runkit_method_redefine
(PECL runkit >= 0.7.0)
runkit_method_redefine — Dynamically changes the code of the given method
说明
runkit_method_redefine (
string
$classname ,
string $methodname ,
string $args ,
string $code [,
int $flags = RUNKIT_ACC_PUBLIC [,
string $doc_comment = NULL ]] ) :
bool
runkit_method_redefine (
string
$classname ,
string $methodname ,
Closure $closure [,
int $flags = RUNKIT_ACC_PUBLIC [,
string $doc_comment = NULL ]] ) :
bool
Note: 此函数不能用来操作当前正常运行（或运行链上）的方法。
参数
-
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
methodnameis called -
closure -
A closure that defines the method.
-
flags -
The redefined method can be
RUNKIT_ACC_PUBLIC,RUNKIT_ACC_PROTECTEDorRUNKIT_ACC_PRIVATEoptionally combined via bitwise OR withRUNKIT_ACC_STATIC(since 1.0.1) -
doc_comment -
The doc comment of the function.
返回值
成功时返回 TRUE， 或者在失败时返回 FALSE。
更新日志
| 版本 | 说明 |
|---|---|
| runkit 1.0.4 | An alternative syntax expecting a closure has been added. |
| runkit 1.0.4 | The optional parameter doc_comment has been added. |
范例
Example #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();
?>
以上例程会输出：
Before: foo! After: bar!
参见
- runkit_method_add() - Dynamically adds a new method to a given class
- runkit_method_copy() - Copies a method from class to another
- runkit_method_remove() - Dynamically removes the given method
- runkit_method_rename() - Dynamically changes the name of the given method
- runkit_function_redefine() - Replace a function definition with a new implementation
