PHP マニュアル: Dynamically adds a new method to a given class

説明

bool 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 = ?
)

パラメータ

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

戻り値

成功した場合に true を、失敗した場合に false を返します。

例

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);
?>

上の例の出力は以下となります。

参考

runkit7_method_copy
runkit7_method_redefine
runkit7_method_remove
runkit7_method_rename
runkit7_function_add