refactor: simplify and optimize handleRequest method in CodeIgniter #15860

Job	Run time
Setup PHP Version for Code Coverage	4s
Others (8.3) / Sanity Tests	1m 24s
Others (8.4) / Sanity Tests	1m 21s
Others (8.2) / Sanity Tests	2m 32s
Others (8.5) / Sanity Tests	1m 37s
SeparateProcess (8.5) / tests	2m 7s
SeparateProcess (8.2) / tests	2m 4s
SeparateProcess (8.3) / tests	2m 13s
CacheLive (8.5) / Cache Live Tests	59s
CacheLive (8.3) / Cache Live Tests	1m 0s
CacheLive (8.4) / Cache Live Tests	1m 7s
SeparateProcess (8.4) / tests	2m 30s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	6m 11s
CacheLive (8.2) / Cache Live Tests	1m 12s
DatabaseLive (8.3, OCI8, 8.0) / tests	7m 27s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 3s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 5s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 27s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 47s
DatabaseLive (8.3, Postgre, 8.0) / tests	1m 35s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 2s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 1s
DatabaseLive (8.5, MySQLi, 8.0) / tests	7m 52s
DatabaseLive (8.4, MySQLi, 8.0) / tests	9m 9s
DatabaseLive (8.5, OCI8, 8.0) / tests	6m 39s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 13s
DatabaseLive (8.4, OCI8, 8.0) / tests	7m 10s
DatabaseLive (8.2, OCI8, 8.0) / tests	10m 16s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 6s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	4m 29s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 51s
DatabaseLive (8.2, MySQLi, 5.7) / tests	3m 2s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 7s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	7m 40s
Upload coverage results to Coveralls / coveralls	36s
	1h 56m 58s

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