Which function can be used to delete a file?

1138

---

Which is true about the singleton design pattern?

896

---

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

986

---

What are the steps for the payment gateway processing?

961

---

Which is not a php magic constant?

1027

---

Which will start a session?

972

---

which will print out the php call stack?

929

---

Which is useful for method overloading?

1089

---

Which cryptographic functions in php returns the longest hash value?

951

---

What new features php7 has in store for us?

948

---

What is the correct syntax of mail() function in php?

979

---

What is the best way to change the key without changing the value of a php array element?

923

---

What is the use of namespace in php?

946

---

Which will check if a function exists?

1034

---

Which methods should be used for sending an email using the variables $to, $subject, and $body?

1049

---