runkit 函数
PHP 手册

runkit_method_add

(PECL runkit >= 0.7.0)

runkit_method_addDynamically adds a new method to a given class

说明

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

此函数是实验性的。此函数的表象,包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担 。

参数

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 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.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

范例

Example #1 runkit_method_add() example

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

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

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

// add 12 + 4
echo $e->add(124);
?>

以上例程会输出:

16

参见


runkit 函数
PHP 手册