PHP Classes

PHP Number to Text Converter: Encode and decode numbers using character mappings

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Not yet rated by the usersTotal: 348 All time: 7,018 This week: 673Up
Version License PHP version Categories
number-converter 1.0GNU General Publi...5.4PHP 5, Text processing, Math
Description 

Author

Ivan Gontarenko

This class can encode and decode numbers using character mappings.

It can take a given number and encode it using a given list of characters to map the number.

The numbers may be encoded using pre-defined characters sets like upper or lower case letters, digits including 0 or not, and underscore or dash symbols. A custom list of characters may also be included.

The class can also do the opposite, i.e. take a previously encoded number with given character sets and decode the original number.

The class uses arbitrary precision math to allow for very long numbers to be converted.

Innovation Award
PHP Programming Innovation award nominee
August 2015
Number 13		 One way to store large numbers with less digits is to represent than in a base higher than 10.

This means that it would use other characters besides 0 to 9 to represent the number in higher base.

This class can convert decimal numbers to be encoded with custom lists of characters to represent their "digits".

It uses arbitrary precision math, so it can represent arbitrary long decimal numbers with much less characters.

Manuel Lemos
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  Performance   Level  
Name: Ivan Gontarenko <contact>
Classes: 1 package by
Country: Ukraine Ukraine
Age: 34
All time rank: 370658 in Ukraine Ukraine
Week rank: 195 Up4 in Ukraine Ukraine Up

Level 1 Star

 Innovation award
Innovation award
Nominee: 1x

Example

<?php

    use Utils\NumConverter;

    include_once './NumConverter.php';

    $converter = new NumConverter(
        NumConverter::USE_NUMS_WO_ZERO |
        NumConverter::USE_LOWERCASE |
        NumConverter::USE_UPPERCASE
    );

    $converter->addCustom( [
        '_', '-', '%', '@', '+', '=', '!', ':', '~', ';', '(', ')', '^', '#', '[', ']', '{', '}'
    ] );

    $number = bcmul( PHP_INT_MAX, 7 ); // 64563604257983430649

    $encoded = $converter->encode( $number ); // 7@U1k6k6^-S

    $decoded = $converter->decode( $encoded ); // 64563604257983430649

    var_dump( $number, $encoded, $decoded ); die;

  Files folder image Files (2)  
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Accessible without login Plain text file example.php Example Example usage NumConverter class
Plain text file NumConverter.php Class NumConverter PHP class

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