You have think or searched that what is $ and $$, if yes then, your search end here. $$var is known as reference variable where as $var is normal variable, in the same way program can create the variable name it can create any other string. Let us take a example to understand:- <?php […]
Print and echo both are language constructs that means the PHP compiler knows the exact syntax of the echo/print() statement. Language constructs act like some keywords, they already defined by the compiler. Let come to the Differences:- echo do not return anything while print() return value(1). echo is a statement that is used to […]