PHP 5.6.0 released

runkit_function_redefine

(PECL runkit >= 0.7.0)

runkit_function_redefine Replace a function definition with a new implementation

Descrição

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

Nota: 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.

Parâmetros

funcname

Name of function to redefine

arglist

New list of arguments to be accepted by function

code

New code implementation

Valor Retornado

Retorna TRUE em caso de sucesso ou FALSE em caso de falha.

Exemplos

Exemplo #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();
?>

O exemplo acima irá imprimir:

Original Testme Implementation
New Testme Implementation

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User Contributed Notes 2 notes

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2
lucato at gmail dot com
2 years ago
Note to users: language constructs (eval, die, exit, isset, unset, echo etc.) which might be confused with functions, cannot be renamed or redefined even with runkit.internal_override.
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1
corentin dot delorme at linagora dot com
6 years ago
Here is another example with a parameter:

<?php

function hello_world($word) {
  echo
"Original Hello World: $word\n</br>";
}

$helloWorld = 'echo "Redefined Hello World: $word\n</br>";';

hello_world('test1');

runkit_function_redefine('hello_world', '$word', $helloWorld);

hello_world('test2');

?>
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