PHP DATA TYPES
In PHP, data types are used to represent different types of values such as strings, numbers, booleans, etc. Here are some of the most commonly used data types in PHP:
String: A string is a sequence of characters enclosed in quotes (single or double). Strings can be concatenated using the . operator.
Integer: An integer is a whole number with no decimal places. It can be positive or negative.
Float: A float is a number with decimal places.
Boolean: A boolean represents a logical value that can be either true or false.
Array: An array is a collection of values, each identified by a key. PHP supports both indexed and associative arrays.