hey people,
i would like to know how can i
a) retrieve the image file information using PHP and by information i mean Image filesize, Image Dimensions, Image Title, Image Authors, Image Tags etc
b) decode PDF files and read the actual sensible content in it using PHP
c) unzip zip folders and get file contents of the resultant files using PHP
d) decode docx, pptx, xlsx and other Microsoft files and read the actual sensible content in it using PHP
hmm.....btw how does Google does all these while indexing??