RNFI Services PHP Software Developer Interview Questions, Process, and Tips for Freshers

Php ,laravel ,codeigniter

Q1. What is php ,do you know ord() ,what is use artisan , polymorphism
Ans. 
PHP is a server-side scripting language used for web development. ord() is a function to get ASCII value of a character. Artisan is a command-line tool in Laravel framework. Polymorphism is a concept in object-oriented programming.
• PHP is a popular server-side scripting language for web development

• ord() is a PHP function used to get the ASCII value of a character

• Artisan is a command-line tool in Laravel framework for ta...read more
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Q2. Why use interface in laravel project
Ans. 
Interfaces in Laravel projects help in achieving abstraction, flexibility, and code reusability.
• Interfaces allow for defining a contract that classes must implement, ensuring consistency and enforcing specific methods.

• Interfaces help in achieving polymorphism, allowing different classes to be used interchangeably.

• Interfaces promote code reusability by allowing multiple classes to implement the same interface.

• Interfaces...read more
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Q3. Deference for and foreach function
Ans. 
foreach is used to iterate over elements in an array, while for is used for general looping.
• foreach is specifically designed for iterating over arrays, while for can be used for any type of looping.

• foreach automatically assigns the value of the current element to a variable, while for requires manual indexing.

• foreach is more concise and easier to read for array iteration, while for may be more suitable for complex loop
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Q1. What is dependency injection
Ans. 
Dependency injection is a design pattern where components are provided with their dependencies rather than creating them internally.
• Allows for better code reusability and testability

• Reduces coupling between components

• Promotes separation of concerns

• Examples: Constructor injection, Setter injection
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Q2. Array concatenation
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