HTTP
Getting HTTP request information via cURL2022-07-06T17:50:00.000Z
The PHP function curl_getinfo() provides detailed information about the executed cURL request. This article explains the meaning of each field. Example usage Call the function over the result of the context from curl_init(): $ch = curl_init(); curl_s…
HTTP status codes2021-04-10T16:59:21.000Z
In HTTP communication, so-called state codes' are transmitted, which is information about how the transfer was made. I'm sure you know that a200code means success and a404` code means a non-existent page. Status codes are divided into several groups…
API in PHP2020-02-16T15:35:13.000Z
An API (Application programming interface) is an abstract programming interface for simplifying communication between multiple types of software. If you're figuring out how to implement an API for your web site, I recommend the Structured REST API li…
Data sending methods (GET and POST)2019-11-26T10:38:32.000Z
In addition to the regular variables, we also have so-called superglobal variables in PHP, which carry information about the currently called page and the data we are passing. Typically, we have a form on a page that the user fills in and we want to…
Sessions - server cookies in PHP2019-11-06T16:06:18.000Z
Often we need to store more information in cookies, but the maximum limit for cookies is 4 kB, which is not much. Sessions solves this problem by storing the data on the web server, and only stores a short identifier in the client's browser to tell w…
Processing ajax POST requests in PHP2019-11-01T08:56:02.000Z
While developing ajax Vue.js applications, after years I finally found out how to use ajax in PHP and how to receive data by POST method. The superglobal variable $_POST is only available for forms In PHP, the superglobal variable $_POST is commonly…
Cookies in PHP2019-09-11T08:18:29.000Z
Warning: This article was written many years ago and some information may be outdated or incorrect. Please bear this in mind when reading. Cookies are small pieces of textual information stored in a website visitor's browser. They are always transfer…
Getting parameters from URL by GET method2019-08-22T18:48:46.000Z
You know, you have a page open, you follow the URL and you see a question mark with some parameters. An inexperienced programmer would think that these are separate files, but lo and behold. Try to create a file that has a question mark in its name (…
Receiving data by POST method2019-08-22T18:48:46.000Z
Sending data by POST is quite different from GET, it is safer, the text can be longer and its value cannot be determined except by a form or a header (which you will not get by mistake). Source Source is not that different from the GET method. It's p…