Basics
PHP Arrays
Working with PHP Arrays
PHP arrays use indexed or associative formats, with array() or [].
Introduction to PHP Arrays
PHP arrays are versatile data structures that allow you to store multiple values in a single variable. Arrays in PHP can be either indexed by numbers or associative, using named keys. This makes them extremely useful for handling collections of data within your PHP applications.
Indexed Arrays
Indexed arrays use numeric indices to access their elements. The index of the first element is 0, the second is 1, and so on. You can declare an indexed array using the array() function or by using square brackets [].
Associative Arrays
Associative arrays use named keys that you assign to them. This allows you to access values using meaningful keys rather than numeric indices, making your code more readable and maintainable.
Multidimensional Arrays
PHP supports multidimensional arrays, which are arrays that contain other arrays. These can be indexed or associative and are useful for storing complex data structures.
Manipulating Arrays
PHP provides a wide range of functions to manipulate arrays, such as adding or removing elements, sorting, and more. Let's explore some common operations.
Conclusion
Arrays are a fundamental part of PHP programming, providing a flexible way to manage collections of data. Whether you're using indexed or associative arrays, understanding how to create and manipulate them is essential for effective PHP development. As you continue learning, you'll encounter more advanced array-related functions that can further enhance your coding capabilities.
Basics
- Introduction
- Installation
- Running Code
- Syntax
- Variables
- Data Types
- Numbers
- Strings
- Booleans
- Type Conversion
- Operators
- Ternary Operator
- Nullsafe Operator
- If Else
- Switch
- While Loops
- For Loops
- Arrays
- Functions
- Arguments
- Scope
- Errors
- Debugging
- Classes
- Inheritance
- Interfaces
- Traits
- Anonymous Classes
- Attributes
- Security Basics
- Best Practices
- Echo / Print
- Constants
- Magic Constants
- Callback Functions
- Include
