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mysql real escape


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See Example 1 at the php.net link that shlumph posted.


The most general purpose way is to use sprintf since it separates the php syntax as much as possible from the sql syntax. It's also very similar to how you would form a query using prepared statements, so when you are ready to move onto that step, things will already look familiar.

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As @PFMaBiSmAd mentioned above using sprintf - http://en.wikipedia.org/wiki/SQL_injection (take a look at Escaping )


$query = sprintf("SELECT * FROM `Users` WHERE UserName='%s' AND Password='%s'",


Best way to prevent SQL injection is prepared statements and parametrical queries, using PDO or mysqli.

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