1

pdf form writer - php pdf modify

http://www.google.co.in/search?q=forge_fdf

Write date in pdf forms. Fill in pdf forms using this hack.

www.pdfhacks.com/forge_fdf/

www.accesspdf.com/pdftk/

2

diff bet echo vs print

http://fabien.potencier.org/article/8/print-vs-echo-which-one-is-faster

diff bet echo vs print