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Editing: Util.php
<?php declare(strict_types=1); namespace MaxMind\Db\Reader; class Util { /** * @param resource $stream */ public static function read($stream, int $offset, int $numberOfBytes): string { if ($numberOfBytes === 0) { return ''; } if (fseek($stream, $offset) === 0) { $value = fread($stream, $numberOfBytes); // We check that the number of bytes read is equal to the number // asked for. We use ftell as getting the length of $value is // much slower. if ($value !== false && ftell($stream) - $offset === $numberOfBytes) { return $value; } } throw new InvalidDatabaseException( 'The MaxMind DB file contains bad data' ); } }
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