Types ¶ Table of Contents ¶ Introduction Type System NULL Booleans Integers Floating point numbers Strings Numeric strings Arrays Objects Enumerations Resources Callables Mixed …

Jul 23, 2025 · In PHP, data types refer to the type of data a variable can hold. PHP supports several data types, including scalar types (integers, floats, booleans, and strings) and …

Output Variables The PHP echo keyword is often used to output data to the screen. The following example will show how to output some text and the value of a variable:

Aug 5, 2025 · Understanding how PHP variables and data types work is essential for building any PHP-based application. By knowing how to declare variables, assign data, and use various …

PHP variables always start with a $ symbol. This makes them easy to spot in your code. PHP variables can hold any type of data, and you don't need to declare types upfront - you can …

The same variable can contain values of different types at different times. Useful library functions for interrogating and using type information include gettype, is_type, settype, and var_dump.

Feb 11, 2025 · This example demonstrates different variable types: string, integer, float, and boolean. Variable Scope PHP variables have different scopes: local, global, and static. Local …

Feb 4, 2025 · Understanding PHP Variables and Data Types When working with PHP, understanding variables and data types is fundamental to writing efficient, scalable, and …