[edit] Last updated: Fri, 17 May 2013

runkit_method_redefine

(PECL runkit >= 0.7.0)

runkit_method_redefine — Dynamically changes the code of the given method

Descrição

bool runkit_method_redefine ( string $classname , string $methodname , string $args , string $code [, int $flags = RUNKIT_ACC_PUBLIC ] )

Nota: This function cannot be used to manipulate the currently running (or chained) method.

Aviso

Esta função é EXPERIMENTAL. O comportamento desta função, seu nome, incluindo toda documentação pode ser modificado sem aviso em futuras versões do PHP. Esta função deve ser usada por sua própria conta e risco.

Parâmetros

classname: The class in which to redefine the method
methodname: The name of the method to redefine
args: Comma-delimited list of arguments for the redefined method
code: The new code to be evaluated when methodname is called
flags: The redefined method can be RUNKIT_ACC_PUBLIC, RUNKIT_ACC_PROTECTED or RUNKIT_ACC_PRIVATE

Nota:
This parameter is only used as of PHP 5, because, prior to this, all methods were public.

Valor Retornado

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

Exemplos

Exemplo #1 runkit_method_redefine() example


<?php
class Example {
    function foo() {
        return "foo!\n";
    }
}

// create an Example object
$e = new Example();

// output Example::foo() (before redefine)
echo "Before: " . $e->foo();

// Redefine the 'foo' method
runkit_method_redefine(
    'Example',
    'foo',
    '',
    'return "bar!\n";',
    RUNKIT_ACC_PUBLIC
);

// output Example::foo() (after redefine)
echo "After: " . $e->foo();
?>

O exemplo acima irá imprimir:

Before: foo!
After: bar!

Veja Também

runkit_method_add() - Dynamically adds a new method to a given class
runkit_method_copy() - Copies a method from class to another
runkit_method_remove() - Dynamically removes the given method
runkit_method_rename() - Dynamically changes the name of the given method
runkit_function_redefine() - Replace a function definition with a new implementation

add a note User Contributed Notes runkit_method_redefine - [2 notes]

down

lauri dot piisang at cashongo dot co dot uk ¶

11 months ago


A sample implementation of redefining a public static method of symfony's sfDate to 'travel in time' with runkit:

<?php

//Going back in time 3 days

$subtractablePeriod = 3;

runkit_method_redefine('sfDateTimeToolkit', 'now', '', 'return strtotime("-'.$subtractablePeriod.' days");', (RUNKIT_ACC_PUBLIC | RUNKIT_ACC_STATIC));    



//Do Stuff here that would otherwise get the current date



//Return to realtime

runkit_method_redefine('sfDateTimeToolkit', 'now', '', 'return time();', (RUNKIT_ACC_PUBLIC | RUNKIT_ACC_STATIC));

?>

down

anton at bondarenko.cc ¶

1 year ago


In last runkit versions you can also use RUNKIT_ACC_STATIC constant as flags parametr to redifine static function.

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