Could we start a variable with number like $4name?

916

---

Distinguish between urlencode and urldecode?

987

---

In how many ways we can retrieve the data in the result set of mysql using php?

941

---

How can we extract string "pcds.co.in" from a string "https://info@pcds.co.in" using regular expression of php? More on reg can you explain

988

---

How to fix "headers already sent" error in php

1059

---

How to count all the lines of code in a directory and sub folder?

965

---

What is htaccess? Why do we use this and where?

986

---

For image work which library is used in php?

989

---

How to track no of user logged in?

1016

---

Define object-oriented methodology?

1031

---

How do you connet mysql database with php?

1067

---

what the new feature add in php 7.2?

971

---

Are php short tags acceptable to use?

943

---

What is constructors and destructors?

920

---

What is use of header() function in php?

1027

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