Note: This manual is provided for your convenience only - this is not the official source and may not be 100% up to date.
XLVII. Function Handling Functions
These functions all handle various operations involved in working with functions.
No external libraries are needed to build this extension.
There is no installation needed to use these functions; they are part of the PHP core.
This extension has no configuration directives defined in php.ini.
This extension has no constants defined.