How do you use the $_POST superglobal in PHP?

  • Access the data using the $_POST['key'] syntax.
  • Access the data using the $_POST->$key syntax.
  • Access the data using the $_POST[key] syntax.
  • Access the data using the $_POST->key syntax.
To use the $_POST superglobal in PHP, you can access the submitted form data by using the $_POST['key'] syntax. The 'key' corresponds to the name attribute of the form input. For example, to access the value of an input field with name="username", you would use $_POST['username']. This allows you to retrieve and process the data submitted via an HTML form using the POST method. Learn more: https://www.php.net/manual/en/reserved.variables.post.php
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