$_GET

How to Use $_SERVER['QUERY_STRING'] Properly

July 20, 2013December 1, 2022

$_SERVER['QUERY_STRING'] Let's see a snippet of PHP code, which will generate three similar output: <?php echo $_SERVER['QUERY_STRING'] . "<br />"; echo urldecode($_SERVER['QUERY_STRING']) . "<br />";… Read More »

How to Distinguish the Scope of Superglobals in PHP

July 17, 2013November 25, 2022

The superglobals in PHP are: $GLOBALS $_SERVER $_GET $_POST $_FILES $_COOKIE $_SESSION $_REQUEST $_ENV Don't be confused by the name of superglobals, their scopes vary… Read More »

How to Parse Variables in a String

July 13, 2013December 11, 2022

Parse error: syntax error, unexpected '' To use a plain-old variable to represent the element of array is a safe way in a double-quotes string.… Read More »