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Import global functions and constants for enhanced performance
This is better for performance because these then don't need to be reevaluated every time they are called. When encountering an unqualified function or constant reference, PHP will first try to locate a symbol in the current namespace by that name, and then fall back to the global namespace. This short-circuits the check, which has substantial performance effects in some cases - in particular, ord(), chr() and strlen() show ~1500x faster calls when they are fully qualified. However, this doesn't mean that PM is getting a massive amount faster. In real world terms, this translates to about 10-15% performance improvement. But before anyone gets excited, you should know that the CodeOptimizer in the PreProcessor repo has been applying fully-qualified symbol optimizations to Jenkins builds for years, which is one of the reasons why Jenkins builds have better performance than home-built or source installations. We're choosing to do this for the sake of future SafePHP integration and also to be able to get rid of the buggy CodeOptimizer, so that phar and source are more consistent.
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@@ -32,6 +32,24 @@ use pocketmine\event\server\RemoteServerCommandEvent;
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use pocketmine\Server;
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use pocketmine\snooze\SleeperNotifier;
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use pocketmine\utils\TextFormat;
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use function max;
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use function socket_bind;
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use function socket_close;
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use function socket_create;
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use function socket_create_pair;
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use function socket_getsockname;
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use function socket_last_error;
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use function socket_listen;
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use function socket_set_block;
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use function socket_strerror;
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use function socket_write;
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use function trim;
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use const AF_INET;
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use const AF_UNIX;
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use const SOCK_STREAM;
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use const SOCKET_ENOPROTOOPT;
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use const SOCKET_EPROTONOSUPPORT;
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use const SOL_TCP;
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class RCON{
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/** @var Server */
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