CommonMark\CQL::__invoke

(cmark >= 1.1.0)

CommonMark\CQL::__invoke — CQL Execution

说明

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

参数

root

the root node of a tree

handler

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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