<?php
/**
* Generic helper functions.
*
* @since 1.8.0
*/
use WPForms\Helpers\Chain;
/**
* Get a suffix for assets, `.min` if debug is disabled.
*
* @since 1.4.1
*
* @return string
*/
function wpforms_get_min_suffix() {
return wpforms_debug() ? '' : '.min';
}
/**
* Chain monad, useful for chaining certain array or string related functions.
*
* @since 1.5.6
*
* @param mixed $value Any data.
*
* @return Chain
*/
function wpforms_chain( $value ) {
return Chain::of( $value );
}
/**
* Convert object to an array.
*
* @since 1.1.7
*
* @param object $object Object to convert.
*
* @return mixed
*/
function wpforms_object_to_array( $object ) {
if ( ! is_object( $object ) && ! is_array( $object ) ) {
return $object;
}
if ( is_object( $object ) ) {
$object = get_object_vars( $object );
}
return array_map( 'wpforms_object_to_array', $object );
}
/**
* Insert an array into another array before/after a certain key.
*
* @link https://gist.github.com/scribu/588429
*
* @since 1.3.9
*
* @param array $array The initial array.
* @param array $pairs The array to insert.
* @param string $key The certain key.
* @param string $position Where to insert the array - before or after the key.
*
* @return array
*/
function wpforms_array_insert( $array, $pairs, $key, $position = 'after' ) {
$key_pos = array_search( $key, array_keys( $array ), true );
if ( $position === 'after' ) {
$key_pos ++;
}
if ( $key_pos !== false ) {
$result = array_slice( $array, 0, $key_pos );
$result = array_merge( $result, $pairs );
$result = array_merge( $result, array_slice( $array, $key_pos ) );
} else {
$result = array_merge( $array, $pairs );
}
return $result;
}
/**
* Recursively remove empty strings from an array.
*
* @since 1.3.9.1
*
* @param array $data Any data.
*
* @return array
*/
function wpforms_array_remove_empty_strings( $data ) {
foreach ( $data as $key => $value ) {
if ( is_array( $value ) ) {
$data[ $key ] = wpforms_array_remove_empty_strings( $data[ $key ] );
}
if ( $data[ $key ] === '' ) {
unset( $data[ $key ] );
}
}
return $data;
}
/**
* Count words in the string.
*
* @since 1.6.2
*
* @param string $string String value.
*
* @return integer Words count.
*/
function wpforms_count_words( $string ) {
if ( ! is_string( $string ) ) {
return 0;
}
$patterns = [
'/([A-Z]+),([A-Z]+)/i',
'/([0-9]+),([A-Z]+)/i',
'/([A-Z]+),([0-9]+)/i',
];
foreach ( $patterns as $pattern ) {
$string = preg_replace_callback(
$pattern,
function( $matches ) {
return $matches[1] . ', ' . $matches[2];
},
$string
);
}
$words = preg_split( '/[\s]+/', $string );
return is_array( $words ) ? count( $words ) : 0;
}
/**
* Link a list of words or phrases with commas, but the last one – with a conjunction.
*
* For example:
* [ 'Sullie', 'Pattie', 'me' ] with 'and' conjunction becomes 'Sullie, Pattie and me'.
* [ 'Sullie', 'Pattie', 'me' ] with 'or' conjunction becomes 'Sullie, Pattie or me'.
*
* @since 1.8.0
*
* @param array $list A list of words or phrases to link together.
* @param string $conjunction Coordinating conjunction to use for last word or phrase (usually – and, or).
* The string is expected to be translatable.
*
* @return string Linked words and/or phrases.
*/
function wpforms_conjunct( $list, $conjunction ) {
$last_chunk = array_pop( $list );
return $list ?
sprintf( '%s %s %s', implode( ', ', $list ), $conjunction, $last_chunk ) :
$last_chunk;
}
/**
* Get the current URL.
*
* @since 1.0.0
* @since 1.7.2 Refactored based on the `home_url` function.
*
* @return string
*/
function wpforms_current_url() {
$parsed_home_url = wp_parse_url( home_url() );
$url = $parsed_home_url['scheme'] . '://' . $parsed_home_url['host'];
if ( ! empty( $parsed_home_url['port'] ) ) {
$url .= ':' . $parsed_home_url['port'];
}
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotValidated, WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
$url .= wp_unslash( $_SERVER['REQUEST_URI'] );
return esc_url_raw( $url );
}
/**
* Add UTM tags to a link that allows detecting traffic sources for our or partners' websites.
*
* @since 1.7.5
*
* @param string $link Link to which you need to add UTM tags.
* @param string $medium The page or location description. Check your current page and try to find
* and use an already existing medium for links otherwise, use a page name.
* @param string $content The feature's name, the button's content, the link's text, or something
* else that describes the element that contains the link.
* @param string $term Additional information for the content that makes the link more unique.
*
* @return string
*/
function wpforms_utm_link( $link, $medium, $content = '', $term = '' ) {
return add_query_arg(
array_filter(
[
'utm_campaign' => wpforms()->is_pro() ? 'plugin' : 'liteplugin',
'utm_source' => strpos( $link, 'https://wpforms.com' ) === 0 ? 'WordPress' : 'wpformsplugin',
'utm_medium' => rawurlencode( $medium ),
'utm_content' => rawurlencode( $content ),
'utm_term' => rawurlencode( $term ),
'utm_locale' => wpforms_sanitize_key( get_locale() ),
]
),
$link
);
}
/**
* Modify the default USer-Agent generated by wp_remote_*() to include additional information.
*
* @since 1.7.5.2
*
* @return string
*/
function wpforms_get_default_user_agent() {
$license_type = wpforms()->is_pro() ? ucwords( (string) wpforms_get_license_type() ) : 'Lite';
return 'WordPress/' . get_bloginfo( 'version' ) . '; ' . get_bloginfo( 'url' ) . '; WPForms/' . $license_type . '-' . WPFORMS_VERSION;
}
/**
* Get the ISO 639-2 Language Code from user/site locale.
*
* @see http://www.loc.gov/standards/iso639-2/php/code_list.php
*
* @since 1.5.0
*
* @return string
*/
function wpforms_get_language_code() {
$default_lang = 'en';
$locale = get_user_locale();
if ( ! empty( $locale ) ) {
$lang = explode( '_', $locale );
if ( ! empty( $lang ) && is_array( $lang ) ) {
$default_lang = strtolower( $lang[0] );
}
}
return $default_lang;
}
/**
* Changes array of items into string of items, separated by comma and sql-escaped.
*
* @see https://coderwall.com/p/zepnaw
*
* @since 1.7.4
*
* @param mixed|array $items Item(s) to be joined into string.
* @param string $format Can be %s or %d.
*
* @return string Items separated by comma and sql-escaped.
*/
function wpforms_wpdb_prepare_in( $items, $format = '%s' ) {
global $wpdb;
$items = (array) $items;
$how_many = count( $items );
if ( $how_many === 0 ) {
return '';
}
$placeholders = array_fill( 0, $how_many, $format );
$prepared_format = implode( ',', $placeholders );
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
return $wpdb->prepare( $prepared_format, $items );
}
/**
* Get the render engine slug according to the Modern Markup setting value and corresponding filter.
*
* @since 1.8.1
*
* @return string
*/
function wpforms_get_render_engine() {
$render_engine = empty( wpforms_setting( 'modern-markup', false ) ) ? 'classic' : 'modern';
/**
* Filter current render engine slug.
* Allows addons to use their own frontend rendering engine.
*
* @since 1.8.1
*
* @param string $render_engine Render engine slug.
*/
$render_engine = apply_filters( 'wpforms_get_render_engine', $render_engine );
return $render_engine;
}
/**
* Get comma-separated list string from requirements' array.
*
* @since 1.9.0
*
* @param array $arr Array containing a list.
* @param bool $sep Separator of the last element.
*
* @return string
*/
function wpforms_list_array( array $arr, bool $sep = true ): string {
$separator = $sep ?
__( 'and', 'wpforms-lite' ) :
__( 'or', 'wpforms-lite' );
$last = array_slice( $arr, - 1 );
$first = implode( ', ', array_slice( $arr, 0, - 1 ) );
$both = array_filter( array_merge( [ $first ], $last ) );
return implode( ' ' . $separator . ' ', $both );
}