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<?php register_shutdown_function ('shutdown'); file_put_contents ('/tmp/test.txt', "main 1 \n", FILE_APPEND | LOCK_EX); file_put_contents ('/tmp/test.txt', "main 2 \n", FILE_APPEND | LOCK_EX); function shutdown () { file_put_contents ('/tmp/test.txt', "shutdown 1 \n", FILE_APPEND | LOCK_EX); file_put_contents ('/tmp/test.txt', "shutdown 2 \n", FILE_APPEND | LOCK_EX); var_dump(file_get_contents("/tmp/test.txt")); exit; }

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