PHP 8.0.0 Beta 4 available for testing


(cmark >= 1.1.0)

CommonMark\CQL::__invokeCQL Execution


public CommonMark\CQL::__invoke ( \CommonMark\Node $root , callable $handler )

Shall invoke the current CQL function on the given root, executing the given handler on entry to a \CommonMark\Node



the root node of a tree


should have the prototype:

handler ( \CommonMark\Node $root , \CommonMark\Node $entering ) : ?bool
  • Should handler fail to return (void), or return null, CQL will continue executing
  • Should the handler return a truthy value, CQL will continue executing.
  • Should the handler return a falsy value, CQL will stop executing

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