refactor: Apply code best practices PHP8+ #441

Job	Run time
changes	6s
Integration php8.0-mysql-stable28	3m 23s
Integration php8.0-mysql-stable29	3m 51s
Integration php8.1-mysql-master	3m 55s
Integration php8.2-mysql-stable28	4m 8s
Integration php8.3-mysql-stable28	3m 37s
Integration php8.3-mysql-stable29	4m 2s
Integration php8.3-mysql-stable30	3m 36s
Integration php8.3-mysql-master	4m 28s
Integration php8.2-sqlite-stable28	4m 7s
Integration php8.2-pgsql-stable28	3m 37s
integration-summary	4s
	38m 54s

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