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Outputs $_POST or $_GET variable values using shortcodes.

Super duper uberly useful on tracking scripts on eCommerce thank you pages.

Example:

• $_POST['email'] > [post_var name="email"]
• $_GET['txn_id'] > [get_var name="txn_id"]

For Array values :

• $_POST['user']['email'] > [post_var] name="user[email]" [/post_var]
• $_GET['user']['first_name'] > [get_var] name="user[first_name]" [/get_var]
• $_GET['user']['address']['line1'] > [get_var] name="user[address][line1]" [/get_var]

Note: Remember to wrap the name attribute in double quotes (").