runkit_function_rename
  
   Change a function's name
  
  
 
  Description
  
   bool runkit_function_rename
    ( string $funcname
   , string $newname
   )
  Note: By default, only
userspace functions may be removed, renamed, or modified.  In order to
override internal functions, you must enable the
runkit.internal_override setting in php.ini.
  
 
  Parameters
  
   
    
     - 
funcname
- 
      
       Current function name
       
- 
newname
- 
      
       New function name
       
 
 
  Return Values
  
   Returns TRUE on success or FALSE on failure.
  
  
 
  See Also
  
   
    - runkit_function_add
- runkit_function_copy
- runkit_function_redefine
- runkit_function_remove