PHP Functions Essential Reference

octdec

int octdec(string oct) 

Converts a number from octal to decimal notation.

Returns:

Decimal equivalent of an octal value

Description:

Converts an octal number represented as a string into its decimal equivalent. If the string is not a valid octal number, an error is returned. The largest octal value that can be converted is 017777777777.

Leading zeros are ignored.

Version:

PHP 3, PHP 4

See also:

base_convert() 
bindec() 
decbin() 
dechex() 
decoct() 
hexdec() 

Example:

Convert an octal number to decimal

$number = '0123456'; echo octdec($number);