IFILE

IFile is a framework completely free, licensed under GNU/LGPL Version 2.
With iFile can improve your applications written in PHP 5 allows for indexing and searching within documents.
Its facility of use allows to use it in any context or domain.
In fact one of the fundamental aspects on which is based is the ability to read texts in the documents as PDF, DOC or Excel (iFile, to date, supports 13 formats) and find the words to them.
Until recently this meant that the text in the files, PDF or other formats, published on a website could not be searched.
The traceability of the contents of files in search results on its own website, emphasizes the importance of allowing the search of all content within their website.