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Hello everybody I want to avoid the errors that occur when I post a text that contain the ' sign and put it in a mysql query
someone told me that theres a function in php to do that
but I want to use it manually because he told me that this function doesnt allow much encoding types such as persian and arabic
I tried the following code:

require("database_connection.php"); //to handle the connection to the database
$GivenVar = str_replace("'","\\'",$GivenVar); //to replace the normal ' with \\' so that mySQL recognizes it as \' and works
mysql_query("insert into mytable(text) values('$GivenVar')",$my_connection);
echo 'Success!';

but there was no result and the message that says 'Success!' didnt appear!
HELP PLEASE

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Last Post by Pro2000
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'someone' is wrong, sanitizing filters are smarter than that,

this filter is aware of the default_charset and if a sequence of bytes is detected that makes up an invalid character in the current character set[/b] then the entire string is rejected resulting in a 0-length string.

My bold, aware of character set, if you set correct encoding everything works http://php.net/manual/en/filter.filters.sanitize.php full description all the filters available (in english, the farsi links dont work)

Edited by diafol: fixed formatting

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Thanx but ist wrong to use my code???
And whats wrong with my code why isnt it printing the required text???

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I think you should change the second line from your code so it becomes:

$GivenVar = str_replace("'",'\'',$GivenVar);

Hope it helps.

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Yes it works perfectly
Thanx
but what about the use of it instead of the function Ive talked about???

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Since you're trying to insert this text into a database, you can use the addslashes function like the following:

$GivenVar = addslashes($GivenVar)

This function puts slashes before the special characters like the single quotation mark so you avoid the manual use of the function you've written.

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