array_merge_task.md

ArrayMergeTask

Merges every input array into a single result using a configurable PHP merge function, and outputs the result once all previous tasks are resolved.

Task reference

• Service: CleverAge\ProcessBundle\Task\ArrayMergeTask
• Blocking task

Accepted inputs

array: any other type throws an \UnexpectedValueException

Possible outputs

array: result of merge_function(previous_result, input) applied to each input in turn (starting from [])

Options

Code	Type	Required	Default	Description
merge_function	string		array_merge	PHP function used to merge; one of array_merge, array_merge_recursive, array_replace, array_replace_recursive

Examples

• Merge iterated arrays, later keys overriding earlier ones recursively

# Task configuration level
data:
  service: '@CleverAge\ProcessBundle\Task\ConstantIterableOutputTask'
  options:
    output:
      - { a: 1, b: { c: 2 } }
      - { b: { d: 3 } }
  outputs: [merge]
merge:
  service: '@CleverAge\ProcessBundle\Task\ArrayMergeTask'
  options:
    merge_function: array_replace_recursive