Online decoct( ) function

string decoct ( int $number )
Returns a string containing an octal representation of the given number argument. The largest number that can be converted depends on the platform in use. For 32-bit platforms this is usually 4294967295 in decimal resulting in 37777777777. For 64-bit platforms this is usually 9223372036854775807 in decimal resulting in 777777777777777777777.