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Informations about the package numbase
Numbase
Easily convert numbers between arbitrary bases and symbol sets.
Installation
This library is available on Packagist as thunderer/numbase. It requires PHP >=7.4 and GMP extension for handling large numbers. For older PHP versions please use ^0.1 constraint which works with 5.3 and above.
Usage
The Simplest Way™
Regular usage (see Internals section for more options):
Showcase
Convert number to and from a different set of symbols:
Get array of digit values (for bases too large for any symbol set):
Internals
Numbase is built upon several concepts:
- converters that convert numbers to array of numbers of digits,
- formatters that take those arrays and return final numbers,
- symbols used in converters to check symbols values and to get digits symbols in formatters.
There are several implementations of each concept bundled with this library, for example:
- converters:
- GmpConverter: can convert any integer between any base greater than 2, uses
gmp_*()functions, - GmpStrvalConverter: uses
gmp_strval()to convert between bases 2 and 62, - BaseConvertConverter: uses
base_convert()to convert between bases 2 and 32,
- GmpConverter: can convert any integer between any base greater than 2, uses
- formatters:
- ArrayFormatter: returns raw array of digits numbers,
- StrictFormatter: returns number as string, throws exception when digit is not found in symbols set,
- FallbackFormatter: returns number as string, but returns string with digit values separated by configured separator when any digit is not found in symbols set,
- symbols:
- ArraySymbols: takes associative
array(value => symbol), - Base62Symbols: contains alphanumeric set of symbols
0-9A-Za-z upto base 62, - StringSymbols: takes string and splits it assigning consecutive values to each character.
- ArraySymbols: takes associative
The named constructor Numbase::createDefault() uses GmpConverter, StrictFormatter and Base62Symbols as defaults.
License
See LICENSE file in the main directory of this library.
All versions of numbase with dependencies
ext-gmp Version *