static public function cpm_userinfo($a,$b){ //Compare two userinfo fields
$field = self::$field;
$adata = $a->userinfo->$field;
$bdata = $b->userinfo->$field;
if($adata == $bdata) {
return self::cpm_userid($a,$b);
}
if(is_string($adata) && function_exists('collatorlib::compare')){
return (collatorlib::compare($adata, $bdata))*(self::$ascending);
}
if($adata < $bdata){
return self::$ascending;
}else{
return -self::$ascending;
}
}
/**
* Returns:
* 1 if str1 is greater than str2
* 0 if str1 is equal to str2
* -1 if str1 is less than str2
*
* @param mixed $obja The first object to compare
* @param mixed $objb The second object to compare
* @return int
*/
public function compare($obja, $objb) {
$resulta = $obja->{$this->method}();
$resultb = $objb->{$this->method}();
return collatorlib::compare($resulta, $resultb);
}
