How can URL parameters be accessed and used in PHP scripts?

To access and use URL parameters in PHP scripts, you can use the $_GET superglobal array. This array contains key-value pairs of all the parameters passed in the URL. You can access a specific parameter by using its key within the $_GET array. Example PHP code snippet: 

// Assuming the URL is http://example.com/index.php?id=123
if(isset($_GET['id'])){
    $id = $_GET['id'];
    echo "ID parameter value is: " . $id;
} else {
    echo "ID parameter not found in the URL";
}

Keywords

URL parameters PHP scripts access use $_GET

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