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octdec

PHP function Edit on GitHub ✎

(PHP 4, PHP 5, PHP 7, PHP 8)

Octal to decimal

Description

octdec(string $octal_string): int|float

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

octal_string: The octal string to convert. Any invalid characters in octal_string are silently ignored. As of PHP 7.4.0 supplying any invalid characters is deprecated.

The decimal representation of octal_string

Version	Description
7.4.0	Passing invalid characters will now generate a deprecation notice. The result will still be computed as if the invalid characters did not exist.

octdec() example

php

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

The above example will output:

output

63
45

Note

The function can convert numbers that are too large to fit into the platforms int type, larger values are returned as float in that case.