How to turn off magic quotes gpc for Joomla 3?

Question

I want to turn off PHP's magic quotes. I don't have access to php.ini.

Without this I am not able to install joomla 3.xx into server.

Answer 1

For MAMP

Steps:

1. Go to MAMP application >> Preferences (button) >> PHP (tab) >> Choose 5.3.1 or greater >> choose OK .
2. Go to the MAMP folder >> bin >> php >> php5.3.26 >> conf >> edit php.ini >> add "magic_quotes_gpc = Off" a few lines above "magic_quotes_sybase = Off" .
3. Restart MAMP's servers.

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For most mainstream hosting companies running a CGI-Webinterface

Steps:

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 :

<IfModule mod_suphp.c>
  suPHP_ConfigPath /home/myusername/public_html/yourJ3folder
  <Files php.ini>
    order allow,deny
    deny from all
  </Files>
</IfModule>

Change " myusername " and " yourJ3folder " to your respective folders. The " /home/myusername/public_html/yourJ3folder " can be found via the Global Configuration:

In Joomla backend > System > System Information > [Directory Permissions] , the folder is usually the same as the log directory (but without /logs at the end).

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.htaccess for some hosts

For some hosts, add the following to the .htaccess file in the root of your site (for example /home/myusername/public_html/.htaccess )

php_flag magic_quotes_gpc off

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Yet Another Solution For Shared Hosts

create a php.ini file at your Joomla! root. Add this content to the file and save

magic_quotes_gpc = Off
magic_quotes_runtime = Off
magic_quotes_sybase = Off

Edit your .htaccess file and add this line at the top and save the file

SetEnv PHPRC /home/youruser/public_html/php.ini

Test if the error message goes away

source : How to turn off magic quotes on shared hosting?

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Another solution (for the hosts where PHP is running as FCGI module)

Works for PHP 5.3 and higher

create a .user.ini file at your Joomla! root. Add this content to the file and save

magic_quotes_gpc = Off

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SRC - https://docs.joomla.org/How_to_turn_off_magic_quotes_gpc_for_Joomla_3

Answer 2

From PHP documentation - http://php.net/manual/en/security.magicquotes.disabling.php

The magic_quotes_gpc directive may only be disabled at the system level, and not at runtime. In otherwords, use of ini_set() is not an option.

BUT

If access to the server configuration is unavailable, use of .htaccess is also an option. For example:

php_flag magic_quotes_gpc Off