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Xyz Company PHP Developer Interview Questions and Answers
Xyz Company PHP Developer Interview Experiences
1 interview found
(2 Questions)
- Q1. Why use php ?
- Ans.
PHP is a popular server-side scripting language used for web development.
PHP is easy to learn and use for web development.
PHP has a large community and extensive documentation for support.
PHP is compatible with various operating systems and web servers.
PHP can be embedded directly into HTML code for dynamic web pages.
PHP can interact with databases like MySQL to create dynamic content.
- Q2. Php popular framewrk?.
Skills evaluated in this interview
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Interview Questionnaire
8 Questions
- Q1. How many array function & string function is there in PHP?
- Ans.
PHP has over 100 array functions and over 200 string functions.
Array functions include: array_push(), array_pop(), array_merge(), array_slice(), etc.
String functions include: strlen(), str_replace(), substr(), strtolower(), etc.
PHP also has functions for working with regular expressions, dates, and more.
The exact number of functions may vary depending on the version of PHP being used.
- Q2. What is ajax? how many attributes?
- Ans.
Ajax is a technique used to update parts of a web page without reloading the entire page. It stands for Asynchronous JavaScript and XML.
Ajax allows for asynchronous communication between the client and server.
It uses JavaScript to send and receive data from the server without interfering with the display and behavior of the existing page.
Ajax can be used to dynamically update content, submit forms without refreshing th...
- Q3. Findout count of dublicate record in mysql & write a query
- Ans.
Query to find count of duplicate records in MySQL
Use GROUP BY clause to group the records by the column(s) that may have duplicates
Use HAVING clause to filter out the groups with count less than 2
Use COUNT() function to count the number of records in each group
- Q4. What is helpers in coddeigniter?
- Ans.
Helpers in CodeIgniter are utility functions that assist in common tasks and can be used throughout the application.
Helpers are standalone functions that can be loaded and used anywhere in the application.
They provide a way to avoid writing repetitive code by providing ready-to-use functions.
CodeIgniter comes with a set of built-in helpers, such as URL, Form, File, and Date helpers.
Custom helpers can also be created to...
- Q5. What is MVC?
- Ans.
MVC is a software architectural pattern that separates an application into three main components: Model, View, and Controller.
Model represents the data and business logic of the application.
View is responsible for displaying the data to the user.
Controller handles user input, updates the model, and interacts with the view.
MVC promotes separation of concerns and improves code organization and maintainability.
Example: In...
- Q6. What is diff bet array_merge and array_combine?
- Ans.
array_merge merges two or more arrays into one, while array_combine creates an array by using one array for keys and another for its values.
array_merge combines the values of two or more arrays into a single array
array_combine creates an array using one array for keys and another for its values
array_merge preserves numeric keys, while array_combine uses the first array for keys and the second for values
array_merge can ...
- Q7. How my db engine present in mysql?
- Ans.
MySQL has multiple storage engines including InnoDB, MyISAM, and more.
MySQL has a pluggable storage engine architecture
InnoDB is the default storage engine for MySQL
MyISAM is another popular storage engine
Other storage engines include Memory, CSV, and more
- Q8. What is diff bet myisam & innodb?
- Ans.
MyISAM is faster but doesn't support transactions, while InnoDB is slower but supports transactions and foreign keys.
MyISAM is the default storage engine for MySQL, while InnoDB is an alternative.
MyISAM is faster for read-heavy applications, while InnoDB is better for write-heavy applications.
MyISAM doesn't support transactions or foreign keys, while InnoDB does.
MyISAM uses table-level locking, while InnoDB uses row-le...
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Software Developer Intern Interview Questions & Answers
JPMorgan Chase & Co.
Anonymous
posted on 24 Oct 2024
I applied via AmbitionBox and was interviewed in Sep 2024. There was 1 interview round.
(2 Questions)
- Q1. What challenge you faced in the professional environment and how you resolved it?
- Q2. How your prior work experience relates to this role requirement?
I applied via LinkedIn and was interviewed in Jun 2024. There were 2 interview rounds.
The assessment consisted of two moderate-level questions related to data structures and algorithms, focusing on strings and 2D arrays, within a time frame of 45 minutes. In the web development section, there were 15 questions each from React and Angular.
(2 Questions)
- Q1. What is object-oriented programming (OOP), and can you explain the concepts of shallow copy and deep copy? Additionally, what technology stack would you choose for a project, and what are the reasons behin...
- Ans.
OOP is a programming paradigm based on the concept of objects, with shallow copy creating a new object with references to the original, and deep copy creating a new object with copies of the original's values.
OOP is a programming paradigm that focuses on objects and classes.
Shallow copy creates a new object that references the original object's data.
Deep copy creates a new object with copies of the original object's da...
- Q2. What are the features of the project?
- Ans.
The project features include real-time data processing, machine learning algorithms, and user-friendly interface.
Real-time data processing for instant updates
Machine learning algorithms for predictive analysis
User-friendly interface for easy navigation
Interview Preparation Tips
Junior Software Developer Interview Questions & Answers
State Street Corporation
Anonymous
posted on 7 Aug 2024
(1 Question)
- Q1. Wht is tuple and how it is dif from list
- Ans.
A tuple is an immutable collection of elements, while a list is a mutable collection in Python.
Tuples are created using parentheses (), while lists are created using square brackets []
Tuples are immutable, meaning their elements cannot be changed once defined
Lists are mutable, allowing for elements to be added, removed, or modified
Tuples are typically used for fixed collections of items, while lists are used for dynami
Skills evaluated in this interview
(1 Question)
- Q1. Coin change problem
(1 Question)
- Q1. .net related questions
(1 Question)
- Q1. Functional knowledge
(1 Question)
- Q1. Discussion of salary and position
I applied via Campus Placement
(1 Question)
- Q1. Tell about a time where you had competing demands from stakeholders.
Software Developer Intern Interview Questions & Answers
Morgan Stanley
Anonymous
posted on 21 Dec 2023
I applied via Referral and was interviewed in Jun 2023. There were 3 interview rounds.
3 questions of medium to hard coding questions.
(1 Question)
- Q1. Technical interview including SQL, one programming language, and dbms based questions. the interview went well and was of 90mins.
Full Stack Software Developer Interview Questions & Answers
Morningstar
Anonymous
posted on 18 Oct 2022
There are 30 questions Mixed with Aptitude, AWS, OS
(2 Questions)
- Q1. 1. what is OOPS Concept?
- Ans.
OOPS (Object-Oriented Programming) is a programming paradigm that uses objects to represent and manipulate data.
OOPS focuses on the concept of objects, which are instances of classes.
It emphasizes encapsulation, inheritance, and polymorphism.
Encapsulation ensures data hiding and abstraction.
Inheritance allows classes to inherit properties and behaviors from other classes.
Polymorphism enables objects to take on multiple...
- Q2. Database questions and data structure questions?
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