blocks|key|1991933|text|我以前也这么做过。我有一个我用fpdf生成的pdf，我需要在它上面添加不同数量的pdf。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1991934|所以我已经有了一个fpdf对象和页面设置(http://www.fpdf.org/)，我使用fpdi来导入文件(http://www.setasign.de/products/pdf-php-solutions/fpdi/)，fpdi是通过扩展PDF类添加的：|offset|length|1991935|class+PDF+extends+FPDI
{

}+



++++$pdffile+=+"Filename.pdf";
++++$pagecount+=+$pdf->setSourceFile($pdffile);++
++++for($i=0;+$i<$pagecount;+$i%2B%2B){
++++++++$pdf->AddPage();++
++++++++$tplidx+=+$pdf->importPage($i%2B1,+'/MediaBox');
++++++++$pdf->useTemplate($tplidx,+10,+10,+200);+
++++}|code-block|syntax|javascript|1991936|这基本上使每个pdf成为一个图像，以放入您的另一个pdf。在我需要它的地方，它工作得非常好。|1991937|entityMap|0|LINK|mutability|MUTABLE|url|http://www.fpdf.org/|1|http://www.setasign.de/products/pdf-php-solutions/fpdi/^0|0|L|K|0|1K|1J|1|0|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@]|9|@$D|Y|E|Z|1|10]|$D|11|E|12|1|13]]|A|$]]|$1|F|3|G|5|H|7|14|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|15|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]|U|$5|P|Q|R|A|$S|V]]]]

I've done this before. I had a pdf that I generated with fpdf, and I needed to add on a variable amount of PDFs to it. 

So I already had an fpdf object and page set up (http://www.fpdf.org/)
And I used fpdi to import the files (http://www.setasign.de/products/pdf-php-solutions/fpdi/)
FDPI is added by extending the PDF class:

<pre><code>class PDF extends FPDI
{

} 



 $pdffile = "Filename.pdf";
 $pagecount = $pdf-&gt;setSourceFile($pdffile); 
 for($i=0; $i&lt;$pagecount; $i++){
 $pdf-&gt;AddPage(); 
 $tplidx = $pdf-&gt;importPage($i+1, '/MediaBox');
 $pdf-&gt;useTemplate($tplidx, 10, 10, 200); 
 }
</code></pre>

This basically makes each pdf into an image to put into your other pdf. It worked amazingly well for what I needed it for.

blocks|key|1991950|text|下面是php+PDF+merge命令。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1991951|$fileArray=+array("name1.pdf","name2.pdf","name3.pdf","name4.pdf");

$datadir+=+"save_path/";
$outputName+=+$datadir."merged.pdf";

$cmd+=+"gs+-q+-dNOPAUSE+-dBATCH+-sDEVICE=pdfwrite+-sOutputFile=$outputName+";
//Add+each+pdf+file+to+the+end+of+the+command
foreach($fileArray+as+$file)+{
++++$cmd+.=+$file."+";
}
$result+=+shell_exec($cmd);|code-block|syntax|javascript|1991952|我忘记了我找到它的地方的链接，但它工作得很好。|1991953|注意:您应该安装gs+(在linux上，也可能在Mac上)或Ghostscript+(在windows上)才能正常工作。|1991954|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

Below is the php PDF merge command.

<pre><code>$fileArray= array("name1.pdf","name2.pdf","name3.pdf","name4.pdf");

$datadir = "save_path/";
$outputName = $datadir."merged.pdf";

$cmd = "gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=$outputName ";
//Add each pdf file to the end of the command
foreach($fileArray as $file) {
 $cmd .= $file." ";
}
$result = shell_exec($cmd);
</code></pre>

I forgot the link from where I found it, but it works fine.

Note: You should have gs (on linux and probably Mac), or Ghostscript (on windows) installed for this to work.

blocks|key|1991973|text|myokyawhtun的解决方案最适合我(使用PHP5.4)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1991974|但是你仍然会得到一个错误--我用下面的方法解决了这个问题：|1991975|fpdf_tpl.php的第269行-将函数参数更改为：|1991976|function+Image($file,+$x=null,+$y=null,+$w=0,+$h=0,+$type='',+$link='',$align='',+$resize=false,+$dpi=300,+$palign='',+$ismask=false,+$imgmask=false,+$border=0)+{+|code-block|syntax|javascript|1991977|我也在fpdf.php的898行做了同样的更改|1991978|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Q|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|R|8|@]|9|@]|A|$I|J]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

myokyawhtun's solution worked best for me (using PHP 5.4)

You will still get an error though - I resolved using the following:

Line 269 of fpdf_tpl.php - changed the function parameters to:

<pre><code>function Image($file, $x=null, $y=null, $w=0, $h=0, $type='', $link='',$align='', $resize=false, $dpi=300, $palign='', $ismask=false, $imgmask=false, $border=0) { 
</code></pre>

I also made this same change on line 898 of fpdf.php

blocks|key|1778430|text|$cmd+=+"gs+-q+-dNOPAUSE+-dBATCH+-sDEVICE=pdfwrite+-sOutputFile=".$new."+".implode("+",+$files);
shell_exec($cmd);|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1778431|Chauhan答案的简化版本|unstyled|1778432|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>$cmd = "gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=".$new." ".implode(" ", $files);
shell_exec($cmd);
</code></pre>

A simplified version of Chauhan's answer

blocks|key|1992022|text|我在FPDI上创建了一个抽象层(可以容纳其他引擎)。我将其发布为依赖于库的Symfony2包，以及库本身。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1992023|The+bundle|offset|length|1992024|The+Library|1992025|用法：|1992026|public+function+handlePdfChanges(Document+$document,+array+$formRawData)
{
++++$oldPath+=+$document->getUploadRootDir($this->kernel)+.+$document->getOldPath();
++++$newTmpPath+=+$document->getFile()->getRealPath();

++++switch+($formRawData['insertOptions']['insertPosition'])+{
++++++++case+PdfInsertType::POSITION_BEGINNING:
++++++++++++//+prepend+
++++++++++++$newPdf+=+$this->pdfManager->insert($oldPath,+$newTmpPath);
++++++++++++break;
++++++++case+PdfInsertType::POSITION_END:+
++++++++++++//+Append
++++++++++++$newPdf+=+$this->pdfManager->append($oldPath,+$newTmpPath);
++++++++++++break;
++++++++case+PdfInsertType::POSITION_PAGE:+
++++++++++++//+insert+at+page+n:+PdfA={p1;+p2;+p3},+PdfB={pA;+pB;+pC}+
++++++++++++//+insert(PdfA,+PdfB,+2)+will+render+{p1;+pA;+pB;+pC;+p2;+p3}+
++++++++++++$newPdf+=+$this->pdfManager->insert(
++++++++++++++++++++$oldPath,+$newTmpPath,+$formRawData['insertOptions']['pageNumber']
++++++++++++++++);
++++++++++++break;
++++++++case+PdfInsertType::POSITION_REPLACE:+
++++++++++++//+does+nothing.+overrides+old+file.
++++++++++++return;
++++++++++++break;
++++}
++++$pageCount+=+$newPdf->getPageCount();
++++$newPdf->renderFile($mergedPdfPath+=+"$newTmpPath.merged");
++++$document->setFile(new+File($mergedPdfPath,+true));
++++return+$pageCount;
}|code-block|syntax|javascript|1992027|entityMap|0|LINK|mutability|MUTABLE|url|https://packagist.org/packages/docdigital/pdf-manager-bundle|1|https://packagist.org/packages/docdigital/pdf-manager^0|0|0|A|0|0|0|B|1|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Z|8|@]|9|@$D|10|E|11|1|12]]|A|$]]|$1|F|3|G|5|6|7|13|8|@]|9|@$D|14|E|15|1|16]]|A|$]]|$1|H|3|I|5|6|7|17|8|@]|9|@]|A|$]]|$1|J|3|K|5|L|7|18|8|@]|9|@]|A|$M|N]]|$1|O|3|-4|5|6|7|19|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]|W|$5|R|S|T|A|$U|X]]]]

I created an abstraction layer over FPDI (might accommodate other engines).
I published it as a Symfony2 bundle depending on a library, and as the library itself.

<a href="https://packagist.org/packages/docdigital/pdf-manager-bundle" rel="nofollow">The bundle</a>

<a href="https://packagist.org/packages/docdigital/pdf-manager" rel="nofollow">The Library</a>

usage:

<pre><code>public function handlePdfChanges(Document $document, array $formRawData)
{
 $oldPath = $document-&gt;getUploadRootDir($this-&gt;kernel) . $document-&gt;getOldPath();
 $newTmpPath = $document-&gt;getFile()-&gt;getRealPath();

 switch ($formRawData['insertOptions']['insertPosition']) {
 case PdfInsertType::POSITION_BEGINNING:
 // prepend 
 $newPdf = $this-&gt;pdfManager-&gt;insert($oldPath, $newTmpPath);
 break;
 case PdfInsertType::POSITION_END: 
 // Append
 $newPdf = $this-&gt;pdfManager-&gt;append($oldPath, $newTmpPath);
 break;
 case PdfInsertType::POSITION_PAGE: 
 // insert at page n: PdfA={p1; p2; p3}, PdfB={pA; pB; pC} 
 // insert(PdfA, PdfB, 2) will render {p1; pA; pB; pC; p2; p3} 
 $newPdf = $this-&gt;pdfManager-&gt;insert(
 $oldPath, $newTmpPath, $formRawData['insertOptions']['pageNumber']
 );
 break;
 case PdfInsertType::POSITION_REPLACE: 
 // does nothing. overrides old file.
 return;
 break;
 }
 $pageCount = $newPdf-&gt;getPageCount();
 $newPdf-&gt;renderFile($mergedPdfPath = "$newTmpPath.merged");
 $document-&gt;setFile(new File($mergedPdfPath, true));
 return $pageCount;
}
</code></pre>

blocks|key|1992051|text|我已经尝试过类似的问题，并且工作正常，试一下。它可以处理PDF之间的不同方向。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1992052|++++//+array+to+hold+list+of+PDF+files+to+be+merged
++++$files+=+array("a.pdf",+"b.pdf",+"c.pdf");
++++$pageCount+=+0;
++++//+initiate+FPDI
++++$pdf+=+new+FPDI();

++++//+iterate+through+the+files
++++foreach+($files+AS+$file)+{
++++++++//+get+the+page+count
++++++++$pageCount+=+$pdf->setSourceFile($file);
++++++++//+iterate+through+all+pages
++++++++for+($pageNo+=+1;+$pageNo+<=+$pageCount;+$pageNo%2B%2B)+{
++++++++++++//+import+a+page
++++++++++++$templateId+=+$pdf->importPage($pageNo);
++++++++++++//+get+the+size+of+the+imported+page
++++++++++++$size+=+$pdf->getTemplateSize($templateId);

++++++++++++//+create+a+page+(landscape+or+portrait+depending+on+the+imported+page+size)
++++++++++++if+($size['w']+>+$size['h'])+{
++++++++++++++++$pdf->AddPage('L',+array($size['w'],+$size['h']));
++++++++++++}+else+{
++++++++++++++++$pdf->AddPage('P',+array($size['w'],+$size['h']));
++++++++++++}

++++++++++++//+use+the+imported+page
++++++++++++$pdf->useTemplate($templateId);

++++++++++++$pdf->SetFont('Helvetica');
++++++++++++$pdf->SetXY(5,+5);
++++++++++++$pdf->Write(8,+'Generated+by+FPDI');
++++++++}
++++}|code-block|syntax|javascript|1992053|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I have tried similar issue and works fine, try it. It can handle different orientations between PDFs.

<pre><code> // array to hold list of PDF files to be merged
 $files = array("a.pdf", "b.pdf", "c.pdf");
 $pageCount = 0;
 // initiate FPDI
 $pdf = new FPDI();

 // iterate through the files
 foreach ($files AS $file) {
 // get the page count
 $pageCount = $pdf-&gt;setSourceFile($file);
 // iterate through all pages
 for ($pageNo = 1; $pageNo &lt;= $pageCount; $pageNo++) {
 // import a page
 $templateId = $pdf-&gt;importPage($pageNo);
 // get the size of the imported page
 $size = $pdf-&gt;getTemplateSize($templateId);

 // create a page (landscape or portrait depending on the imported page size)
 if ($size['w'] &gt; $size['h']) {
 $pdf-&gt;AddPage('L', array($size['w'], $size['h']));
 } else {
 $pdf-&gt;AddPage('P', array($size['w'], $size['h']));
 }

 // use the imported page
 $pdf-&gt;useTemplate($templateId);

 $pdf-&gt;SetFont('Helvetica');
 $pdf-&gt;SetXY(5, 5);
 $pdf-&gt;Write(8, 'Generated by FPDI');
 }
 }
</code></pre>

My concept is - there are 10 pdf files in a website. User can select some pdf files and then select merge to create a single pdf file which contains the selected pages. How can i do this with php?

Merge PDF files with PHP

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我的概念是-在一个网站中有10个pdf文件。用户可以选择一些pdf文件，然后选择合并来创建包含所选页面的单个pdf文件。我怎么用php做到这一点呢？

问将PDF文件与PHP合并
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