runkit_method_redefine

(PECL runkit >= 0.7.0)

runkit_method_redefineDynamically changes the code of the given method

Açıklama

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

Bilginize: Bu işlev çalışmakta olan yöntemi değiştirmekte kullanılamaz.

Değiştirgeler

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 optionally combined via bitwise OR with RUNKIT_ACC_STATIC (since 1.0.1)

Bilginize:

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

Dönen Değerler

Başarı durumunda TRUE, başarısızlık durumunda FALSE döner.

Örnekler

Örnek 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();
?>

Yukarıdaki örneğin çıktısı:

Before: foo!
After: bar!

Ayrıca Bakınız

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User Contributed Notes 2 notes

up
1
anton at bondarenko.cc
4 years ago
In last runkit versions you can also use RUNKIT_ACC_STATIC constant as flags parametr to redifine static function.
up
0
lauri dot piisang at cashongo dot co dot uk
4 years 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));
?>
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