PHP Interview Questions and Answers

array_merge merges two or more arrays into a single array, while array_combine creates an array by using one array for keys and another for values.

• array_merge merges arrays together, preserving numeric keys and reindexing the resulting array, while array_combine creates an array by using one array for keys and another for values

• array_merge can merge multiple arrays together, while array_combine requires two arrays of equal length

• Example: array_merge([1, 2], [3, 4]) returns [1...read more

A class is a blueprint for creating objects, while an object is an instance of a class.

• A class defines the properties and behaviors of objects, while an object is a specific instance of a class.

• Classes can be thought of as templates, while objects are the actual instances created from those templates.

• Multiple objects can be created from the same class, each with its own unique set of properties and behaviors.

• Classes can have inheritance, allowing them to inherit properties an...read more

PHP is a server-side scripting language used for web development.

• PHP stands for Hypertext Preprocessor.

• It is commonly used to create dynamic web pages.

• PHP can interact with databases, manage sessions, and handle forms.

• Popular websites like Facebook and WordPress are built using PHP.