-
- while ( (($ent_loc = strpos(substr($subject,0,$trim_val), '&', $ent_offset)) !== false) &&
- (($ent_loc_end = strpos(substr($subject,0,$trim_val+5), ';', $ent_loc)) !== false) ) {
- $trim_val += ($ent_loc_end-$ent_loc)+1;
- $ent_strlen -= $ent_loc_end-$ent_loc;
+ $step = $ent_loc = 0;
+ while ( $ent_loc < $trim_val && (($ent_loc = strpos($subject, '&', $ent_offset)) !== false) &&
+ (($ent_loc_end = strpos($subject, ';', $ent_loc+3)) !== false) ) {
+ $trim_val += ($ent_loc_end-$ent_loc);