Month: March 2020

PHP $$var uses the value of the variable whose name is the value of $var. It means $$var is known as reference variable where as $var is normal variable.

PHP $GLOBALS $GLOBALS is a PHP very worldwide variable which is utilized to get to worldwide factors from anyplace in the PHP content (additionally from inside capacities or strategies).  PHP stores every worldwide variable in a cluster called $GLOBALS[index]. The file holds the name of the variable. Example #1 Using global Example #2 Using $GLOBALS… Continue reading PHP Superglobal – $GLOBALS

Some predefined variables in PHP are “superglobals”, which means that they are always accessible, regardless of scope – and you can access them from any function, class or file without having to do anything special. Superglobal variables are:  $GLOBALS  $_SERVER  $_GET  $_POST  $_FILES  $_COOKIE  $_SESSION  $_REQUEST  $_ENV *We will explain in detail about these superglobal… Continue reading What is Superglobals variable in php ?

Foreach Loop:- 1> Foreach loop used when you have an array, without array it’s not worked. 2> Loop working at the end of array count. i.e. an array have 4 value then loop run 4 times. 3> Syntax is :       $array = array(“C”,”C++”,”JAVA”,”PHP”);          foreach($array as $language ){  … Continue reading Difference Between For loop and Foreach loop in PHP