JSON with special character text in PHP with MySQL

If you want to use JSON with special characters text to write to MySQL database or read from MySQL database using javascript and PHP, follow the below steps

To save/write JSON with special character text,
In Javascript
1) Do encodeURIComponent to the value to be submitted in javascript before POST

In PHP
1) Do stripslashes of the received POST data
2) Do mysql_real_escape_string before insert or update SQL statement

To pass back special character text via JSON from database,
In PHP
1) Do json_encode before creating JSON string (Note: Do not include " before and after the encoded json value.)