debugging php coding error

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I have Alstrasoft Groupon Clone software written in php. There is an annoying bug in the software that pops up every time I try to write an apostrophe (') or quotation mark (") for a new deal that I am trying to write. I have tried substituting "'" but the results are inconsistant and the problem needs to be fixed.

Skills required:
PHP, Software Architecture
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