refactor: Apply code best practices PHP8+ #444

Job	Run time
changes	5s
Integration php8.0-mysql-stable28	4m 0s
Integration php8.0-mysql-stable29	3m 57s
Integration php8.1-mysql-master	4m 7s
Integration php8.2-mysql-stable28	4m 8s
Integration php8.3-mysql-stable28	3m 29s
Integration php8.3-mysql-stable29	4m 2s
Integration php8.3-mysql-stable30	4m 6s
Integration php8.3-mysql-master	3m 33s
Integration php8.2-sqlite-stable28	3m 53s
Integration php8.2-pgsql-stable28	3m 49s
integration-summary	5s
	39m 14s

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