What is meant by ‘passing the variable by value and reference' in php?

951

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Which functions are used to count the total number of array elements in php?

1000

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What is the use of $_request variable?

982

---

What is a persistence cookie?

900

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What are the uses of implode() function?

1048

---

Which function is used in php to search a particular value in an array?

869

---

Does php support multiple inheritances?

962

---

What are the differences between mysqli_connect and mysqli_pconnect?

965

---

What are the uses of explode() and implode() functions?

1034

---

Which functions are used to remove whitespaces from the string?

1115

---

What is the difference between for and foreach loop in php?

1052

---

How can a cross-site scripting attack be prevented by php?

955

---

What are the uses of explode() function?

1011

---

Why do we use php?

924

---

How can you execute php script from the command line?

969

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