Support nested arrays #1707

Job	Run time
PR size	6s
PHP Tests - Samples (8.3)	46s
PHP Tests - Samples (8.2)	52s
PHP Tests - Samples (8.4)	42s
PHP Tests - Feature (8.4)	19s
PHP Tests - Feature (8.2)	14s
PHP Tests - Samples (8.5)	46s
PHP Tests - Feature (8.5)	19s
quality / PHP Lint	15s
quality / PHP Stan	34s
PHP Tests - Feature (8.3)	13s
quality / PHP Tests - Unit (8.4)	18s
quality / EditorConfig	7s
quality / PHP Tests - Unit (8.5)	17s
quality / Typos	8s
quality / Check namespaces	13s
quality / PHP Code Style	22s
quality / Validate composer.json	17s
quality / PHP Test coverage	17s
quality / PHP Tests - Unit (8.3)	19s
quality / PHP Tests - Unit (8.2)	14s
quality / Quality-Done	2s
	7m 40s

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