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<?php
/**
* Common functions.
*
* @package Iubenda
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! function_exists( 'iub_array_get' ) ) {
/**
* Iubenda array get
*
* @param array $target_array An array from which we want to retrieve some information.
* @param string $key A string separated by . of keys describing the path with which to retrieve information.
* @param mixed $default_value Optional. The return value if the path does not exist within the array.
*
* @return array|ArrayAccess|mixed|null
*/
function iub_array_get( $target_array, $key, $default_value = null ) {
if ( ! ( is_array( $target_array ) || $target_array instanceof ArrayAccess ) ) {
return $default_value instanceof Closure ? $default_value() : $default_value;
}
if ( is_null( $key ) ) {
return $target_array;
}
if ( array_key_exists( $key, $target_array ) ) {
return $target_array[ $key ];
}
if ( strpos( $key, '.' ) === false ) {
return $target_array[ $key ] ?? ( $default_value instanceof Closure ? $default_value() : $default_value );
}
foreach ( explode( '.', $key ) as $segment ) {
if ( ( is_array( $target_array ) || $target_array instanceof ArrayAccess ) && ( array_key_exists( $segment, $target_array ) ) ) {
$target_array = $target_array[ $segment ];
} else {
return $default_value instanceof Closure ? $default_value() : $default_value;
}
}
return $target_array;
}
}
if ( ! function_exists( 'iub_array_only' ) ) {
/**
* Return only intersects keys with the array
*
* @param array $target_array Array.
* @param array|string $keys Keys.
*
* @return array
*/
function iub_array_only( array $target_array, $keys ) {
return array_intersect_key( $target_array, array_flip( (array) $keys ) );
}
}
if ( ! function_exists( '__iub_trans' ) ) {
/**
* Translate a specific string into a specific language.
*
* @param string $target_string specific string.
* @param string $locale specific language.
* @param string $text_domain Optional. as default iubenda.
*
* @return string|void
*/
function __iub_trans( $target_string, $locale, $text_domain = 'iubenda' ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
$mo = new MO();
$mofile = IUBENDA_PLUGIN_PATH . 'languages/' . $text_domain . '-' . $locale . '.mo';
if ( file_exists( $mofile ) ) {
$mo->import_from_file( $mofile );
// phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.WP.I18n.NonSingularStringLiteralDomain
$target_string = esc_html__( $mo->translate( $target_string ) );
}
// phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.WP.I18n.NonSingularStringLiteralDomain
return $target_string;
}
}
if ( ! function_exists( 'iub_verify_ajax_request' ) ) {
/**
* Custom ajax verification request with nonce check and permission check.
*
* @param int|string $action Action nonce.
* @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false,
* `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce'
* (in that order). Default false.
* @param string $capability Capability name.
* @param bool $should_die Optional. Whether to die early when the nonce cannot be verified.
* Default true.
*
* @return void
*/
function iub_verify_ajax_request( $action, $query_arg = false, $capability = 'manage_options', $should_die = false ) {
if (
! check_ajax_referer( $action, $query_arg, $should_die ) ||
! current_user_can( apply_filters( 'iubenda_cookie_law_cap', $capability ) )
) {
wp_die( esc_html__( 'Sorry, you are not authorized to perform this action.' ), 403 );
}
}
}
if ( ! function_exists( 'iub_verify_user_capability' ) ) {
/**
* Check if the current user have any capability or not.
*
* @param array $capabilities Capability names.
*
* @return void
*/
function iub_verify_user_capability( array $capabilities = array() ) {
// If running in WP-CLI context, no need to check capabilities, so return.
if ( iubenda::is_wp_cli() ) {
return;
}
if ( ! $capabilities ) {
// Set default capability.
$capabilities = array( 'manage_options' );
}
foreach ( $capabilities as $capability ) {
if ( current_user_can( apply_filters( 'iubenda_cookie_law_cap', $capability ) ) ) {
return;
}
}
wp_die( esc_html__( 'Sorry, you are not authorized to perform this action.' ), 403 );
}
}
if ( ! function_exists( 'iub_verify_postback_request' ) ) {
/**
* Custom postback verification request with nonce check and permission check.
*
* @param int|string $action Action nonce.
* @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false,
* `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce'
* (in that order). Default false.
* @param string $capability Capability name.
*
* @return void
*/
function iub_verify_postback_request( $action, $query_arg = '_wpnonce', $capability = 'manage_options' ) {
if (
! check_admin_referer( $action, $query_arg ) ||
! current_user_can( apply_filters( 'iubenda_cookie_law_cap', $capability ) )
) {
wp_die( esc_html__( 'Sorry, you are not authorized to perform this action.' ), 403 );
}
}
}
if ( ! function_exists( 'iub_get_request_parameter' ) ) {
/**
* Gets the request parameter.
*
* @param string $key The query parameter.
* @param string $default_value The default value to return if not found.
* @param string $with_sanitize With sanitize. Default true.
*
* @return string The request parameter.
*/
function iub_get_request_parameter( string $key, $default_value = '', $with_sanitize = true ) {
// If key not exist or empty return default.
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
if ( ! isset( $_REQUEST[ $key ] ) || empty( $_REQUEST[ $key ] ) ) {
return $default_value;
}
if ( $with_sanitize ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
return sanitize_key( $_REQUEST[ $key ] );
}
// phpcs:ignore WordPress.Security.NonceVerification.Recommended, WordPress.Security.ValidatedSanitizedInput.MissingUnslash, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
return $_REQUEST[ $key ];
}
}
if ( ! function_exists( 'iub_is_polylang_active' ) ) {
/**
* Check if Polylang plugin installed and activated.
*
* @return bool
*/
function iub_is_polylang_active() {
$result = false;
if ( ! function_exists( 'is_plugin_active' ) ) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
}
$polylang_plugin_status = is_plugin_active( 'polylang/polylang.php' ) || is_plugin_active( 'polylang-pro/polylang.php' );
if ( $polylang_plugin_status && function_exists( 'PLL' ) ) {
$result = true;
}
return $result;
}
}
if ( ! function_exists( 'iub_is_wpml_active' ) ) {
/**
* Check if WPML plugin installed and activated.
*
* @return bool
*/
function iub_is_wpml_active() {
$result = false;
if ( ! function_exists( 'is_plugin_active' ) ) {
include_once ABSPATH . 'wp-admin/includes/plugin.php';
}
$sitepress_plugin_status = is_plugin_active( 'sitepress-multilingual-cms/sitepress.php' ) || is_plugin_active( 'wpml-multilingual-cms/sitepress.php' );
if ( $sitepress_plugin_status && class_exists( 'SitePress' ) ) {
$result = true;
}
return $result;
}
}
if ( ! function_exists( 'iub_caught_exception' ) ) {
/**
* When catching an exception, this allows us to log it if unexpected.
*
* @param Exception|Error $e The exception object.
*/
function iub_caught_exception( $e ) {
$message = 'Exception (' . get_class( $e ) . ') occurred during enqueuing embed code. Exception Message: ' . $e->getMessage() . ' (Code: ' . $e->getCode() . ', line ' . $e->getLine() . ' in ' . $e->getFile() . ')';
// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log
error_log( "Exception caught. $message." );
}
}
if ( ! function_exists( 'can_use_dom_document_class' ) ) {
/**
* Check if Dom document not exists or there is outdated modules.
*
* @return bool
*/
function can_use_dom_document_class() {
if ( ! class_exists( 'DOMDocument' ) ) {
return false;
}
if ( defined( 'LIBXML_DOTTED_VERSION' ) && extension_loaded( 'libxml' ) ) {
return ! version_compare( LIBXML_DOTTED_VERSION, '2.7.8', '<' );
}
return true;
}
}
if ( ! function_exists( 'iub_check_current_theme_supports_widget' ) ) {
/**
* Check current theme supports widget
*/
function iub_check_current_theme_supports_widget() {
return (bool) current_theme_supports( 'widgets' );
}
}