classkit_method_add

(no version information, might be only in CVS)

classkit_method_add -- Dynamically adds a new method to a given class

Description

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

警告

這個函數是實驗性質的。這個函數的行為、名稱、和關於此函數的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此延伸需自行承擔風險。

Parameters

classname

The class to which this method will be added

methodname

The name of the method to add

args

Comma-delimited list of arguments for the newly-created method

code

The code to be evaluated when methodname is called

flags

The type of method to create, can be CLASSKIT_ACC_PUBLIC, CLASSKIT_ACC_PROTECTED or CLASSKIT_ACC_PRIVATE

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

Return Values

成功回傳TRUE失敗回傳FALSE

範例

範例 1. classkit_method_add() example

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

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

// Add a new public method
classkit_method_add(
    
'Example',
    
'add',
    
'$num1, $num2',
    
'return $num1 + $num2;',
    
CLASSKIT_ACC_PUBLIC
);

// add 12 + 4
echo $e->add(12, 4);
?>

The above example will output:

16

參考

classkit_method_copy()
classkit_method_redefine()
classkit_method_remove()
classkit_method_rename()
create_function()