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<?php

/**

* Copyright (C) 2011-2017 by Lars Strojny <lstrojny@php.net>

*

* Permission is hereby granted, free of charge, to any person obtaining a copy

* of this software and associated documentation files (the "Software"), to deal

* in the Software without restriction, including without limitation the rights

* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

* copies of the Software, and to permit persons to whom the Software is

* furnished to do so, subject to the following conditions:

*

* The above copyright notice and this permission notice shall be included in

* all copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

* THE SOFTWARE.

*/

namespace Functional;

use Functional\Exceptions\InvalidArgumentException;

/**

* Returns a function that expects an object as the first param and tries to invoke the given method on it

*

* @param string $methodName

* @param array $arguments

* @param mixed $defaultValue

* @return callable

*/

function partial_method($methodName, array $arguments = [], $defaultValue = null)

{

InvalidArgumentException::assertMethodName($methodName, __FUNCTION__, 1);

return function ($object) use ($methodName, $arguments, $defaultValue) {

if (!\is_callable([$object, $methodName])) {

return $defaultValue;

}

return $object->{$methodName}(...$arguments);

};

}