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MDL-63403 filter_glossary: only prepare the replacement if used

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This commit is contained in:
Tim Hunt
2018-10-18 18:44:32 +02:00
committed by Eloy Lafuente (stronk7)
parent 957e3dbbd6
commit 59045c0a75
1 changed files with 8 additions and 7 deletions
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lib/filterlib.php
+8 -7
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@@ -1328,14 +1328,15 @@ function filter_phrases($text, $linkarray, $ignoretagsopen = null, $ignoretagscl
continue;
}
// This only has to be done it it hasn't been done before.
if ($linkobject->workreplacementphrase === null) {
filter_prepare_phrase_for_replacement($linkobject);
}
// Do our highlighting.
$resulttext = preg_replace_callback($linkobject->workregexp,
function ($matches) use ($linkobject) {
if ($linkobject->workreplacementphrase === null) {
filter_prepare_phrase_for_replacement($linkobject);
}
// Finally we do our highlighting.
$resulttext = preg_replace($linkobject->workregexp,
$linkobject->workreplacementphrase, $text, $pregreplacelimit);
return str_replace('$1', $matches[1], $linkobject->workreplacementphrase);
}, $text, $pregreplacelimit);
// If the text has changed we have to look for links again.
if ($resulttext != $text) {