JSON converter drafts types from the first object only, so later keys can go missing

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A developer pasted a two-person API response into a browser-based JSON converter and found that the generated TypeScript interface reflected only the first object. The tool drafts TypeScript, a PHP DTO, a Laravel array, or CSV, with nested objects becoming their own interface or a single CSV cell. The PHP class is always named DataTransferObject and keeps the full array, while CSV keeps only top-level keys. Invalid JSON produces a parse error and an empty output. The author advises checking the second object for keys absent from the first and renaming the PHP class before shipping.

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