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I applied via Naukri.com and was interviewed in May 2021. There were 5 interview rounds.
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posted on 20 Apr 2023
Array sorting in PHP is the process of arranging the elements of an array in a specific order.
PHP provides various sorting functions like sort(), rsort(), asort(), arsort(), ksort(), krsort(), etc.
sort() function sorts the array in ascending order based on the values.
rsort() function sorts the array in descending order based on the values.
asort() function sorts the array in ascending order based on the values while mai...
Merging two arrays in PHP
Use array_merge() function to merge two or more arrays
The resulting array will have all the values from the input arrays
Keys are preserved unless they are numeric and there are duplicates
I applied via LinkedIn and was interviewed in Feb 2024. There were 3 interview rounds.
30 mins 30 question with easy problems
10 mins gd easy topic
A closure is a function that has access to its own scope, the scope in which it was defined, and the global scope.
A closure is created when a function is defined inside another function.
The inner function has access to the variables and parameters of the outer function, even after the outer function has finished executing.
Closures are useful for creating private variables and functions in JavaScript.
They can also be us...
Encapsulation is the process of hiding internal details and providing a public interface for accessing and manipulating data.
Encapsulation bundles data and methods together into a single unit.
It helps in achieving data abstraction and data hiding.
By encapsulating data, we can control access to it and prevent unauthorized modifications.
Encapsulation promotes code reusability and maintainability.
Example: A class in objec...
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows for code reuse and promotes the concept of hierarchy.
The class that is being inherited from is called the superclass or base class.
The class that inherits from the superclass is called the subclass or derived class.
The subclass can access the public and protected members of the s...
Abstraction is the process of simplifying complex systems by focusing on essential details.
Abstraction involves hiding unnecessary details and exposing only relevant information.
It allows developers to create models or representations that capture the essential aspects of a system.
Abstraction helps in managing complexity, improving code reusability, and enhancing maintainability.
For example, in object-oriented programm...
Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
Polymorphism is a fundamental concept in object-oriented programming.
It enables code reusability and flexibility.
Polymorphism can be achieved through method overriding and method overloading.
Example: A parent class Animal can have multiple child classes like Dog, Cat, and Bird. They can ...
I applied via Naukri.com and was interviewed in Aug 2023. There was 1 interview round.
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
Coding test with 2 questions
I applied via Campus Placement and was interviewed in Sep 2023. There were 4 interview rounds.
There were 3 coding questions on Hacker Earth platform for 1 hour 15min and 1 question from array and 2 questions from strings.
I applied via Referral and was interviewed in Feb 2024. There were 2 interview rounds.
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A closure is a function that has access to its outer function's variables, even after the outer function has returned.
A closure is created when a function is defined inside another function.
It allows for private variables and functions in JavaScript.
Closures are used for data hiding, encapsulation, and creating modules.
Example: function outer() { var x = 10; function inner() { console.log(x); } return inner; } var clos
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