t3lib_div_GPmerged is a function used in TYPO3, which is a PHP-based content management system. It is used to retrieve values from a global variable called $_POST, and merge them with values from another global variable called $_GET. This is useful in situations where HTML form data can be sent either via POST or GET methods, and the values need to be used in the same way regardless of which method is used.
Here are some example uses of t3lib_div_GPmerged:
Example 1: Simple form submission
If you have a form with a text field called "name" and a submit button, the following code could be used to retrieve the value of the "name" field regardless of whether the form was submitted via POST or GET:
$name = t3lib_div::_GPmerged('name');
Example 2: Form submission with default value
If you want to provide a default value for the "name" field that will be used if the field is not submitted, you can use the following code:
$name = t3lib_div::_GPmerged('name', 'John Doe');
Example 3: Retrieving multiple values
If you have multiple fields, you can use the following code to retrieve an array of values from both $_POST and $_GET:
This will return an array with two elements, containing the values of the "name" and "email" fields.
Package library: TYPO3 Core Library (t3lib)
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