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How-to articles, tricks, and solutions about URL

Java URL encoding of query string parameters

To URL encode the query string parameters of a URL in Java, you can use the URLEncoder class from the java.net package.

java encoding http url urlencode

Passing multiple variables to another page in url

There are several ways to pass variables from one PHP page to another.

php url session variables

PHP check if url parameter exists

To check if a URL parameter exists in PHP, you can use the isset function.

php url url-parameters

PHP ini file_get_contents external url

To use the file_get_contents function to retrieve the contents of an external URL in PHP, you will first need to ensure that the allow_url_fopen directive is enabled in your php.ini file.

php url ini file-get-contents external

Post Requests with cURL

cURL is applied for making requests with different protocols. A post request can send user collected data to a server. Find out how to do that accurately.

php http url curl post

Proper URL forming with a query string and an anchor hashtag

To form a proper URL with a query string and an anchor hashtag in PHP, you can use the http_build_query() function to create the query string and concatenate it to the base URL using the ?

php url wordpress standards url-fragment

Request string without GET arguments

In PHP, you can use the $_SERVER['REQUEST_URI'] variable to get the request string without GET arguments.

php http url query-string

Simplest way to read JSON from a URL in Java

To read JSON from a URL in Java, you can use the readJsonFromUrl() method from the JSON simple library.

json java url

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