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🚨 Apply PHP CS Fixer fixes (#1219)
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MaxMindBinary.php

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@@ -39,7 +39,7 @@ final class MaxMindBinary extends AbstractProvider implements Provider
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* @throws FunctionNotFound if maxmind's lib not installed
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* @throws InvalidArgument if dat file is not correct (optional)
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*/
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public function __construct(string $datFile, int $openFlag = null)
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public function __construct(string $datFile, ?int $openFlag = null)
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{
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if (false === function_exists('geoip_open')) {
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throw new FunctionNotFound('geoip_open', 'The MaxMindBinary requires maxmind\'s lib to be installed and loaded. Have you included geoip.inc file?');

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