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# octdec

(PHP 3, PHP 4 , PHP 5)

octdec -- Octal to decimal

## Description

int octdec ( string octal_string)

Returns the decimal equivalent of the octal number represented by the octal_string argument. The largest number that can be converted is 17777777777 or 2147483647 in decimal.

示範 1.octdec() example

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

The above example will output:

    63
    45

See also: decoct(), bindec(), hexdec(), and base_convert().

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