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MDL-73030 backup: case-insensitive detection of Moodle backups.

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This commit is contained in:
Paul Holden 2022-02-02 17:33:39 +00:00
parent 24f97edd91
commit 65f9976478
1 changed files with 5 additions and 3 deletions
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6
backup/util/helper/convert_helper.class.php
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@ -145,9 +145,11 @@ abstract class convert_helper {
$firstchars = fread($handle, 200);
$status = fclose($handle);
if (strpos($firstchars,'<?xml version="1.0" encoding="UTF-8"?>') !== false and
strpos($firstchars,'<moodle_backup>') !== false and
// Look for expected XML elements (case-insensitive to account for encoding attribute).
if (stripos($firstchars, '<?xml version="1.0" encoding="UTF-8"?>') !== false &&
strpos($firstchars, '<moodle_backup>') !== false &&
strpos($firstchars, '<information>') !== false) {
return true;
}