✏️ Editing: fs-schema.php

<?php 
/**
 * Plugin Name: WP Schema & Structured Data
 * Description: Welcome to the Wordpress Schema - You can now easily add schema markup on various pages and posts of your website. Implement schema types such as Article, Book, Carousel, Movie, Review, Events, Recipes, Products, Services etc.
 * Version: 1.0.1
 * Tested up to: 5.6
 * Requires PHP: 5.6
 * Author: Fudugo
 * Author URI: https://fudugo.com
 * Text Domain: fs-schema-wordpress
 * Domain Path: /lang
 */

defined('ABSPATH') || exit;

if(!defined('FSSC_BASE_URL')){
    define('FSSC_BASE_URL', plugin_dir_url(__FILE__));
}

if(!defined('FSSC_BASE_DIR')){
	define('FSSC_BASE_DIR', plugin_dir_path(__FILE__));	
}

/**
* Load Wordpress Schema Class
*/
if ( ! class_exists( 'FSSC_Schema', false ) ) {
    include FSSC_BASE_DIR. '/includes/class-fs-schema.php';
}

/**
* Plugin activation
*/
if(!function_exists('fssc_plugin_activated')){
    function fssc_plugin_activated(){
        update_option( '_fssc_use_data', 10 );
    }
}
register_activation_hook( __FILE__, "fssc_plugin_activated");

add_action( 'plugins_loaded', 'fssc_load_plugin_textdomain' );

function fssc_load_plugin_textdomain() {
    load_plugin_textdomain( 'fs-schema-wordpress', FALSE, basename( dirname( __FILE__ ) ) . '/lang/' );
}

/**
 * Returns the main instance of FSSC.
 * @return FSSC_Schema
 */
function FSSC() { 
    return FSSC_Schema::instance();
}

// Global for backwards compatibility.
$GLOBALS['FSSchema'] = FSSC();

// Add setting links
add_filter( 'plugin_action_links_'.plugin_basename(__FILE__), 'fssc_plugin_manage_link' );
 
function fssc_plugin_manage_link( $links_array ){
	$url = esc_url( add_query_arg(
		'page',
		'fs-schema',
		get_admin_url() . 'admin.php'
	) );
	array_unshift( $links_array, '<a href="'.$url.'">'.__("Settings", "fs-schema-wordpress").'</a>' );
	return $links_array;
}

/**
* Plugin de-activation
*/
register_deactivation_hook( __FILE__, "fssc_plugin_deactivated");

function fssc_plugin_deactivated(){
    $advanced_settings = get_option('_fssc_advanced_settings');
    if(isset($advanced_settings['delete_data']) && $advanced_settings['delete_data'] == 1 ){
    	$schemaFields = new FSSC_Fields();
    	$schemaFields = $schemaFields->getSchemaFields();
    	
    	$args  = array(
		'post_type'      => array( 'page', 'post', 'products' ),
		'posts_per_page' => '-1'
		);
		$pages = new WP_Query ( $args );
		if ( $pages->have_posts() ) {

while ( $pages->have_posts() ) {
				$pages->the_post();
				foreach ( $schemaFields as $schemaID => $schema ) {
					delete_post_meta( get_the_ID(), 'fssc_' . $schemaID );
				}
			}
			wp_reset_postdata();
		}
		delete_option( '_fssc_schema_main_settings' );
		delete_option( '_fssc_advanced_settings' );
		delete_option( '_fssc_licence_settings' );
    }
}

/* Helper Functions */
function fssc_sanitizeInput($input, $type){
	if(is_array($input)){
		array_walk (
	        $input,
	        function (&$value, $key) {
	            if(is_array($value) && !empty($value)){
	                array_walk (
	                    $value,
	                    function (&$v, $k) {
	                        $value = fssc_sanitizeInputValue($v, $type);
	                    }
	                );
	            } else {
	               $value = fssc_sanitizeInputValue($value, $type);
	            } 
	        }
	    );
	} else {
		$input = fssc_sanitizeInputValue($input, $type);
	}
    return $input;
}

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