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<?php
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/**
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* Generic helper functions.
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*
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* @since 1.8.0
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*/
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use WPForms\Helpers\Chain;
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/**
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* Get a suffix for assets, `.min` if debug is disabled.
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*
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* @since 1.4.1
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*
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* @return string
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*/
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function wpforms_get_min_suffix() {
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return wpforms_debug() ? '' : '.min';
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}
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/**
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* Chain monad, useful for chaining certain array or string related functions.
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*
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* @since 1.5.6
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*
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* @param mixed $value Any data.
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*
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* @return Chain
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*/
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function wpforms_chain( $value ) {
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return Chain::of( $value );
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}
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/**
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* Convert object to an array.
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*
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* @since 1.1.7
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*
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* @param object $object Object to convert.
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*
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* @return mixed
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*/
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function wpforms_object_to_array( $object ) {
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if ( ! is_object( $object ) && ! is_array( $object ) ) {
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return $object;
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}
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if ( is_object( $object ) ) {
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$object = get_object_vars( $object );
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}
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return array_map( 'wpforms_object_to_array', $object );
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}
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/**
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* Insert an array into another array before/after a certain key.
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*
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* @link https://gist.github.com/scribu/588429
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*
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* @since 1.3.9
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*
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* @param array $array The initial array.
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* @param array $pairs The array to insert.
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* @param string $key The certain key.
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* @param string $position Where to insert the array - before or after the key.
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*
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* @return array
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*/
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function wpforms_array_insert( $array, $pairs, $key, $position = 'after' ) {
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$key_pos = array_search( $key, array_keys( $array ), true );
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if ( $position === 'after' ) {
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$key_pos ++;
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}
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if ( $key_pos !== false ) {
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$result = array_slice( $array, 0, $key_pos );
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$result = array_merge( $result, $pairs );
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$result = array_merge( $result, array_slice( $array, $key_pos ) );
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} else {
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$result = array_merge( $array, $pairs );
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}
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return $result;
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}
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/**
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* Recursively remove empty strings from an array.
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*
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* @since 1.3.9.1
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*
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* @param array $data Any data.
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*
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* @return array
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*/
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function wpforms_array_remove_empty_strings( $data ) {
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foreach ( $data as $key => $value ) {
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if ( is_array( $value ) ) {
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$data[ $key ] = wpforms_array_remove_empty_strings( $data[ $key ] );
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}
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if ( $data[ $key ] === '' ) {
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unset( $data[ $key ] );
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}
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}
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return $data;
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}
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/**
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* Count words in the string.
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*
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* @since 1.6.2
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*
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* @param string $string String value.
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*
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* @return integer Words count.
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*/
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function wpforms_count_words( $string ) {
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if ( ! is_string( $string ) ) {
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return 0;
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}
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$patterns = [
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'/([A-Z]+),([A-Z]+)/i',
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'/([0-9]+),([A-Z]+)/i',
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'/([A-Z]+),([0-9]+)/i',
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];
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foreach ( $patterns as $pattern ) {
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$string = preg_replace_callback(
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$pattern,
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function( $matches ) {
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return $matches[1] . ', ' . $matches[2];
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},
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$string
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);
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}
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$words = preg_split( '/[\s]+/', $string );
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return is_array( $words ) ? count( $words ) : 0;
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}
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/**
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* Link a list of words or phrases with commas, but the last one – with a conjunction.
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*
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* For example:
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* [ 'Sullie', 'Pattie', 'me' ] with 'and' conjunction becomes 'Sullie, Pattie and me'.
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* [ 'Sullie', 'Pattie', 'me' ] with 'or' conjunction becomes 'Sullie, Pattie or me'.
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*
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* @since 1.8.0
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*
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* @param array $list A list of words or phrases to link together.
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* @param string $conjunction Coordinating conjunction to use for last word or phrase (usually – and, or).
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* The string is expected to be translatable.
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*
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* @return string Linked words and/or phrases.
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*/
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function wpforms_conjunct( $list, $conjunction ) {
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$last_chunk = array_pop( $list );
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return $list ?
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sprintf( '%s %s %s', implode( ', ', $list ), $conjunction, $last_chunk ) :
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$last_chunk;
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}
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/**
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* Get the current URL.
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*
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* @since 1.0.0
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* @since 1.7.2 Refactored based on the `home_url` function.
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*
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* @return string
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*/
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function wpforms_current_url() {
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$parsed_home_url = wp_parse_url( home_url() );
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$url = $parsed_home_url['scheme'] . '://' . $parsed_home_url['host'];
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if ( ! empty( $parsed_home_url['port'] ) ) {
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$url .= ':' . $parsed_home_url['port'];
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}
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// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidated, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
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$url .= wp_unslash( $_SERVER['REQUEST_URI'] );
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return esc_url_raw( $url );
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}
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/**
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* Add UTM tags to a link that allows detecting traffic sources for our or partners' websites.
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*
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* @since 1.7.5
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*
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* @param string $link Link to which you need to add UTM tags.
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* @param string $medium The page or location description. Check your current page and try to find
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* and use an already existing medium for links otherwise, use a page name.
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* @param string $content The feature's name, the button's content, the link's text, or something
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* else that describes the element that contains the link.
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* @param string $term Additional information for the content that makes the link more unique.
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*
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* @return string
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*/
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function wpforms_utm_link( $link, $medium, $content = '', $term = '' ) {
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return add_query_arg(
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array_filter(
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[
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'utm_campaign' => wpforms()->is_pro() ? 'plugin' : 'liteplugin',
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'utm_source' => strpos( $link, 'https://wpforms.com' ) === 0 ? 'WordPress' : 'wpformsplugin',
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'utm_medium' => rawurlencode( $medium ),
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'utm_content' => rawurlencode( $content ),
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'utm_term' => rawurlencode( $term ),
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'utm_locale' => wpforms_sanitize_key( get_locale() ),
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]
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),
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$link
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);
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}
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/**
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* Modify the default USer-Agent generated by wp_remote_*() to include additional information.
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*
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* @since 1.7.5.2
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*
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* @return string
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*/
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function wpforms_get_default_user_agent() {
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$license_type = wpforms()->is_pro() ? ucwords( (string) wpforms_get_license_type() ) : 'Lite';
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return 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ) . '; WPForms/' . $license_type . '-' . WPFORMS_VERSION;
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}
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/**
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* Get the ISO 639-2 Language Code from user/site locale.
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*
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* @see http://www.loc.gov/standards/iso639-2/php/code_list.php
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*
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* @since 1.5.0
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*
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* @return string
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*/
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function wpforms_get_language_code() {
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$default_lang = 'en';
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$locale = get_user_locale();
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if ( ! empty( $locale ) ) {
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$lang = explode( '_', $locale );
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if ( ! empty( $lang ) && is_array( $lang ) ) {
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$default_lang = strtolower( $lang[0] );
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}
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}
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return $default_lang;
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}
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/**
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* Changes array of items into string of items, separated by comma and sql-escaped.
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*
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* @see https://coderwall.com/p/zepnaw
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*
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* @since 1.7.4
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*
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* @param mixed|array $items Item(s) to be joined into string.
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* @param string $format Can be %s or %d.
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*
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* @return string Items separated by comma and sql-escaped.
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*/
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function wpforms_wpdb_prepare_in( $items, $format = '%s' ) {
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global $wpdb;
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$items = (array) $items;
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$how_many = count( $items );
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if ( $how_many === 0 ) {
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return '';
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}
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$placeholders = array_fill( 0, $how_many, $format );
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$prepared_format = implode( ',', $placeholders );
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// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
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return $wpdb->prepare( $prepared_format, $items );
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}
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/**
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* Get the render engine slug according to the Modern Markup setting value and corresponding filter.
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*
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* @since 1.8.1
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*
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* @return string
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*/
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function wpforms_get_render_engine() {
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$render_engine = empty( wpforms_setting( 'modern-markup', false ) ) ? 'classic' : 'modern';
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/**
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* Filter current render engine slug.
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* Allows addons to use their own frontend rendering engine.
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*
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* @since 1.8.1
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*
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* @param string $render_engine Render engine slug.
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*/
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$render_engine = apply_filters( 'wpforms_get_render_engine', $render_engine );
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return $render_engine;
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}
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