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functions.php
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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, $prefix) { if (!is_string($string)) { return false; } $prefixLength = strlen($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); } /** * Subscribe an email address to the newsletter. * * @paran string $name The name of the subscriber. * @param string $email The email address to subscribe. * @return bool True on success, false on failure. */ function wprss_sub_to_newsletter($name, $email) { $response = wp_remote_post('https://hooks.zapier.com/hooks/catch/305784/32i6y28/', [ 'body' => [ 'subscribe' => [ 'name' => $name, 'email' => $email, ], ], ]); if (is_wp_error($response)) { wpra_get_logger()->warning('Failed to subscribe to newsletter: ' . $response->get_error_message()); return false; } $status = wp_remote_retrieve_response_code($response); if ($status !== 200) { wpra_get_logger()->warning('Failed to subscribe to newsletter.'); return false; } return true; }
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