PHP - Manual: runkit7_function_redefine
2024-11-13
(PECL runkit7 >= Unknown)
runkit7_function_redefine — Replace a function definition with a new implementation
$function_name
,$argument_list
,$code
,$return_by_reference
= null
,$doc_comment
= null
,$return_type
= ?,$is_strict
= ?$function_name
,$closure
,$doc_comment
= null
,$return_type
= ?,$is_strict
= ?注意: 默认情况下,仅在用户空间可删除,重命名,或者修改函数。为了覆盖内部函数,必须启用 php.ini 中的
runkit.internal_override
设置。
function_name
Name of function to redefine
argument_list
New list of arguments to be accepted by function
code
New code implementation
closure
A closure that defines the function.
return_by_reference
Whether the function should return by reference.
doc_comment
The doc comment of the function.
return_type
The return type of the function.
is_strict
Whether the function behaves as if it was declared in a file with strict_types=1
成功时返回 true
, 或者在失败时返回 false
。
示例 #1 A runkit7_function_redefine() example
<?php
function testme() {
echo "Original Testme Implementation\n";
}
testme();
runkit7_function_redefine('testme','','echo "New Testme Implementation\n";');
testme();
?>
以上例程会输出:
Original Testme Implementation New Testme Implementation
官方地址:https://www.php.net/manual/en/function.runkit7-function-redefine.php