idf_escape($z);}function
where($Z,$m=array()){global$e,$y;$K=array();foreach((array)$Z["where"]as$z=>$X){$z=bracket_escape($z,1);$c=escape_key($z);$K[]=$c.(($y=="sql"&&preg_match('~^[0-9]*\\.[0-9]*$~',$X))||$y=="mssql"?" LIKE ".q(addcslashes($X,"%_\\")):" = ".unconvert_field($m[$z],q($X)));if($y=="sql"&&preg_match('~char|text~',$m[$z]["type"])&&preg_match("~[^ -@]~",$X))$K[]="$c = ".q($X)." COLLATE ".charset($e)."_bin";}foreach((array)$Z["null"]as$z)$K[]=escape_key($z)." IS NULL";return
implode(" AND ",$K);}function