-EE-VQP-002

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