PHP Regular Expressions – Remove Comments From SQL Text

This short block of PHP code takes a SQL script and removes the “dash-dash” and “/**/” comments from it.  Of course, many languages, including PHP itself, use the “/**/” comment style so this could apply to PHP scripts, as well.

The line that removes the dash-dash style comments could easily be changed to the “//” (slash-slash) style.

Notice the use of percent-signs as delimiters to eliminate the need of escaping forward-slashes.

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