<?php $xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8"?><doc><elem/><elem/></doc>'); var_dump($xml instanceof \Countable); echo 'Count: ' . count($xml), PHP_EOL; echo 'Strlen: ' . strlen($xml), PHP_EOL; echo 'MB Strlen: ' . mb_strlen($xml), PHP_EOL;
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