php - how to turn off magic quotes in .htaccess file for joomla?

Create a php.ini or php5.ini file with the following:

magic_quotes_gpc = Off

Put it in your Joomla 3 root. Then change the htaccess.txt in your Joomla 3 root to .htaccess. Add the following lines to the .htaccess file (at the top), don't forget to change php.ini to php5.ini when applicable :

  suPHP_ConfigPath /home/myusername/public_html/yourJ3folder
  
    order allow,deny
    deny from all
  

note: dont forget to change suPHP_ConfigPath with your path

reference from https://docs.joomla.org/How_to_turn_off_magic_quotes_gpc_for_Joomla_3