uce/site/doc/pages/array_merge.txt

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:sig
StringMap array_merge(StringMap a, StringMap b)
DValue array_merge(DValue a, DValue b)
:params
a : left-hand source map or tree
b : right-hand source map or tree
return value : merged result
:see
>types
0_DValue
StringMap
json_decode
:content
Merges two maps or trees using PHP-like merge behavior.
For `StringMap`, keys from `b` overwrite keys from `a`.
For `DValue`, string keys from `b` overwrite keys from `a`. Numeric keys are appended and reindexed when either side behaves like a list.
This helper is the closest UCE equivalent to PHP `array_merge()` for common request, config, and JSON-shaped data.
## Related Concepts
- PHP: `array_merge()`
- JavaScript / Node.js: object spread, `Object.assign()`, or array concatenation depending on whether the data is map-like or list-like