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<?php
/**
* Set up LearnDash Dependency Check
*
* @package LearnDash
* @since 2.3
*/
if ( !class_exists( 'LearnDash_Dependency_Check_ProPanel' ) ) {
final class LearnDash_Dependency_Check_ProPanel {
private static $instance;
/**
* The displayed message shown to the user on admin pages.
*/
private $admin_notice_message = '';
/**
* The array of plugin) to check Should be key => label paird. The label can be anything to display
*/
private $plugins_to_check = array();
/**
* Array to hold the inactive plugins. This is populated during the
* admin_init action via the function call to check_inactive_plugin_dependency()
*/
private $plugins_inactive = array();
/**
* LearnDash_ProPanel constructor.
*/
public function __construct() {
add_action( 'plugins_loaded', array( $this, 'plugins_loaded' ), 1 );
}
public static function get_instance() {
if ( null === static::$instance ) {
static::$instance = new static();
}
return static::$instance;
}
/**
* LearnDash_ProPanel constructor.
*/
public function check_dependency_results() {
if ( empty( $this->plugins_inactive ) ) {
return true;
}
return false;
}
/**
* callback function for the admin_init action
*/
function plugins_loaded() {
$this->check_inactive_plugin_dependency();
}
/**
* Function called during the admin_init process to check if required plugins
* are present and active. Handles regular and Multisite checks.
*/
function check_inactive_plugin_dependency( $set_admin_notice = true ) {
if ( ! function_exists( 'get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
//$all_plugins = get_plugins();
//error_log('all_plugins<pre>'. print_r($all_plugins, true) .'</pre>');
//$current_plugins = get_site_transient( 'update_plugins' );
//error_log('current_plugins<pre>'. print_r($current_plugins, true) .'</pre>');
if ( !empty( $this->plugins_to_check ) ) {
if ( !function_exists('is_plugin_active' ) ) {
include_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}
foreach( $this->plugins_to_check as $plugin_key => $plugin_data ) {
if ( !is_plugin_active( $plugin_key ) ) {
if ( is_multisite() ) {
if ( !is_plugin_active_for_network( $plugin_key ) ) {
$this->plugins_inactive[$plugin_key] = $plugin_data;
}
} else {
$this->plugins_inactive[$plugin_key] = $plugin_data;
}
} else {
if ( ( isset( $plugin_data['class'] ) ) && ( !empty( $plugin_data['class'] ) ) && ( !class_exists( $plugin_data['class'] ) ) ) {
$this->plugins_inactive[$plugin_key] = $plugin_data;
}
}
}
if ( ( !empty( $this->plugins_inactive ) ) && ( $set_admin_notice ) ) {
add_action( 'admin_notices', array( $this, 'notify_user_learndash_required' ) );
}
}
return $this->plugins_inactive;
}
/**
* Function to set custom admin motice message
*/
public function set_message( $message = '' ) {
if ( !empty( $message ) ) {
$this->admin_notice_message = $message;
}
}
public function set_dependencies( $plugins = array() ) {
if ( is_array( $plugins ) )
$this->plugins_to_check = $plugins;
}
/**
* Notify user that LearnDash is required.
*/
public function notify_user_learndash_required() {
if ( ( !empty( $this->admin_notice_message ) ) && ( !empty( $this->plugins_inactive ) ) ) {
$admin_notice_message = sprintf( $this->admin_notice_message . ' %s', implode(', ', wp_list_pluck($this->plugins_inactive, 'label' ) ) );
if ( !empty( $admin_notice_message ) ) {
?>
<div class="notice notice-error ld-notice-error is-dismissible">
<p><?php echo $admin_notice_message; ?></p>
</div>
<?php
}
}
}
}
}