runkit_function_redefine

runkit_function_redefine

(PECL)

runkit_function_redefine --  Replace a function definition with a new implementation

Description

bool runkit_function_redefine ( string funcname, string arglist, string code )

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 the system-wide php.ini file.

Parameters

funcname

Name of function to redefine

arglist

New list of arguments to be accepted by function

code

New code implementation

Return Values

Returns TRUE on success or FALSE on failure.

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

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