PHP Basics: Variables, Data Types, Operators, Control Structures, and Functions
php"><?php $value1 = 1111; $value2 = 2222; $value2 = &$value1; $value1 = 8888; echo $value2; // Outputs 8888 \nVariables in PHP start with a $ symbol. Variable names must begin with a letter or an underscore, can only contain letters, numbers, and underscores, cannot have spaces, and...