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Number helper

The number helper contains methods that can be useful when working with numbers.

Usage

The arabic2roman method converts Arabic numerals to roman numerals.

echo Num::arabic2roman(1984); // Will print "MCMLXXXIV"

The number must be between 1 and 3999.

The roman2arabic method will convert roman numerals to Arabic numerals.

echo Num::roman2arabic('MCMLXXXIV'); // Will print "1984"

The number must be between I and MMMCMXCIX.