PHP how to make a query post

Learn how to send post requests with PHP, including an example of the code used.

Example of a Query Post Using PHP

When you need to send data from a web application to a server, you need to make a query post using PHP. This is a process of sending data from a form or other data source to a server. PHP provides a built-in function to make a query post, which is called file_get_contents(). This function allows you to send a query post to a server and get the response back in a variable.

In order to use the file_get_contents() function, you need to pass two parameters. The first parameter is the URL of the server to which you want to make the query post. The second parameter is an array of data that you want to post to the server. This array should contain the key-value pairs of data that you want to send.

$url = 'http://example.com/api';
$data = array(
   'name' => 'John',
   'email' => '[email protected]'
);
 
$result = file_get_contents($url, false, stream_context_create(array(
    'http' => array(
        'method'  => 'POST',
        'header'  => 'Content-type: application/x-www-form-urlencoded',
        'content' => http_build_query($data)
    )
)));

The code above sends the query post to the server using the URL specified in the $url variable. It also sends an array of data in the $data variable. The http_build_query() function is used to create a valid query post from the array. The stream_context_create() function is used to set the request method and the request headers for the query post.

Once the query post is sent, the file_get_contents() function returns the response from the server in the $result variable. The response can be a string, an array or an object, depending on the server response. You can then use the response to do whatever you need to do with it.

In conclusion, making a query post in PHP is easy and straightforward. You can use the file_get_contents() function to send the post and get the response. You just need to set the URL and the data that you want to send and the rest is handled by the function.