What is null value in php?

1049

---

What is the difference between $message and $$message in php?

1018

---

What is the use of htmlspecialchars in php?

1001

---

What is varchar mysql?

1183

---

Php error constants and their descriptions

1188

---

Why delimiter is used in mysql?

1072

---

What are soundex() and metaphone() functions in php?

908

---

What are advantages of .htaccess?

955

---

What is overriding in php?

1095

---

What is polymorphism in php?

997

---

What is mysql_real_escape_string used for?

983

---

What is in php 7?

1026

---

What is warning – “cannot modify header information – headers already sent”?

1077

---

How do you debug php?

990

---

What does a delimiter do in mysql?

1061

---