PHP-CheatSheet

# Global o'zgaruvchilari

kod ma'nosi
$GLOBALS global uzgaruvchilar
$_SERVER
$_REQUEST
$_POST post surovi
$_GET get surovi
$_FILES
$_ENV
$_COOKIE
$_SESSION

$_SERVER - это суперглобальная переменная PHP, которая содержит информацию о заголовках, путях и расположении скриптов.

Element/Code Description
$_SERVER['PHP_SELF'] Returns the filename of the currently executing script
$_SERVER['GATEWAY_INTERFACE'] Returns the version of the Common Gateway Interface (CGI) the server is using
$_SERVER['SERVER_ADDR'] Returns the IP address of the host server
$_SERVER['SERVER_NAME'] Returns the name of the host server (such as www.w3schools.com)
$_SERVER['SERVER_SOFTWARE'] Returns the server identification string (such as Apache/2.2.24)
$_SERVER['SERVER_PROTOCOL'] Returns the name and revision of the information protocol (such as HTTP/1.1)
$_SERVER['REQUEST_METHOD'] Returns the request method used to access the page (such as POST)
$_SERVER['REQUEST_TIME'] Returns the timestamp of the start of the request (such as 1377687496)
$_SERVER['QUERY_STRING'] Returns the query string if the page is accessed via a query string
$_SERVER['HTTP_ACCEPT'] Returns the Accept header from the current request
$_SERVER['HTTP_ACCEPT_CHARSET'] Returns the Accept_Charset header from the current request (such as utf-8,ISO-8859-1)
$_SERVER['HTTP_HOST'] Returns the Host header from the current request
$_SERVER['HTTP_REFERER'] Returns the complete URL of the current page (not reliable because not all user-agents support it)
$_SERVER['HTTPS'] Is the script queried through a secure HTTP protocol
$_SERVER['REMOTE_ADDR'] Returns the IP address from where the user is viewing the current page
$_SERVER['REMOTE_HOST'] Returns the Host name from where the user is viewing the current page
$_SERVER['REMOTE_PORT'] Returns the port being used on the user's machine to communicate with the web server
$_SERVER['SCRIPT_FILENAME'] Returns the absolute pathname of the currently executing script
$_SERVER['SERVER_ADMIN'] Returns the value given to the SERVER_ADMIN directive in the web server configuration file (if your script runs on a virtual host, it will be the value defined for that virtual host) (such as someone@w3schools.com)
$_SERVER['SERVER_PORT'] Returns the port on the server machine being used by the web server for communication (such as 80)
$_SERVER['SERVER_SIGNATURE'] Returns the server version and virtual host name which are added to server-generated pages
$_SERVER['PATH_TRANSLATED'] Returns the file system based path to the current script
$_SERVER['SCRIPT_NAME'] Returns the path of the current script
$_SERVER['SCRIPT_URI'] Returns the URI of the current page

PHP $_REQUEST - это суперглобальная переменная PHP, которая используется для сбора данных после отправки HTML-формы.










 






<html>
	<body>
		<form method="post" action="<?=$_SERVER['PHP_SELF']?>">
		  Name: <input type="text" name="fname">
		  <input type="submit">
		</form>

		<?php
			if ($_SERVER["REQUEST_METHOD"] == "POST") {
			  $name = $_REQUEST['fname'];
			  echo (empty($name)) ? "Name is empty" : $name;
			}
		?>
	</body>
</html>

post/get










 






<html>
	<body>
		<form method="post" action="<?=$_SERVER['PHP_SELF']?>">
		  Name: <input type="text" name="fname">
		  <input type="submit">
		</form>

		<?php
		if ($_SERVER["REQUEST_METHOD"] == "POST") {
		  $name = $_POST['fname'];
		  echo (empty($name)) ? "Name is empty" : $name;
		}
		?>
	</body>
</html>

PHP $_GET - это суперглобальная переменная PHP, которая используется для сбора данных формы после отправки HTML-формы с помощью method = "get".




 




<html>
	<body>
		<?php
			echo "Study ".$_GET['subject']." at ".$_GET['web'];
		?>
	</body>
</html>
Global o'zgaruvchilari