Php Numbers
In PHP, a "number" typically refers to a numeric data type that represents numerical values.
Php Integer
In PHP, an integer is a numeric data type that represents whole numbers without decimal points. Integers can be both positive and negative.
9,21,533,-8765,-244,755 are all integers.
php has the follwing predefined constant for integers:
PHP_INT_MAX- the maximum integer values for your system.
PHP_INT_MIN- the minimum integer values for your system.
Php floats
Floating-Point Numbers Also known as "floats" or "doubles," these are numbers with decimal points. They can represent both integer and non-integer values.
54.7,246.87,634f. 5,98. 65 are all floats.
php has the follwing predefined constant for floats:
PHP_FLOAT_MAX- the largest positive finite floating-point value that can be represented on the system.
PHP_FLOAT_MIN- this constant represents the smallest representable positive floating-point.
Php infinity
These constants are used to represent mathematical infinity in PHP.infinity is a special numeric value that represents positive or negative infinity
PHP provides the constant
INF to represent positive infinity.
Php Nan
NaN (Not-a-Number) represents a value that is undefined or unrepresentable.
The comparisons involving NaN will typically result in false, and you can use the is_nan() function to check if a value is NaN.
Php Numerical strings
In PHP, you can work with numerical strings, which are strings that contain numeric values.
