%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Helper Functions.
*
* @since 0.9.0
* @package RankMath
* @subpackage RankMath\Core
* @author Rank Math <support@rankmath.com>
*/
namespace RankMath;
use RankMath\Helpers\Api;
use RankMath\Helpers\Attachment;
use RankMath\Helpers\Conditional;
use RankMath\Helpers\Choices;
use RankMath\Helpers\Post_Type;
use RankMath\Helpers\Options;
use RankMath\Helpers\Taxonomy;
use RankMath\Helpers\WordPress;
use RankMath\Helpers\Schema;
use RankMath\Replace_Variables\Replacer;
defined( 'ABSPATH' ) || exit;
/**
* Helper class.
*/
class Helper {
use Api, Attachment, Conditional, Choices, Post_Type, Options, Taxonomy, WordPress, Schema;
/**
* Replace `%variables%` with context-dependent value.
*
* @param string $content The string containing the %variables%.
* @param array $args Context object, can be post, taxonomy or term.
* @param array $exclude Excluded variables won't be replaced.
*
* @copyright Copyright (C) 2008-2019, Yoast BV
* The following code is a derivative work of the code from the Yoast(https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
*
* @return string
*/
public static function replace_vars( $content, $args = [], $exclude = [] ) {
$replace = new Replacer();
return $replace->replace( $content, $args, $exclude );
}
/**
* Replace `%variables%` with context-dependent value.
*
* @param string $content The string containing the %variables%.
* @param array $post Context object, can be post, taxonomy or term.
*
* @return string
*/
public static function replace_seo_fields( $content, $post ) {
if ( empty( $post ) || ! in_array( $content, [ '%seo_title%', '%seo_description%', '%url%' ], true ) ) {
return self::replace_vars( $content, $post );
}
if ( '%seo_title%' === $content ) {
$default = self::get_settings( "titles.pt_{$post->post_type}_title", '%title% %sep% %sitename%' );
$title = self::get_post_meta( 'title', $post->ID, $default );
return self::replace_vars( $title, $post );
}
if ( '%seo_description%' === $content ) {
$default = self::get_settings( "titles.pt_{$post->post_type}_description", '%excerpt%' );
$desc = self::get_post_meta( 'description', $post->ID, $default );
return self::replace_vars( $desc, $post );
}
return self::get_post_meta( 'canonical', $post->ID, get_the_permalink( $post->ID ) );
}
/**
* Register extra %variables%. For developers.
*
* @codeCoverageIgnore
*
* @deprecated 1.0.34 Use rank_math_register_var_replacement()
* @see rank_math_register_var_replacement()
*
* @param string $var Variable name, for example %custom%. '%' signs are optional.
* @param mixed $callback Replacement callback. Should return value, not output it.
* @param array $args Array with additional title, description and example values for the variable.
*
* @return bool Replacement was registered successfully or not.
*/
public static function register_var_replacement( $var, $callback, $args = [] ) {
_deprecated_function( 'RankMath\Helper::register_var_replacement()', '1.0.34', 'rank_math_register_var_replacement()' );
$args['description'] = isset( $args['desc'] ) ? $args['desc'] : '';
$args['variable'] = $var;
return rank_math_register_var_replacement( $var, $args, $callback );
}
/**
* Get midnight time for the date variables.
*
* @param int $time Timestamp of date.
* @return int
*/
public static function get_midnight( $time ) {
$org_time = $time;
if ( is_numeric( $time ) ) {
$time = self::get_date( 'Y-m-d H:i:s', $time, false, true );
}
// Early bail if time format is invalid.
if ( false === strtotime( $time ) ) {
return $org_time;
}
$date = new \DateTime( $time );
$date->setTime( 0, 0, 0 );
return $date->getTimestamp();
}
/**
* Extract URL part.
*
* @param string $url The URL to parse.
* @param string $part The URL part to retrieve.
* @return string The extracted URL part.
*
* @copyright Copyright (C) 2008-2019, Yoast BV
* The following code is a derivative work of the code from the Yoast(https://github.com/Yoast/wordpress-seo/), which is licensed under GPL v3.
*/
public static function get_url_part( $url, $part ) {
$url_parts = wp_parse_url( $url );
if ( isset( $url_parts[ $part ] ) ) {
return $url_parts[ $part ];
}
return '';
}
/**
* Get current page URL.
*
* @param bool $ignore_qs Ignore query string.
* @return string
*/
public static function get_current_page_url( $ignore_qs = false ) {
$link = '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
$link = ( is_ssl() ? 'https' : 'http' ) . $link;
if ( $ignore_qs ) {
$link = explode( '?', $link );
$link = $link[0];
}
return $link;
}
/**
* Get module by ID.
*
* @param string $id ID to get module.
* @return object Module class object.
*/
public static function get_module( $id ) {
return rank_math()->manager->get_module( $id );
}
/**
* Modify module status.
*
* @param array $modules Modules to modify.
*/
public static function update_modules( $modules ) {
$stored = get_option( 'rank_math_modules', [] );
foreach ( $modules as $module => $action ) {
if ( 'off' === $action ) {
if ( in_array( $module, $stored, true ) ) {
$stored = array_diff( $stored, [ $module ] );
}
continue;
}
$stored[] = $module;
Installer::create_tables( [ $module ] );
}
update_option( 'rank_math_modules', array_unique( $stored ) );
}
/**
* Get list of currently active modules.
*
* @return array
*/
public static function get_active_modules() {
$registered_modules = rank_math()->manager->modules;
$stored = array_values( get_option( 'rank_math_modules', [] ) );
foreach ( $stored as $key => $value ) {
if (
! isset( $registered_modules[ $value ] )
|| ! is_object( $registered_modules[ $value ] )
|| ! method_exists( $registered_modules[ $value ], 'is_disabled' )
|| $registered_modules[ $value ]->is_disabled()
) {
unset( $stored[ $key ] );
}
}
return $stored;
}
/**
* Clear cache from:
* - WordPress Total Cache
* - W3 Total Cache
* - WP Super Cache
* - SG CachePress
* - WPEngine
* - Varnish
*/
public static function clear_cache() {
// Clean WordPress cache.
if ( function_exists( 'wp_cache_clear_cache' ) ) {
wp_cache_clear_cache();
}
// If W3 Total Cache is being used, clear the cache.
if ( function_exists( 'w3tc_pgcache_flush' ) ) {
w3tc_pgcache_flush();
}
// If WP Super Cache is being used, clear the cache.
if ( function_exists( 'wp_cache_clean_cache' ) ) {
global $file_prefix;
wp_cache_clean_cache( $file_prefix );
}
// If SG CachePress is installed, reset its caches.
if ( class_exists( 'SG_CachePress_Supercacher' ) && is_callable( [ 'SG_CachePress_Supercacher', 'purge_cache' ] ) ) {
\SG_CachePress_Supercacher::purge_cache();
}
// Clear caches on WPEngine-hosted sites.
if ( class_exists( 'WpeCommon' ) ) {
\WpeCommon::purge_memcached();
\WpeCommon::clear_maxcdn_cache();
\WpeCommon::purge_varnish_cache();
}
// Clear Varnish caches.
self::clear_varnish_cache();
}
/**
* Clear varnish cache for the dynamic files.
* Credit @davidbarratt: https://github.com/davidbarratt/varnish-http-purge
*/
private static function clear_varnish_cache() {
// Parse the URL for proxy proxies.
$parsed_url = wp_parse_url( home_url() );
// Build a varniship.
$varniship = get_option( 'vhp_varnish_ip' );
if ( defined( 'VHP_VARNISH_IP' ) && false !== VHP_VARNISH_IP ) {
$varniship = VHP_VARNISH_IP;
}
// If we made varniship, let it sail.
$purgeme = ( isset( $varniship ) && null !== $varniship ) ? $varniship : $parsed_url['host'];
wp_remote_request(
'http://' . $purgeme,
[
'method' => 'PURGE',
'headers' => [
'host' => $parsed_url['host'],
'X-Purge-Method' => 'default',
],
]
);
}
/**
* Is localhost.
*
* @return boolean
*/
public static function is_localhost() {
$whitelist = [
'127.0.0.1', // IPv4 address.
'::1', // IPv6 address.
];
$ip = filter_input( INPUT_SERVER, 'REMOTE_ADDR', FILTER_VALIDATE_IP );
return in_array( $ip, $whitelist, true );
}
/**
* Get date using date_i18n() or date().
*
* @param string $format Format to display the date.
* @param int|boolean $timestamp_with_offset A sum of Unix timestamp and timezone offset in seconds.
* @param boolean $gmt Whether to use GMT timezone. Only applies if timestamp is not provided.
* @param boolean $mode Whether to use date() or date_i18n().
* @return mixin
*/
public static function get_date( $format, $timestamp_with_offset = false, $gmt = false, $mode = false ) {
if ( true === $mode ) {
return date( $format, $timestamp_with_offset ); // phpcs:ignore
}
return date_i18n( $format, $timestamp_with_offset, $gmt );
}
}
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