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Editing: functions.php
<?php namespace Amp\Serialization; /** * @param string $data Binary data. * * @return string Unprintable characters encoded as \x##. */ function encodeUnprintableChars(string $data): string { return \preg_replace_callback("/[^\x20-\x7e]/", function (array $matches): string { return "\\x" . \dechex(\ord($matches[0])); }, $data); }
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