PHP Interview Questions
PHP Constants
PHP constants are name or identifier that can't be changed during the execution of the script except for mag...
PHP $ and $$ Variables
The $var (single dollar) is a normal variable with the name var that stores any value like...
PHP Variable Scope
The scope of a variable is defined as its range in the program under which it can be accessed. In other words, "...
PHP Variables
In PHP, a variable is declared using a $ sign followed by the variable...
PHP echo Vs print
PHP echo and print Statements We frequently use the echo statement to display the output. There are two b...
