refactor: simplify and optimize handleRequest method in CodeIgniter #15855

Job	Run time
Setup PHP Version for Code Coverage	4s
Others (8.4) / Sanity Tests	1m 41s
Others (8.5) / Sanity Tests	1m 34s
Others (8.2) / Sanity Tests	2m 59s
Others (8.3) / Sanity Tests	2m 0s
SeparateProcess (8.4) / tests	2m 5s
SeparateProcess (8.2) / tests	1m 57s
SeparateProcess (8.3) / tests	2m 0s
SeparateProcess (8.5) / tests	2m 23s
CacheLive (8.5) / Cache Live Tests	1m 4s
CacheLive (8.2) / Cache Live Tests	1m 11s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 0s
CacheLive (8.3) / Cache Live Tests	1m 6s
DatabaseLive (8.5, Postgre, 8.0) / tests	1m 42s
DatabaseLive (8.4, MySQLi, 8.0) / tests	3m 26s
CacheLive (8.4) / Cache Live Tests	1m 7s
DatabaseLive (8.2, Postgre, 8.0) / tests	2m 42s
DatabaseLive (8.2, MySQLi, 5.7) / tests	2m 54s
DatabaseLive (8.2, MySQLi, 8.0) / tests	4m 4s
DatabaseLive (8.2, OCI8, 8.0) / tests	9m 4s
DatabaseLive (8.3, MySQLi, 8.0) / tests	3m 33s
DatabaseLive (8.2, SQLite3, 8.0) / tests	2m 3s
DatabaseLive (8.5, SQLSRV, 8.0) / tests	7m 30s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 47s
DatabaseLive (8.3, Postgre, 8.0) / tests	3m 27s
DatabaseLive (8.3, SQLite3, 8.0) / tests	1m 11s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 33s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	9m 37s
DatabaseLive (8.4, SQLite3, 8.0) / tests	1m 4s
DatabaseLive (8.5, SQLite3, 8.0) / tests	1m 1s
DatabaseLive (8.5, MySQLi, 8.0) / tests	3m 2s
DatabaseLive (8.4, Postgre, 8.0) / tests	1m 48s
DatabaseLive (8.5, OCI8, 8.0) / tests	7m 20s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 47s
Upload coverage results to Coveralls / coveralls	49s
	1h 51m 35s

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