# octdec

(PHP 4, PHP 5)

octdec — Octal to decimal

### Description

number octdec ( string `$octal_string` )

Returns the decimal equivalent of the octal number represented by the `octal_string` argument.

### Parameters

`octal_string`

  The octal string to convert

### Return Values

The decimal representation of `octal_string`

### ChangeLog

Version | Description
--- | ---
Since 4.1.0 | The function can now convert numbers that are too large to fit into the platforms integer type, larger values are returned as float in that case.

### Examples

Example#1 octdec() example

`<?php
echo octdec('77') . "\n";
echo octdec(decoct(45));
?>`

The above example will output:

    63
    45

### See Also

- decoct()
- bindec()
- hexdec()
- base_convert()