uopz_add_function

(PECL uopz 5, PECL uopz 6, PECL uopz 7)

uopz_add_function — Adds non-existent function or method

说明

uopz_add_function(string $function, Closure $handler, int &$flags = ZEND_ACC_PUBLIC): bool

uopz_add_function(
    string $class,
    string $function,
    Closure $handler,
    int &$flags = ZEND_ACC_PUBLIC,
    int &$all = true
): bool

Adds a non-existent function or method.

参数

class: The name of the class.
function: The name of the function or method.
handler: The Closure that defines the new function or method.
flags: Flags to set for the new function or method.
all: Whether all classes that descend from class will also be affected.

返回值

成功时返回 true，或者在失败时返回 false。

错误／异常

uopz_add_function() throws a RuntimeException if the function or method to add already exists.

示例

示例 #1 Basic uopz_add_function() Usage

<?php
uopz_add_function('foo', function () {echo 'bar';});
foo();
?>

以上示例会输出：

bar

参见

uopz_del_function() - Deletes previously added function or method
uopz_set_return() - Provide a return value for an existing function

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