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classkit_method_redefine (PECL) classkit_method_redefine -- Dynamically changes the code of the given method 說明bool classkit_method_redefine ( string classname, string methodname, string args, string code [, int flags] ) 注: 本函數不能用於動作現用的正在運行(或運行鏈上)的方法。
警示 | 本函數是實驗性的。本函數的行為,內含函數名稱以及其它任何關於本函數的文件可能會在沒有知會的情況下隨
PHP 以後的發佈而改變。使用本函數風險自擔。 |
參數
- 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
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.
返回值
若果成功則返回 TRUE,失敗則返回 FALSE。
範例
例子 1. classkit_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 classkit_method_redefine( 'Example', 'foo', '', 'return "bar!\n";', CLASSKIT_ACC_PUBLIC );
// output Example::foo() (after redefine) echo "After: " . $e->foo(); ?>
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上例將輸出: |
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