155             $line = $to_lines[$yi];
156             if (($this->ychanged[$yi] = empty($xhash[$line])))
158             $yhash[$line] = 1;
159             $this->yv[] = $line;
163             $line = $from_lines[$xi];
164             if (($this->xchanged[$xi] = empty($yhash[$line])))
166             $this->xv[] = $line;
269                 $line = $flip ? $this->yv[$x] : $this->xv[$x];
270                 if (empty($ymatches[$line]))
272                 $matches = $ymatches[$line];
850         foreach ($lines as $line)
851             echo "$prefix ".$this->_escape($line)."\n";
1166     function addedLine($line,$escaped=false) {  argument
1168             $line = $this->_escape($line);
1171                '<td '.HTMLDiff::css('diff-addedline').'>' .  $line.'</td>';
1174     function deletedLine($line,$escaped=false) {  argument
1176             $line = $this->_escape($line);
1179                '<td '.HTMLDiff::css('diff-deletedline').'>' .  $line.'</td>';
1186     function contextLine($line) {  argument
1188                '<td '.HTMLDiff::css('diff-context').'>'.$this->_escape($line).'</td>';
1196         foreach ($lines as $line) {
1197             print('<tr>' . $this->emptyLine() . $this->addedLine($line,$escaped) . "</tr>\n");
1202         foreach ($lines as $line) {
1203             print('<tr>' . $this->deletedLine($line) . $this->emptyLine() . "</tr>\n");
1208         foreach ($lines as $line) {
1209             print('<tr>' . $this->contextLine($line) .  $this->contextLine($line) . "</tr>\n");
1218         while ($line = array_shift($del)) {
1220 …        print('<tr>' . $this->deletedLine($line,true) . $this->addedLine($aline,true) . "</tr>\n");
1284         foreach ($lines as $line) {
1285 …').'>&#160;</td><td '.HTMLDiff::css('diff-addedline').'>'. $this->_escape($line) . "</td></tr>\n");
1290         foreach ($lines as $line) {
1291 …0;</td><td '.HTMLDiff::css('diff-deletedline').'><del>' . $this->_escape($line) . "</del></td></tr…
1296         foreach ($lines as $line) {
1297 …der').'>&#160;</td><td '.HTMLDiff::css('diff-context').'>'. $this->_escape($line) ."</td></tr>\n");
1305         foreach ($add as $line)
1306 …        print('<tr><td '.HTMLDiff::css('diff-lineheader').'>&#160;</td><td>'.$line."</td></tr>\n");