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Allows for adding of PDFs as strings #21

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Allows for adding of PDFs as strings #21

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38 changes: 38 additions & 0 deletions PDFMerger.php
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ class PDFMerger
{
private $_files; //['form.pdf'] ["1,2,4, 5-19"]
private $_fpdi;
private $_temp_filenames = array();

/**
* Merge PDFs.
Expand All @@ -36,6 +37,15 @@ public function __construct()
require_once('fpdi/fpdi.php');
}

/**
* Merge PDFs.
* @return void
*/
public function __destruct()
{
$this->cleanTempFiles();
}

/**
* Add a PDF for inclusion in the merge with a valid file path. Pages should be formatted: 1,3,6, 12-16.
* @param $filepath
Expand All @@ -61,6 +71,22 @@ public function addPDF($filepath, $pages = 'all')
return $this;
}

/**
* Add a PDF as a raw string (created by TCPDF?) for inclusion in the merge. Pages should be formatted: 1,3,6, 12-16.
* @param $raw_pdf_string
* @param $pages
* @return void
*/
public function addRawPDF($raw_pdf_string, $pages = 'all')
{
$temp_name = tempnam(sys_get_temp_dir(), 'PDFMerger');
if (@file_put_contents($temp_name, $raw_pdf_string) === false) {
throw new Exception("Unable to create temporary file");
}
$this->_temp_filenames[] = $temp_name;
return $this->addPDF($temp_name, $pages);
}

/**
* Merges your provided PDFs and outputs to specified location.
* @param $outputmode
Expand Down Expand Up @@ -130,6 +156,18 @@ public function merge($outputmode = 'browser', $outputpath = 'newfile.pdf')


}

/**
* Delete the temporary files created for the merge
* @return void
*/
public function cleanTempFiles()
{
foreach($this->_temp_filenames as $temp_name){
@unlink($temp_name);
}
$this->_temp_filenames = array();
}

/**
* FPDI uses single characters for specifying the output location. Change our more descriptive string into proper format.
Expand Down