Explain different sorting function in php?

1064

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What is trim function in php?

1071

---

Explain some most commonly use string functions in php?

1014

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What is traits? How it is used in php?

1055

---

How to convert a string to uppercase in php?

1053

---

What is constructor and destructor?

971

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

1013

---

What is the difference between associative array and indexed array?

1081

---

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

994

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

1012

---

How to insert a line break in php string?

992

---

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

965

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

1083

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

1007

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How to check an key is exists in array?

1082

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