GoLang runkit_function_redefine

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PHP runkit_function_redefine

PHP original manual for runkit_function_redefine [ show | php.net ]

runkit_function_redefine

(PECL runkit >= 0.7.0)

runkit_function_redefine — Replace a function definition with a new implementation

Description

bool runkit_function_redefine ( string $funcname , string $arglist , string $code [, bool $return_by_reference = NULL [, string $doc_comment = NULL ]] )
bool runkit_function_redefine ( string $funcname , Closure $closure [, string $doc_comment = NULL ] )

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

Name of function to redefine

arglist

New list of arguments to be accepted by function

code

New code implementation

closure

A closure that defines the function.

return_by_reference

Whether the function should return by reference.

doc_comment

The doc comment of the function.

Return Values

Returns TRUE on success or FALSE on failure.

Changelog

Version Description
runkit 1.0.4 An alternative syntax expecting a closure has been added.
runkit 1.0.4 The optional parameters return_by_reference and doc_comment have been added.

Examples

Example #1 A runkit_function_redefine() example

<?php
function testme() {
  echo "Original Testme Implementation\n";
}
testme();
runkit_function_redefine('testme','','echo "New Testme Implementation\n";');
testme();
?>

The above example will output:

Original Testme Implementation
New Testme Implementation

See Also