/**
* Retrieve a specific component from a parsed URL array.
*
* @internal
*
* @since 4.7.0
*
* @param array|false $url_parts The parsed URL. Can be false if the URL failed to parse.
* @param int $component The specific component to retrieve. Use one of the PHP
* predefined constants to specify which one.
* Defaults to -1 (= return all parts as an array).
* @see http://php.net/manual/en/function.parse-url.php
* @return mixed False on parse failure; Array of URL components on success;
* When a specific component has been requested: null if the component
* doesn't exist in the given URL; a sting or - in the case of
* PHP_URL_PORT - integer when it does. See parse_url()'s return values.
*/
function _get_component_from_parsed_url_array($url_parts, $component = -1)
{
if (-1 === $component) {
return $url_parts;
}
$key = _wp_translate_php_url_constant_to_key($component);
if (false !== $key && is_array($url_parts) && isset($url_parts[$key])) {
return $url_parts[$key];
} else {
return null;
}
}
/**
* @ticket 36356
*
* @dataProvider wp_translate_php_url_constant_to_key_testcases
*/
function test_wp_translate_php_url_constant_to_key($input, $expected)
{
$actual = _wp_translate_php_url_constant_to_key($input);
$this->assertSame($expected, $actual);
}
