How to extract text from the PDF document? [closed]

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How to extract text from the PDF document using PHP?

(I can't use other tools, I don't have root access)

I've found some functions working for plain text, but they don't handle well Unicode characters:

http://www.hashbangcode.com/blog/zend-lucene-and-pdf-documents-part-2-pdf-data-extraction-437.html

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Download the class.pdf2text.php @ https://pastebin.com/dvwySU1a or https://webcheatsheet.com/php/scripts/pdf2text.zip

Code:

include('class.pdf2text.php');
$a = new PDF2Text();
$a->setFilename('filename.pdf'); 
$a->decodePDF();
echo $a->output(); 

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• class.pdf2text.php Project Home
• pdf2textclass doesn't work with all the PDF's I've tested, If it doesn't work for you, try PDF Parser