Explain different sorting function in php?

1137

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What is trim function in php?

1136

---

Explain some most commonly use string functions in php?

1103

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What is traits? How it is used in php?

1108

---

How to convert a string to uppercase in php?

1157

---

What is constructor and destructor?

1025

---

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

1071

---

What is the difference between associative array and indexed array?

1187

---

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

1067

---

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

1083

---

How to insert a line break in php string?

1049

---

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

1020

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

1188

---

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

1068

---

How to check an key is exists in array?

1171

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