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Method 1: Using the URLSearchParams Object The URLSearchParams is an interface used to provide methods that can be used to work with an URL. The URL string is first separated to get only the parameters portion of the URL. The split() method is used on the given URL with the “?” separator.
QueryParam annotation in the method parameter arguments. The following example (from the sparklines sample application) demonstrates using @QueryParam to extract query parameters from the Query component of the request URL.
The short answer is yes Javascript can parse URL parameter values. You can do this by leveraging URL Parameters to: Pass values from one page to another using the Javascript Get Method. Pass custom values to Google Analytics using the Google Tag Manager URL Variable which works the same as using a Javascript function.
What Are URL Parameters? Also known by the aliases of query strings or URL variables, parameters are the portion of a URL that follows a question mark. They are comprised of a key and a value pair, separated by an equal sign. Multiple parameters can be added to a single page by using an ampersand.
You can use the parse_url() and parse_str() for that.
$parts = parse_url($url);
parse_str($parts['query'], $query);
echo $query['email'];
If you want to get the $url dynamically with PHP, take a look at this question:
Get the full URL in PHP
All the parameters after ? can be accessed using $_GET array. So,
echo $_GET['email'];
will extract the emails from urls.
Use the parse_url() and parse_str() methods. parse_url() will parse a URL string into an associative array of its parts. Since you only want a single part of the URL, you can use a shortcut to return a string value with just the part you want. Next, parse_str() will create variables for each of the parameters in the query string. I don't like polluting the current context, so providing a second parameter puts all the variables into an associative array.
$url = "https://mysite.com/test/[email protected]&testin=123";
$query_str = parse_url($url, PHP_URL_QUERY);
parse_str($query_str, $query_params);
print_r($query_params);
//Output: Array ( [email] => [email protected] [testin] => 123 )
As mentioned in another answer, the best solution is using parse_url().
You need to use a combination of parse_url() and parse_str().
The parse_url() parses the URL and return its components that you can get the query string using the query key. Then you should use parse_str() that parses the query string and returns
values into a variable.
$url = "https://example.com/test/1234?basic=2&[email protected]";
parse_str(parse_url($url)['query'], $params);
echo $params['email']; // [email protected]
Also you can do this work using regex: preg_match()
You can use preg_match() to get a specific value of the query string from a URL.
preg_match("/&?email=([^&]+)/", $url, $matches);
echo $matches[1]; // [email protected]
preg_replace()Also you can use preg_replace() to do this work in one line!
$email = preg_replace("/^https?:\/\/.*\?.*email=([^&]+).*$/", "$1", $url);
// [email protected]
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