ID:               46556
 Updated by:       [EMAIL PROTECTED]
 Reported By:      taco at procurios dot nl
 Status:           Open
 Bug Type:         PDO related
 Operating System: linux
 PHP Version:      5.2.6
-Assigned To:      
+Assigned To:      johannes
 New Comment:

Maybe something for PDOv2 or mysqli?


Previous Comments:
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[2008-11-12 15:56:53] taco at procurios dot nl

Description:
------------
There is no good method to escape a string for use in a (mySQL) LIKE
clause. In a query like "SELECT `foo` FROM `bar` WHERE `baz` LIKE '%" .
$qux . "%'" the value of $qux should be escaped for both the query
itself (like PDO::quote() does) as the LIKE clause (i.e. escaping % and
_ characters.

Using PDO the only way to escape a variable is using either
PDOStatement::bindParam() or PDO::quote(). The first is not suitable for
two reasons:
1. Not every query is a prepared statement
2. There is no way to escape % and _ (escaping them first will result
in the \ being escaped: \% becomes \\%)

The latter is not suitable because it will add quotes to the string, so
you'll have to get rid of the quotes, escape % and _ and add the result
to the query.



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