Jnr PHP/Codeigniter Developer Question:
Download Questions PDF

Tell me what is the difference between $var and $$var?

Answer:

$$var sets the value of $var as a variable.

Download Jnr PHP/Codeigniter Developer Interview Questions And Answers PDF

Previous QuestionNext Question
Tell me can you use include ("abc.php") two or more times?Explain me the differences in comparison of variable values?