What is the difference between $message and $$message?

Ads
 

What is the difference between $message and $$message?

What is the difference between $message and $$message?

View Answers

November 13, 2010 at 3:45 PM

$Message = "first";
$first= "second";

echo $message //Output   first
echo $$message //output  second

It means $message is a variable and $$Message is variable of variable

A variable of variable allows us to change the name of variable dynamically.

Thanks

Ads









Related Tutorials/Questions & Answers:
What is the difference between $message and $$message?
difference between $message and $$message
Advertisements
What is the difference between the >> and >>> operators?
what is the difference between extends and implements
what is the difference between extends and implements
What is the difference between PHP4 and PHP5?
What is difference between a PROCEDURE & FUNCTION ?
what is the Difference between weblogic and jboss?
what is the difference between pop and oop
What is the difference between hibernate and spring
What is the difference between a constructor and a method?
What is difference between the java and javascript?
What is the difference between a JDK and a JVM?
What is difference between Path and Classpath?
What is difference between TRUNCATE & DELETE
What is the difference between JPA and Hibernate?
What is difference between the java and javascript?
What is difference between singleton and prototype bean?
what is the difference between distributed application and web application?
What’s the difference between load() and get()?
What is the difference between ereg_replace() and eregi_replace()?
What is the difference between the functions unlink and unset?
What are the difference between abstract class and interface?
What’s the difference between include and require?
What is the difference between JSF, Servlet and JSP?
what is difference between objectan primitive? - Java Beginners
what is the difference between productList==null and productList.size()==0
What are difference between Bean Factory and Application Context ?
What is the difference between the Boolean & operator and the && operator?
what is the difference between the eclipse and myeclipse - IDE Questions
What is the difference between component and tag in JSF?

Ads