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MDL-47962 filter_glossary: only prepare the replacement if used

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This commit is contained in:
Tim Hunt 2018-09-13 18:03:35 +01:00
parent ac66652078
commit 1d8d00d91d
1 changed files with 8 additions and 7 deletions
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15
lib/filterlib.php
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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) {