(PECL runkit7 >= Unknown)
runkit7_function_add — Add a new function, similar to create_function()
$funcname
   , string $arglist
   , string $code
   [, bool $return_by_reference = NULL
   [, string $doc_comment = NULL
   [, string $return_type
   [, bool $is_strict
  ]]]] ) : bool$funcname
   , Closure $closure
   [, string $doc_comment = NULL
   [, string $return_type
   [, bool $is_strict
  ]]] ) : boolfuncnameName of the 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.
return_typeThe return type of the function.
is_strictWhether the function should behave as if it were declared in a file with strict_types=1
   Returns TRUE on success or FALSE on failure.
   
  
Example #1 A runkit7_function_add() example
<?php
runkit7_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