[jira] [Created] (THRIFT-5984) Cache function_exists() capability checks in PHP runtime hot paths

["Volodymyr Panivko (Jira)" <ji...@apache.org>]

Volodymyr Panivko created THRIFT-5984:
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             Summary: Cache function_exists() capability checks in PHP runtime hot paths
                 Key: THRIFT-5984
                 URL: https://issues.apache.org/jira/browse/THRIFT-5984
             Project: Thrift
          Issue Type: Improvement
          Components: PHP - Library
            Reporter: Volodymyr Panivko


In `lib/php/lib/Serializer/TBinarySerializer.php` and `lib/php/lib/Transport/TSocket.php` the runtime calls `function_exists()` on every serialize / deserialize / open() — checking for the same C-extension and socket functions whose presence is a static property of the PHP installation.

Memoize these checks via `private static ?bool` flags initialized with the null-coalescing assignment operator (`??=`). One-time lookup per process, identical behavior.

Follow-up to THRIFT-5981 / THRIFT-5983 under the umbrella THRIFT-5960 (PHP modernization).



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