Issue #40: Fixed invalid array type assignations reported by PHPStan #128

Job	Run time
ci / Generate job matrix	8s
ci / QA Checks (PHPUnit [8.1, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	23s
ci / QA Checks (MkDocs Linting [8.1, latest], ubuntu-latest, laminas/laminas-continuous-integration-ac...	25s
ci / QA Checks (PHPUnit [8.2, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	26s
ci / QA Checks (PHPUnit [8.1, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	24s
ci / QA Checks (Documentation Linting [8.1, latest], ubuntu-latest, laminas/laminas-continuous-integra...	25s
ci / QA Checks (README Linting [8.1, latest], ubuntu-latest, laminas/laminas-continuous-integration-ac...	25s
ci / QA Checks (PHPUnit [8.2, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	27s
ci / QA Checks (PHPCodeSniffer [8.1, latest], ubuntu-latest, laminas/laminas-continuous-integration-ac...	28s
ci / QA Checks (PHPStan [8.1, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	37s
ci / QA Checks (PHPUnit [8.4, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	22s
ci / QA Checks (PHPUnit [8.4, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	25s
ci / QA Checks (PHPUnit [8.3, lowest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	21s
ci / QA Checks (PHPUnit [8.3, latest], ubuntu-latest, laminas/laminas-continuous-integration-action@v1...	24s
	5m 40s

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