PHP Conversion

Supports a wide range of physical quantities, digital information, sizes, and number bases, making it versatile for applications like e-commerce or scientific tools, as listed in the README's extensive unit categories.

Uses dedicated classes for each conversion type, preventing unit mismatches and promoting code clarity, which aligns with the library's philosophy of type safety and self-documenting code.

Allows detailed control over output formatting, including decimal places and separators, demonstrated in the digital information example with the 'out' method for custom precision.

Uniquely supports international hat and child shoe size systems across American, British, and European standards, useful for specific e-commerce scenarios, as shown in the usage examples.