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elofgren: VAR FIXES: Add some needed issets() and variable initializations to fix a lot of warnings when comparing 2 versions of a page.

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(merged from branches/gsoc)


git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@41844 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer 2007-09-15 00:48:11 +00:00
parent 9b29b09a24
commit d497fbf671
1 changed files with 6 additions and 5 deletions
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11
code/Diff.php
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@ -667,14 +667,14 @@ class Diff
if($chunks) {
foreach($chunks as $item) {
// $tagStack > 0 indicates that we should be tag-building
if($tagStack[$listName]) $rechunked[$listName][sizeof($rechunked[$listName])-1] .= ' ' . $item;
if(isset($tagStack[$listName])) $rechunked[$listName][sizeof($rechunked[$listName])-1] .= ' ' . $item;
else $rechunked[$listName][] = $item;
if($lookForTag && $item[0] == "<" && substr($item,0,2) != "</") {
if($lookForTag && isset($item[0]) && $item[0] == "<" && substr($item,0,2) != "</") {
$tagStack[$listName] = 1;
} else if($tagStack[$listName]) {
} else if(isset($tagStack[$listName])) {
if(substr($item,0,2) == "</") $tagStack[$listName]--;
else if($item[0] == "<") $tagStack[$listName]++;
else if(isset($item[0]) && $item[0] == "<") $tagStack[$listName]++;
}
// echo "<li>" . htmlentities($item) . " -> " .$tagStack[$listName];
@ -686,6 +686,7 @@ class Diff
// Diff the re-chunked data, turning it into maked up HTML
$diff = new Diff($rechunked[1], $rechunked[2]);
$content = '';
foreach($diff->edits as $edit) {
// echo "<li>$edit->type: " . htmlentities(implode(" " ,$edit->orig));
// if($edit->final) echo ' / ' . htmlentities(implode(" " ,$edit->final));
@ -716,7 +717,7 @@ class Diff
$content = str_replace(array("&nbsp;","<", ">"),array(" "," <", "> "),$content);
$candidateChunks = split("[\t\r\n ]+", $content);
while(list($i,$item) = each($candidateChunks)) {
if($item[0] == "<") {
if(isset($item[0]) && $item[0] == "<") {
$newChunk = $item;
while($item[strlen($item)-1] != ">") {
list($i,$item) = each($candidateChunks);