how to make a changerate.php file for: Read a file: rate.php Find string : 'USD' => '0.33' Put '0.33' value in an editable textbox. I can change this value, let's say to 0.35; I Have an Update Button, when I press, the new value (0.35) change with old value (0.33) in rate.php like this: 'USD' => '0.35'
Any help will be deeply apreciated Adi