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<?php
/**
* A utility class for Kirki.
*
* @package Kirki
* @category Core
* @author Aristeides Stathopoulos
* @copyright Copyright (c) 2017, Aristeides Stathopoulos
* @license http://opensource.org/licenses/https://opensource.org/licenses/MIT
* @since 3.0.9
*/
/**
* Utility class.
*/
class Kirki_Util {
/**
* Constructor.
*
* @since 3.0.9
* @access public
*/
public function __construct() {
add_filter( 'http_request_args', array( $this, 'http_request' ), 10, 2 );
}
/**
* Determine if Kirki is installed as a plugin.
*
* @static
* @access public
* @since 3.0.0
* @return bool
*/
public static function is_plugin() {
$is_plugin = false;
if ( ! function_exists( 'get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
// Get all plugins.
$plugins = get_plugins();
$_plugin = '';
foreach ( $plugins as $plugin => $args ) {
if ( ! $is_plugin && isset( $args['Name'] ) && ( 'Kirki' === $args['Name'] || 'Kirki Toolkit' === $args['Name'] ) ) {
$is_plugin = true;
$_plugin = $plugin;
}
}
// No need to proceed any further if Kirki wasn't found in the list of plugins.
if ( ! $is_plugin ) {
return false;
}
// Make sure the is_plugins_loaded function is loaded.
include_once ABSPATH . 'wp-admin/includes/plugin.php';
// Extra logic in case the plugin is installed but not activated.
if ( $_plugin && ! is_plugin_active( $_plugin ) ) {
return false;
}
return $is_plugin;
}
/**
* Build the variables.
*
* @static
* @access public
* @since 3.0.9
* @return array Formatted as array( 'variable-name' => value ).
*/
public static function get_variables() {
$variables = array();
// Loop through all fields.
foreach ( Kirki::$fields as $field ) {
// Check if we have variables for this field.
if ( isset( $field['variables'] ) && $field['variables'] && ! empty( $field['variables'] ) ) {
// Loop through the array of variables.
foreach ( $field['variables'] as $field_variable ) {
// Is the variable ['name'] defined? If yes, then we can proceed.
if ( isset( $field_variable['name'] ) ) {
// Sanitize the variable name.
$variable_name = esc_attr( $field_variable['name'] );
// Do we have a callback function defined? If not then set $variable_callback to false.
$variable_callback = ( isset( $field_variable['callback'] ) && is_callable( $field_variable['callback'] ) ) ? $field_variable['callback'] : false;
// If we have a variable_callback defined then get the value of the option
// and run it through the callback function.
// If no callback is defined (false) then just get the value.
$variables[ $variable_name ] = Kirki_Values::get_value( $field['settings'] );
if ( $variable_callback ) {
$variables[ $variable_name ] = call_user_func( $field_variable['callback'], Kirki_Values::get_value( $field['settings'] ) );
}
}
}
}
}
// Pass the variables through a filter ('kirki/variable') and return the array of variables.
return apply_filters( 'kirki/variable', $variables );
}
/**
* HTTP Request injection.
*
* @access public
* @since 3.0.0
* @param array $request The request params.
* @param string $url The request URL.
* @return array
*/
public function http_request( $request = array(), $url = '' ) {
// Early exit if installed as a plugin or not a request to wordpress.org,
// or finally if we don't have everything we need.
if (
self::is_plugin() ||
false === strpos( $url, 'wordpress.org' ) || (
! isset( $request['body'] ) ||
! isset( $request['body']['plugins'] ) ||
! isset( $request['body']['translations'] ) ||
! isset( $request['body']['locale'] ) ||
! isset( $request['body']['all'] )
)
) {
return $request;
}
$plugins = json_decode( $request['body']['plugins'], true );
if ( ! isset( $plugins['plugins'] ) ) {
return $request;
}
$exists = false;
foreach ( $plugins['plugins'] as $plugin ) {
if ( isset( $plugin['Name'] ) && 'Kirki Toolkit' === $plugin['Name'] ) {
$exists = true;
}
}
// Inject data.
if ( ! $exists && defined( 'KIRKI_PLUGIN_FILE' ) ) {
$plugins['plugins']['kirki/kirki.php'] = get_plugin_data( KIRKI_PLUGIN_FILE );
}
$request['body']['plugins'] = wp_json_encode( $plugins );
return $request;
}
/**
* Returns the $wp_version.
*
* @static
* @access public
* @since 3.0.12
* @param string $context Use 'minor' or 'major'.
* @param boolean $only_numeric Set to true if you want to skip the alpha/beta etc parts.
* @return int|float|string Returns integer when getting the 'major' version.
* Returns float when getting the 'minor' version with $only_numeric set to true.
* Returns string when getting the 'minor' version with $only_numeric set to false.
*/
public static function get_wp_version( $context = 'minor', $only_numeric = true ) {
global $wp_version;
// We only need the major version.
if ( 'major' === $context ) {
$version_parts = explode( '.', $wp_version );
return ( $only_numeric ) ? absint( $version_parts[0] ) : $version_parts[0];
}
// If we got this far, we want the full monty.
if ( $only_numeric ) {
// Get the numeric part of the version without any beta, alpha etc parts.
if ( false !== strpos( $wp_version, '-' ) ) {
// We're on a dev version.
$version_parts = explode( '-', $wp_version );
return floatval( $version_parts[0] );
}
return floatval( $wp_version );
}
return $wp_version;
}
}