runkit7_function_add

(PECL runkit7 >= Unknown)

runkit7_function_add — Add a new function, similar to create_function()

说明

runkit7_function_add(
    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_add(
    string $function_name,
    Closure $closure,
    string $doc_comment = null,
    string $return_type = ?,
    bool $is_strict = ?
): bool

参数

function_name: Name of the function to be created
argument_list: Comma separated argument list
code: Code making up the function
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 should behave as if it were declared in a file with strict_types=1

返回值

成功时返回 true，或者在失败时返回 false。

示例

示例 #1 A runkit7_function_add() example

<?php
runkit7_function_add('testme','$a,$b','echo "The value of a is $a\n"; echo "The value of b is $b\n";');
testme(1,2);
?>

以上示例会输出：

The value of a is 1
The value of b is 2

参见

create_function() - 通过执行代码字符串创建动态函数
runkit7_function_redefine() - Replace a function definition with a new implementation
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_add() - Dynamically adds a new method to a given class