How can PHP developers efficiently extract specific values from a URL query string?

To efficiently extract specific values from a URL query string in PHP, developers can use the `parse_str` function to parse the query string into an associative array, and then access the specific values using the array keys. 

$url = "http://example.com/page.php?name=John&age=30";

$queryString = parse_url($url, PHP_URL_QUERY);
parse_str($queryString, $params);

$name = $params['name'];
$age = $params['age'];

echo "Name: " . $name . "<br>";
echo "Age: " . $age;

Keywords

PHP URL query string $_GET parse_str explode

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