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# base_convert

(3.0.6 - 3.0.18 only, PHP 4 >= 4.0.0)

base_convert -- Convert a number between arbitrary bases

## Description

``string base_convert` (string number, int frombase, int tobase)`

Returns a string containing `number` represented in base `tobase`. The base in which `number` is given is specified in `frombase`. Both `frombase` and `tobase` have to be between 2 and 36, inclusive. Digits in numbers with a base higher than 10 will be represented with the letters a-z, with a meaning 10, b meaning 11 and z meaning 35.

Example 1. base_convert()
    $binary = base_convert ($hexadecimal, 16, 2);

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