runkit7_function_redefine
(PECL runkit7 >= Unknown)
runkit7_function_redefine — Replace a function definition with a new implementation
説明
runkit7_function_redefine(
string
string
string
bool
string
string
bool
): bool
string
$function_name
,string
$argument_list
,string
$code
,bool
$return_by_reference
= null
,string
$doc_comment
= null
,string
$return_type
= ?,bool
$is_strict
= ?): bool
runkit7_function_redefine(
string
Closure
string
string
bool
): bool
string
$function_name
,Closure
$closure
,string
$doc_comment
= null
,string
$return_type
= ?,bool
$is_strict
= ?): bool
注意: デフォルトでは、 削除・リネーム・変更が可能なのはユーザー定義関数だけです。組み込み関数を オーバーライドするには、php.ini で
runkit.internal_override
を有効にする必要があります。
パラメータ
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
例
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();
?>
上の例の出力は以下となります。
Original Testme Implementation New Testme Implementation
参考
- runkit7_function_add() - Add a new function, similar to create_function
- runkit7_function_copy() - Copy a function to a new function name
- runkit7_function_rename() - Change a function's name
- runkit7_function_remove() - Remove a function definition
- runkit7_method_redefine() - Dynamically changes the code of the given method
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