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PhpStorm 2022.1 EAP #3: Enhanced Array Shapes | The PhpStorm Blog
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![4. Groups of Data: Working with Arrays - Learning PHP [Book]](https://www.oreilly.com/api/v2/epubs/9781491933565/files/assets/php7_0401.png "4. Groups of Data: Working with Arrays - Learning PHP [Book]")
4. Groups of Data: Working with Arrays - Learning PHP [Book]
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Normalize array keys when expected return type is List · Issue #81 · webonyx/graphql-php · GitHub
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PHP Array: Associative, Multidimensional
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PHP array_keys: How to Get Array Keys in PHP
