/**
* Converts a number from one base into another. May be called statically.
*
* @param mixed number The number to convert
* @param int from_base The base to convert from
* @param int to_base The base to convert to
* @param string from_cs Optional character set of the number that is
* converted
* @param string to_cs Optional character set of the target number
* @return string
* @access public
*/
function baseConvert($number, $from_base, $to_base, $from_cs = null, $to_cs = null)
{
if (isset($this)) {
$obj =& $this;
} else {
$obj =& Math_Basex::instance();
}
if (!isset($from_cs)) {
$from_cs = $obj->stdBase();
}
if (!isset($to_cs)) {
$to_cs = $obj->stdBase();
}
if (strlen($from_cs) < $from_base) {
return PEAR::raiseError('Character set isn\'t long enough for the' . 'given base.');
}
if (strlen($to_cs) < $to_base) {
return PEAR::raiseError('Character set isn\'t long enough for the' . 'given base.');
}
$from_cs = substr($from_cs, 0, $from_base);
$to_cs = substr($to_cs, 0, $to_base);
if ($tmp = $obj->setBase($from_cs) !== true) {
return $tmp;
}
$number = $obj->toDecimal($number);
if (PEAR::isError($number)) {
return $number;
}
if ($tmp = $obj->setBase($to_cs) !== true) {
return $tmp;
}
$number = $obj->toBase($number);
return $number;
}
