What is HTTP POST?
HTTP POST is a request method of a Hypertext Transfer Protocol (HTTP). The POST request is usually used to submit an HTML form or upload files and images to the server. The HTTP POST request may or may not contain data. The POST data is included in the body of the POST message. The HTTP POST method differs from HTTP GET and HEAD requests in that POST requests can change the server's state.
What is PHP Curl Library?
Curl allows you to interact with servers through different types of protocols, including HTTP, HTTPS, FTP, and others. The Libcurl library supports HTTPS certificates, HTTP GET, HTTP POST, PUT, PATCH, and other HTTP methods, proxy, cookies, user authentication, and HTML forms based upload. To use PHP Curl components, you need to install libcurl 7.10.5 or later and compile PHP with Curl support.
What is HTML Form?
HTML Form is a section of an HTML document that includes controls such as text and password input fields, checkboxes, radio buttons, and a Submit button, enclosed in an HTML <form> tag. HTML forms gather user input and send it to a server for processing. An example of an HTML login form.