runkit_method_redefine
(PECL runkit:0.7-0.9)
runkit_method_redefine — Dynamically changes the code of the given method
Beskrivelse
Note: This function cannot be used to manipulate the currently running (or chained) method.
Denne funktion er EKSPERIMENTABEL. Virkemåden af denne funktion, navnet på funktionen, og andet ellers dokumenteret om denne funktion, ændres muligvis uden advarsel i en fremtidig version af PHP. Brug af denne funktion er på ejet ansvar.
Parameterliste
- 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
Note: This parameter is only used as of PHP 5, because, prior to this, all methods were public.
Returneringsværdier
Returnerer TRUE ved succes, FALSE ved fejl.
Eksempler
Example#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();
?>
Ovenstående eksempel vil udskrive:
Before: foo! After: bar!