PHP Exceptions\InvalidArgumentException::assertMethodName Examples

Example #1

File: InvokeFirst.php Project: reeze/functional-php

/**
 * Calls the method named by $methodName on first value in the collection. Any extra arguments passed to invoke will be
 * forwarded on to the method invocation.
 *
 * @param Traversable|array $collection
 * @param string $methodName
 * @param array $arguments
 * @return array
 */
function invoke_first($collection, $methodName, array $arguments = array())
{
    Exceptions\InvalidArgumentException::assertCollection($collection, __FUNCTION__, 1);
    Exceptions\InvalidArgumentException::assertMethodName($methodName, __FUNCTION__, 2);
    foreach ($collection as $index => $element) {
        $value = null;
        $callback = array($element, $methodName);
        if (is_callable($callback)) {
            return call_user_func_array($callback, $arguments);
        }
    }
    return null;
}