Dynamically adds a new method to a given class

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- PHP Manual
- runkit7 Functions
- Dynamically adds a new method to a given class

# runkit7_method_add

(PECL runkit7 >= Unknown)

runkit7_method_add — Dynamically adds a new method to a given class

### Description

runkit7_method_add(
string `$class_name`,
string `$method_name`,
string `$argument_list`,
string `$code`,
int `$flags` = RUNKIT7_ACC_PUBLIC,
string `$doc_comment` = `null`,
string `$return_type` = ?,
bool `$is_strict` = ?
): bool
runkit7_method_add(
string `$class_name`,
string `$method_name`,
Closure `$closure`,
int `$flags` = RUNKIT7_ACC_PUBLIC,
string `$doc_comment` = `null`,
string `$return_type` = ?,
bool `$is_strict` = ?
): bool

### Parameters

`class_name`

  The class to which this method will be added

`method_name`

  The name of the method to add

`argument_list`

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

`code`

  The code to be evaluated when `method_name` 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`

### Return Values

Returns `true` on success or `false` on failure.

### Examples

Example #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);
    ?>

The above example will output:

    16

### See Also

- runkit7_method_copy() - Copies a method from class to another
- runkit7_method_redefine() - Dynamically changes the code of the given method
- runkit7_method_remove() - Dynamically removes the given method
- runkit7_method_rename() - Dynamically changes the name of the given method
- runkit7_function_add() - Add a new function, similar to create_function