What is constructor and destructor?

930

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How to check a variable is array or not in php?

938

---

What is the difference between associative array and indexed array?

991

---

What are the difference between abstract class and interface in oops?

942

---

What is the use of is_array() and in_array()?

958

---

How to insert a line break in php string?

942

---

How to count a number of words in a string in php?

918

---

What is the difference between array_merge() and array_merge_recursive() in php?

1001

---

How to check if a string contains a character or word in php?

968

---

How to check an key is exists in array?

1011

---

Which array function checks if the particular key exists in the array?

849

---

What is the use of strpos in php?

991

---

What is explode() in php?

951

---

How many types of array supported in php?

923

---

How to calculate the length of a string?

1023

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