3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s1 = <<<EOD This String is called „Foo“ or „Bar“ but could be formatted as &ldquor;Foo&#8220; or even &#8222;Bar&#x0201C; and many more combinations. EOD; $s2 = html_entity_decode($s1, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML5); $s3 = preg_replace( '/„(.*?)“/', '[quote=$1]', $s2 ); print_r($s3);

preferences:
26.61 ms | 406 KiB | 5 Q