AlkantarClanX12
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<?php
namespace Yoast\WP\SEO\Helpers;
use Yoast\WP\SEO\Models\SEO_Links;
/**
* A helper object for URLs.
*/
class Url_Helper {
/**
* Retrieve home URL with proper trailing slash.
*
* @param string $path Path relative to home URL.
* @param string|null $scheme Scheme to apply.
*
* @return string Home URL with optional path, appropriately slashed if not.
*/
public function home( $path = '', $scheme = null ) {
$home_url = \home_url( $path, $scheme );
if ( ! empty( $path ) ) {
return $home_url;
}
$home_path = \wp_parse_url( $home_url, \PHP_URL_PATH );
if ( $home_path === '/' ) { // Home at site root, already slashed.
return $home_url;
}
if ( \is_null( $home_path ) ) { // Home at site root, always slash.
return \trailingslashit( $home_url );
}
if ( \is_string( $home_path ) ) { // Home in subdirectory, slash if permalink structure has slash.
return \user_trailingslashit( $home_url );
}
return $home_url;
}
/**
* Check whether a url is relative.
*
* @param string $url URL string to check.
*
* @return bool True when url is relative.
*/
public function is_relative( $url ) {
return ( \strpos( $url, 'http' ) !== 0 && \strpos( $url, '//' ) !== 0 );
}
/**
* Gets the path from the passed URL.
*
* @param string $url The URL to get the path from.
*
* @codeCoverageIgnore It only wraps a WordPress function.
*
* @return string The path of the URL. Returns an empty string if URL parsing fails.
*/
public function get_url_path( $url ) {
return (string) \wp_parse_url( $url, \PHP_URL_PATH );
}
/**
* Determines the file extension of the given url.
*
* @param string $url The URL.
*
* @return string The extension.
*/
public function get_extension_from_url( $url ) {
$path = $this->get_url_path( $url );
if ( $path === '' ) {
return '';
}
$parts = \explode( '.', $path );
if ( empty( $parts ) || \count( $parts ) === 1 ) {
return '';
}
return \end( $parts );
}
/**
* Ensures that the given url is an absolute url.
*
* @param string $url The url that needs to be absolute.
*
* @return string The absolute url.
*/
public function ensure_absolute_url( $url ) {
if ( ! \is_string( $url ) || $url === '' ) {
return $url;
}
if ( $this->is_relative( $url ) === true ) {
return $this->build_absolute_url( $url );
}
return $url;
}
/**
* Parse the home URL setting to find the base URL for relative URLs.
*
* @param string $path Optional path string.
*
* @return string
*/
public function build_absolute_url( $path = null ) {
$path = \wp_parse_url( $path, \PHP_URL_PATH );
$url_parts = \wp_parse_url( \home_url() );
$base_url = \trailingslashit( $url_parts['scheme'] . '://' . $url_parts['host'] );
if ( ! \is_null( $path ) ) {
$base_url .= \ltrim( $path, '/' );
}
return $base_url;
}
/**
* Returns the link type.
*
* @param array $url The URL, as parsed by wp_parse_url.
* @param array $home_url Optional. The home URL, as parsed by wp_parse_url. Used to avoid reparsing the home_url.
* @param bool $is_image Whether or not the link is an image.
*
* @return string The link type.
*/
public function get_link_type( $url, $home_url = null, $is_image = false ) {
// If there is no scheme and no host the link is always internal.
// Beware, checking just the scheme isn't enough as a link can be //yoast.com for instance.
if ( empty( $url['scheme'] ) && empty( $url['host'] ) ) {
return ( $is_image ) ? SEO_Links::TYPE_INTERNAL_IMAGE : SEO_Links::TYPE_INTERNAL;
}
// If there is a scheme but it's not https? then the link is always external.
if ( ! \in_array( $url['scheme'], [ 'http', 'https' ], true ) ) {
return ( $is_image ) ? SEO_Links::TYPE_EXTERNAL_IMAGE : SEO_Links::TYPE_EXTERNAL;
}
if ( \is_null( $home_url ) ) {
$home_url = \wp_parse_url( \home_url() );
}
// When the base host is equal to the host.
if ( isset( $url['host'] ) && $url['host'] !== $home_url['host'] ) {
return ( $is_image ) ? SEO_Links::TYPE_EXTERNAL_IMAGE : SEO_Links::TYPE_EXTERNAL;
}
// There is no base path and thus all URLs of the same domain are internal.
if ( empty( $home_url['path'] ) ) {
return ( $is_image ) ? SEO_Links::TYPE_INTERNAL_IMAGE : SEO_Links::TYPE_INTERNAL;
}
// When there is a path and it matches the start of the url.
if ( isset( $url['path'] ) && \strpos( $url['path'], $home_url['path'] ) === 0 ) {
return ( $is_image ) ? SEO_Links::TYPE_INTERNAL_IMAGE : SEO_Links::TYPE_INTERNAL;
}
return ( $is_image ) ? SEO_Links::TYPE_EXTERNAL_IMAGE : SEO_Links::TYPE_EXTERNAL;
}
}