Remove wrong by reference variable init in Console\DocBloxErrorChecker
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@ -123,7 +123,7 @@ HELP;
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private function commandExists($command)
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{
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$prefix = strpos(strtolower(PHP_OS),'win') > -1 ? 'where' : 'which';
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exec("{$prefix} {$command}", $output = [], $returnVal = 0);
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exec("{$prefix} {$command}", $output, $returnVal);
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return $returnVal === 0;
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}
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