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Complete required steps: 1 : Create a HTML form with the following input fields: - Session variable name ( text input field ) - Session

Complete required steps:
1: Create a HTML form with the following input fields:
- Session variable name (text input field)
- Session variable value (text input field)
2: When the user submits the form, retrieve the session variable name and value using the $_POST superglobal variable in PHP.
3: Set the session variable using the $_SESSION superglobal variable in PHP. You can set a session variable by assigning a value to a key in the $_SESSION array, like this: $_SESSION['variable_name']= 'variable_value';
4: Create a second HTML form that allows the user to select and unset a specific session variable. The form should have a dropdown menu that lists all the session variables currently set. When the user selects a session variable from the dropdown menu and submits the form, the session variable should be unset using the unset() function in PHP. You can unset a session variable like this: unset($_SESSION['variable_name']);
Test your code and make sure it works as expected.

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