(PECL runkit >= 0.7.0)
runkit_import — Process a PHP file importing function and class definitions, overwriting where appropriate
Similar to include() however any code residing outside of a function or class is simply ignored. Additionally, depending on the value of flags , any functions or classes which already exist in the currently running environment will be automatically overwritten by their new definitions.
Filename to import function and class definitions from
Bitwise OR of the RUNKIT_IMPORT_* family of constants.
如果成功则返回 TRUE,失败则返回 FALSE。