Answer Posted / rajesh

Lot of scope with job openings in lots of MNC

What is the difference between die () and exit () in php?

513

---

What does nan stand for computer science?

500

---

How can we determine whether a php variable is an instantiated object of a certain class?

524

---

What is the major php security hole? How to avoid?

551

---

What is super () python?

533

---

---

what is difference between PHP4 , PHP5

1895

---

Does php has a future?

491

---

So if md5() generates the most secure hash, why would you ever use the less secure crc32() and sha1()?

554

---

What is php sequence?

529

---

Why php was called as personal home page?

540

---

What is difference between print_r and echo in php?

496

---

Can we learn php without html?

548

---

Explain difference between urlencode and urldecode?

556

---

Explain the casts allowed in PHP?

583

---

Explain what are some new features introduced in php7?

491

---