(PECL runkit >= 0.7.0)
runkit_function_add — Add a new function, similar to create_function()
$funcname
   , string $arglist
   , string $code
   [, bool $return_by_reference = NULL
   [, string $doc_comment = NULL
  ]] ) : bool
funcnameName of function to be created
arglistComma separated argument list
codeCode making up the function
closureA closure that defines the function.
return_by_referenceWhether the function should return by reference.
doc_commentThe doc comment of the function.
   Returns TRUE on success or FALSE on failure.
  
| Version | Description | 
|---|---|
| runkit 1.0.4 | An alternative syntax expecting a closurehas been added. | 
| runkit 1.0.4 | The optional parameters return_by_referenceanddoc_commenthave been added. | 
Example #1 A runkit_function_add() example
<?php
runkit_function_add('testme','$a,$b','echo "The value of a is $a\n"; echo "The value of b is $b\n";');
testme(1,2);
?>
The above example will output:
The value of a is 1 The value of b is 2