runkit_method_redefine

(PECL)

runkit_method_redefine -- Dynamically changes the code of the given method

Description

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

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

警告

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Parameters

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

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

Return Values

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範例 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();
?>

The above example will output:

Before: foo!
After: bar!

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runkit_method_add()
runkit_method_copy()
runkit_method_remove()
runkit_method_rename()
runkit_function_redefine()