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<?php
use Aventura\Wprss\Core\Model\Regex\HtmlEncoder;
/**
* Helper and misc functions.
*
* @todo Make this part of Core instead
*/
/**
* Checks if developer mode is enabled.
*
* @since 4.15.1
*
* @return bool
*/
function wpra_is_dev_mode()
{
return apply_filters('wpra_dev_mode', false) === true;
}
/**
* WP RSS Aggregator's version of {@link wp_remote_get()}.
*
* It ensures that the feed request useragent is used as the HTTP request's User Agent String.
*
* @since 4.15.1
*
* @see https://developer.wordpress.org/reference/classes/WP_Http/request/ Information on the $args array parameter.
*
* @param string $url The URL
* @param array $args The arguments.
*
* @return array|WP_Error
*/
function wpra_remote_get($url, $args)
{
$args['user-agent'] = wprss_get_general_setting('feed_request_useragent');
return wp_remote_get($url, $args);
}
/**
* WP RSS Aggregator's version of {@link wp_safe_remote_get()}.
*
* It ensures that the feed request useragent is used as the HTTP request's User Agent String.
*
* @since 4.15.1
*
* @see https://developer.wordpress.org/reference/classes/WP_Http/request/ Information on the $args array parameter.
*
* @param string $url The URL
* @param array $args The arguments.
*
* @return array|WP_Error
*/
function wpra_safe_remote_get($url, $args)
{
$args['user-agent'] = wprss_get_general_setting('feed_request_useragent');
return wp_safe_remote_get($url, $args);
}
/**
* Utility function for checking a plugin's state, even if it's inactive.
*
* @since 4.15.1
*
* @param string $basename The basename of the plugin.
*
* @return int 0 if the plugin is not installed, 1 if installed but not activated, 2 if installed and activated.
*/
function wpra_get_plugin_state($basename)
{
if (!function_exists('is_plugin_active') && file_exists(ABSPATH . 'wp-admin/includes/plugin.php')) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
// ACTIVE
if (function_exists('is_plugin_active') && is_plugin_active($basename)) {
return 2;
}
// INSTALLED & INACTIVE
if (file_exists(WP_PLUGIN_DIR . '/' . $basename) && is_plugin_inactive($basename)) {
return 1;
}
// NOT INSTALLED
return 0;
}
/**
* Utillity function for generating a URL that activates a plugin.
*
* @since 4.15.1
*
* @param string $basename The basename of the plugin.
*
* @return string
*/
function wpra_get_activate_plugin_url($basename)
{
return wp_nonce_url(
sprintf('plugins.php?action=activate&plugin=%s', $basename),
sprintf('activate-plugin_%s', $basename)
);
}
/**
* Retrieves the callbacks that are attached to a hook.
*
* @since 4.18
*
* @param string $hook The hook name.
*
* @return callable[] A list of callbacks.
*/
function wpra_get_hook_callbacks($hook)
{
global $wp_filter;
$results = [];
if (isset($wp_filter[$hook])) {
$hook = $wp_filter[$hook];
foreach ($hook->callbacks as $list) {
foreach ($list as $callback) {
$results[] = $callback;
}
}
}
return $results;
}
/**
* Returns a representation of an HTML expression that matches all representations of that HTML.
*
* @since 4.14
*
* @param string $expr The expression to encodify.
* @param string|null $delim The delimiter of the expression.
*
* @return string The encodified HTML expression.
*/
function wprss_html_regex_encodify($expr, $delim = null)
{
static $instance;
if ($instance === null) {
$instance = new HtmlEncoder();
}
$instance->reset();
if ($delim !== null) {
// Not a bug: the `setDelimiter` method call is handled using magic `__call()`
$instance->setDelimiter($delim);
}
return $instance->encodify($expr);
}
if (!function_exists('wprss_get_namespace')) {
/**
* Get the namespace of a class
*
* @since 1.0
* @param string|object|null $class The class name or instance, for which to get the namespace.
* @param int|null $depth The depth of the namespace to retrieve.
* If omitted, the whole namespace will be retrieved.
* @param bool $asString If true, the result will be a string; otherwise, array with namespace parts.
* @return array|string The namespace of the class.
*/
function wprss_get_namespace($class, $depth = null, $asString = false)
{
$ns = '\\';
// Can accept an instance
if (is_object($class)) {
$class = get_class($class);
}
$namespace = explode($ns, (string) $class);
// This was a root class name, no namespace
array_pop($namespace);
if (!count($namespace)) {
return null;
}
$namespace = array_slice($namespace, 0, $depth);
return $asString ? implode($ns, $namespace) : $namespace;
}
}
if (!function_exists('wprss_is_root_namespace')) {
/**
* Check if a namespace is a root namespace.
*
* @since 1.0
* @param string $namespace The namespace to check.
* @param bool $checkClass If true, and a class or interface with the name of the specified namespace exists,
* will make this function return true. Otherwise, the result depends purely on the namespace string.
* @return boolean True if the namespace is a root namespace; false otherwise.
*/
function wprss_is_root_namespace($namespace, $checkClass = true) {
$isRoot = substr($namespace, 0, 1) === '\\';
return $checkClass
? $isRoot || class_exists($namespace)
: $isRoot;
}
}
if (!function_exists('string_had_prefix')) {
/**
* Check for and possibly remove a prefix from a string.
*
* @since 1.0
* @param string $string The string to check and normalize.
* @param string $prefix The prefix to check for.
* @return string Checks if a string starts with the specified prefix.
* If yes, removes it and returns true; otherwise, false;
*/
function string_had_prefix(&$string, $prefix)
{
$prefixLength = strlen($prefix);
if (substr($string, 0, $prefixLength) === $prefix) {
$string = substr($string, $prefixLength);
return true;
}
return false;
}
}
if (!function_exists('uri_is_absolute')) {
/**
* Check if the URI is absolute.
*
* Check is made based on whether or not there's a '//' sequence
* somewhere in the beginning.
*
* @since 1.0
* @param string $uri The URI to check.
* @return boolean True of the given string contains '//' within the first 10 chars;
* otherwise, false.
*/
function uri_is_absolute($uri)
{
$beginning = substr($uri, 0, 10);
return strpos($beginning, '//') !== false;
}
}
if ( ! function_exists('array_merge_recursive_distinct') ) {
/**
* array_merge_recursive does indeed merge arrays, but it converts values with duplicate
* keys to arrays rather than overwriting the value in the first array with the duplicate
* value in the second array, as array_merge does. I.e., with array_merge_recursive,
* this happens (documented behavior):
*
* array_merge_recursive(array('key' => 'org value'), array('key' => 'new value'));
* => array('key' => array('org value', 'new value'));
*
* array_merge_recursive_distinct does not change the datatypes of the values in the arrays.
* Matching keys' values in the second array overwrite those in the first array, as is the
* case with array_merge, i.e.:
*
* array_merge_recursive_distinct(array('key' => 'org value'), array('key' => 'new value'));
* => array('key' => array('new value'));
*
* Parameters are passed by reference, though only for performance reasons. They're not
* altered by this function.
*
* @since 1.0
* @param array $array1
* @param array $array2
* @return array
* @author Daniel <daniel (at) danielsmedegaardbuus (dot) dk>
* @author Gabriel Sobrinho <gabriel (dot) sobrinho (at) gmail (dot) com>
*/
function array_merge_recursive_distinct ( array &$array1, array &$array2 ) {
$merged = $array1;
foreach ( $array2 as $key => &$value ) {
if ( is_array ( $value ) && isset ( $merged [$key] ) && is_array ( $merged [$key] ) ) {
$merged [$key] = array_merge_recursive_distinct ( $merged [$key], $value );
}
else $merged [$key] = $value;
}
return $merged;
}
}
if (!function_exists('array_pick')) {
/**
* Picks values with certain keys from an array.
*
* @since 1.0
* @param array $array An array, from which to pick. Will not be modified; passed by refrence for efficiency.
* @param string|int|array $keys A key or array of keys to pick.
* @return array
*/
function array_pick($array, $keys)
{
$keys = (array)$keys;
return array_intersect_key($array, array_flip($keys));
}
}
/**
* Retrieve cron jobs ready to be run.
*
* @since 4.17
*
* @return array Cron jobs ready to be run.
*/
function wpra_get_ready_cron_jobs() {
if (function_exists('wp_get_ready_cron_jobs')) {
return wp_get_ready_cron_jobs();
}
$pre = apply_filters('pre_get_ready_cron_jobs', null);
if ($pre !== null) {
return $pre;
}
$crons = _get_cron_array();
if ($crons === false) {
return [];
}
$keys = array_keys($crons);
$gmt_time = microtime(true);
if (isset($keys[0]) && $keys[0] > $gmt_time) {
return [];
}
$results = [];
foreach ($crons as $timestamp => $cronhooks) {
if ($timestamp > $gmt_time) {
break;
}
$results[$timestamp] = $cronhooks;
}
return $results;
}
/**
* Retrieves the translation for some text from the "wprss" domain.
*
* @since 4.17.3
*
* @param string $text The text whose translation to retrieve.
*
* @return string
*/
function wprss_translate($text)
{
$translations = get_translations_for_domain('wprss');
return $translations->translate($text);
}
/**
* Retrieves the singular or plural translation for some text from the "wprss" domain.
*
* @since 4.17.3
*
* @param string $single The singular text.
* @param string $plural The plural text.
* @param int $number The amount, used to determine whether the singular or plural translation will be retrieved.
*
* @return string
*/
function wprss_translate_n($single, $plural, $number)
{
$translations = get_translations_for_domain('wprss');
return $translations->translate_plural($single, $plural, $number);
}