mysqlnd_protocol_init 2981 ext/mysqlnd/mysqlnd.c 	conn->protocol = mysqlnd_protocol_init(conn->persistent);
mysqlnd_protocol_init 2552 ext/mysqlnd/mysqlnd_wireprotocol.c mysqlnd_protocol_init(zend_bool persistent)
mysqlnd_protocol_init  323 ext/mysqlnd/mysqlnd_wireprotocol.h PHPAPI MYSQLND_PROTOCOL * mysqlnd_protocol_init(zend_bool persistent);