Answer Posted / ramse

Unset can be used for empty the value of variable or
contents of file but unlink destroy file.

Is null function in php?

574

---

What is the difference between characters  and #?

540

---

How can you retrieve a cookie value?

558

---

Explain what does the unset() function means?

585

---

How to randomly retrieve a value from an array?

559

---

---

Why do we use javascript in php?

533

---

What is singleton design pattern in php?

565

---

Write a program to find no of days between two dates in php?

523

---

What are the differences between mysqli_connect and mysqli_pconnect?

541

---

What is the use of curl()?

642

---

Is array empty php?

508

---

How can you send email in php?

560

---

What is json php?

541

---

Write a program to display reverse of any number?

517

---

Which is a perfect example of runtime polymorphism?

537

---