ToolResultFormatter
FinalYes
Formats tool execution results into MCP Content items.
Tags
Table of Contents
Methods
- format() : array<string|int, Content>
- Formats the result of a tool execution into an array of MCP Content items.
Methods
format()
Formats the result of a tool execution into an array of MCP Content items.
public
format(mixed $toolExecutionResult) : array<string|int, Content>
- If the result is already a Content object, it's wrapped in an array.
- If the result is an array:
- If all elements are Content objects, the array is returned as is.
- If it's a mixed array (Content and non-Content items), non-Content items are individually formatted (scalars to TextContent, others to JSON TextContent).
- If it's an array with no Content items, the entire array is JSON-encoded into a single TextContent.
- Scalars (string, int, float, bool) are wrapped in TextContent.
- null is represented as TextContent('(null)').
- Other objects are JSON-encoded and wrapped in TextContent.
Parameters
- $toolExecutionResult : mixed
-
the raw value returned by the tool's PHP method
Tags
Return values
array<string|int, Content> —the content items for CallToolResult