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