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also comment why the check may be neccessary
This commit is contained in:
Elan Ruusamäe
2016-01-20 15:41:56 +02:00
parent c387014e27
commit cd49391833
1 changed files with 6 additions and 2 deletions
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8
lib/Minify/HTML/Helper.php
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@@ -121,9 +121,13 @@ class Minify_HTML_Helper {
$gc = (require $this->groupsConfigFile);
$keys = explode(',', $key);
foreach ($keys as $key) {
if (isset($gc[$key])) {
$this->_lastModified = self::getLastModified($gc[$key], $this->_lastModified);
if (!isset($gc[$key])) {
// this can happen if value is null
// which could be solved with array_filter
continue;
}
$this->_lastModified = self::getLastModified($gc[$key], $this->_lastModified);
}
}
}