function getPrimarySortKey($string)
{
MediaWiki\suppressWarnings();
$key = $this->primaryCollator->getSortKey($string) . '';
MediaWiki\restoreWarnings();
return $key;
}
function getPrimarySortKey($string)
{
wfSuppressWarnings();
$key = $this->primaryCollator->getSortKey($string) . '';
wfRestoreWarnings();
return $key;
}
public function getPrimarySortKey($string)
{
return $this->primaryCollator->getSortKey($string);
}
<?php
$coll = new Collator('root');
var_dump(substr_count($coll->getSortKey('Hello'), ""));
