refactor: simplify and optimize handleRequest method in CodeIgniter #15744

Job	Run time
Setup PHP Version for Code Coverage	4s
Others (8.3) / Sanity Tests	1m 31s
Others (8.2) / Sanity Tests	2m 31s
Others (8.5) / Sanity Tests	1m 45s
Others (8.4) / Sanity Tests	1m 34s
SeparateProcess (8.5) / tests	2m 4s
SeparateProcess (8.3) / tests	2m 2s
SeparateProcess (8.4) / tests	2m 5s
CacheLive (8.3) / Cache Live Tests	1m 4s
SeparateProcess (8.2) / tests	2m 6s
CacheLive (8.5) / Cache Live Tests	1m 3s
CacheLive (8.4) / Cache Live Tests	1m 5s
CacheLive (8.2) / Cache Live Tests	1m 9s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 39s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 25s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 31s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 36s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 12s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 48s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 42s
DatabaseLive (8.2, SQLite3, 8.0) / tests	1m 53s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 4s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 54s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 23s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 38s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 31s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 23s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 0s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 13s
DatabaseLive (8.2, OCI8, 8.0) / tests	12m 29s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 51s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 5s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 2s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	4m 46s
Upload coverage results to Coveralls / coveralls	44s
	1h 46m 52s

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