Merge pull request #732 from cakephp/3.x-array-doc #728

Job	Run time
cs-stan / Coding Standard & Static Analysis	28s
testsuite / testsuite-linux (8.1, highest, false)	31s
testsuite / testsuite-linux (8.2, highest, false)	30s
testsuite / testsuite-linux (8.4, highest, false)	1m 18s
testsuite / testsuite-linux (8.3, highest, false)	30s
testsuite / testsuite-linux (8.1, lowest, false)	29s
	3m 46s

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