octdec

Octal to decimal (PHP 4, PHP 5)
number octdec ( string octal_string )

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

The decimal representation of octal_string

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.

<?php

echo octdec('77') . "\n";

echo octdec(decoct(45));

?>

The above example will output:

63

45

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