runkit7_method_add

(PECL runkit7 >= Unknown)

runkit7_method_add — Dynamically adds a new method to a given class

说明

runkit7_method_add ( string $classname , string $methodname , string $args , string $code , int $flags = RUNKIT7_ACC_PUBLIC , string $doc_comment = null , string $return_type = ? , bool $is_strict = ? ) : bool
runkit7_method_add ( string $classname , string $methodname , Closure $closure , int $flags = RUNKIT7_ACC_PUBLIC , string $doc_comment = null , string $return_type = ? , bool $is_strict = ? ) : bool

参数

classname

The class to which this method will be added

methodname

The name of the method to add

args

Comma-delimited list of arguments for the newly-created method

code

The code to be evaluated when methodname is called

closure

A closure that defines the method.

flags

The type of method to create, can be RUNKIT7_ACC_PUBLIC, RUNKIT7_ACC_PROTECTED or RUNKIT7_ACC_PRIVATE optionally combined via bitwise OR with RUNKIT7_ACC_STATIC

doc_comment

The doc comment of the method.

return_type

The return type of the method.

is_strict

Whether the method behaves 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。

范例

示例 #1 runkit7_method_add() example

<?php
class Example {
    function foo() {
        echo "foo!\n";
    }
}

// create an Example object
$e = new Example();

// Add a new public method
runkit7_method_add(
    'Example',
    'add',
    '$num1, $num2',
    'return $num1 + $num2;',
    RUNKIT7_ACC_PUBLIC
);

// add 12 + 4
echo $e->add(12, 4);
?>

以上例程会输出：

16

参见