Answer Posted / vijay

isset is used to check whether the variable is set or
not ...
where as empty is used to check whether variable contains a
value or not

How do you call a constructor for a parent class?

843

---

How to check a key exist in an array?

1016

---

Where php language is used?

936

---

What is the use session in php?

996

---

How to run the interactive php shell from the command line interface?

1036

---

Can I run php without xampp?

938

---

What are the different types of statements that are present in php?

958

---

What is the use of pear in php?

941

---

What is php mean?

990

---

I am writing an application in php that outputs a printable version of driving directions. It contains some long sentences, and I am a neat freak, and would like to make sure that no line exceeds 50 characters. How do I accomplish that with php?

886

---

How many types of session are there?

984

---

How to insert an new array element in array?

976

---

What is meant by session in php?

883

---

What is the use of mvc in php?

936

---

What changes I have to do in php.ini file for file uploading?

1008

---