runkit_method_add
(PECL runkit:0.7-0.9)
runkit_method_add — Dynamically adds a new method to a given class
Description
bool runkit_method_add
( string $classname
, string $methodname
, string $args
, string $code
[, int $flags
] )
Warning
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 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.
Return Values
成功回傳TRUE失敗回傳FALSE。
範例
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(12, 4);
?>
The above example will output:
16