How do you check if a variable has not been set in php?

681

Differentiate echo vs. Print statement.

708

What are the advantages of stored procedures, triggers, indexes in php?

715

What is the difference between get & post ?

754

What is lazy loading in php?

681

Tell me what library is used for pdf in php?

700

What type of language is php?

720

Explain the difference between isset() and empty()?

692

How to find the position of the first occurrence of a substring in a string?

739

What is difference between echo and print in php?

681

How do you remove duplicates from an array?

823

How many escape sequences are recognized in single-quoted strings?

682

What is the use of ajax in php?

686

Explain what does the unset() function means?

761

iam mca post graduate in 2010 not getting job in JAVA so iam looking for carear in php as market demand is high so it is best option to try for php or not

1622