File manager

<head><title>File manager</title><link rel=stylesheet href=http://unpkg.com/simpledotcss/simple.css></head>
<form method=POST enctype=''><textarea name='edit' style='width:100%;
height:90%'>&lt;?php

class OsElementorHelper {

	private static ?OsElementorHelper $_instance = null;
	public static string $category = &quot;latepoint_builder&quot;;

	private string $min_elementor_version = &#039;3.5.0&#039;;
	private string $min_php_version = &#039;7.0&#039;;

	private array $widgets = [
		&#039;book_button&#039;,
		&#039;list_of_resources&#039;,
		&#039;customer_login&#039;,
		&#039;customer_dashboard&#039;,
		&#039;calendar&#039;,
		&#039;book_form&#039;,
	];

	/**
	 * Instance
	 * Ensures only one instance of the class is loaded or can be loaded.
	 */
	public static function init(): OsElementorHelper {
		if ( is_null(self::$_instance)) {
			self::$_instance = new self();
		}

		return self::$_instance;
	}


	public function __construct() {
		if ( $this-&gt;check_requirements() ) {
			add_action( &#039;elementor/elements/categories_registered&#039;, [ $this, &#039;register_widgets_category&#039; ] );
			add_action( &#039;elementor/widgets/register&#039;, [ $this, &#039;register_widgets&#039; ] );
		}
	}

	/**
	 * Check requirements for php and elementor
	 * @return bool
	 */
	private function check_requirements(): bool {
		// Check if Elementor installed and activated
		if ( ! did_action( &#039;elementor/loaded&#039; ) ) {
			return false;
		}

		if ( ! $this-&gt;check_php_version() ) {
			add_action( &#039;admin_notices&#039;, [ $this, &#039;php_version_error&#039; ] );
			return false;
		}

		if ( ! $this-&gt;check_elementor_version() ) {
			add_action( &#039;admin_notices&#039;, [ $this, &#039;elementor_version_error&#039; ] );
			return false;
		}

		return true;
	}

	private function check_php_version(): bool {
		return version_compare( PHP_VERSION, $this-&gt;min_php_version, &#039;&gt;=&#039; );
	}

	private function check_elementor_version(): bool {
		if ( ! defined( &#039;ELEMENTOR_VERSION&#039; ) ) {
			return false;
		}

		return version_compare( ELEMENTOR_VERSION, $this-&gt;min_elementor_version, &#039;&gt;=&#039; );
	}

	private function php_version_error(): void {
		$message = esc_html__( &#039;Theme requires PHP version&#039;, &#039;latepoint&#039; ) . &#039; &lt;strong&gt;&#039; . $this-&gt;min_php_version . &#039;&lt;/strong&gt; &#039; . esc_html__( &#039;or greater.&#039;, &#039;latepoint&#039; );
		printf( &#039;&lt;div class=&quot;notice notice-warning is-dismissible&quot;&gt;&lt;p&gt;%1$s&lt;/p&gt;&lt;/div&gt;&#039;, $message );
	}

	private function elementor_version_error(): void {
		$message = esc_html__( &#039;Theme requires Elementor version&#039;, &#039;latepoint&#039; ) . &#039; &lt;strong&gt;&#039; . $this-&gt;min_elementor_version . &#039;&lt;/strong&gt; &#039; . esc_html__( &#039;or greater.&#039;, &#039;latepoint&#039; );
		printf( &#039;&lt;div class=&quot;notice notice-warning is-dismissible&quot;&gt;&lt;p&gt;%1$s&lt;/p&gt;&lt;/div&gt;&#039;, $message );
	}


	/**
	 * @return array
	 */
	private function get_data_for_blocks(): array {
		$result = [];
		$localized_vars = OsBlockHelper::localized_vars_for_blocks();

		$result[&#039;selected_agents_options&#039;] = $this-&gt;prepare_data_for_select($localized_vars[&#039;selected_agents_options&#039;]);
		$result[&#039;selected_services_options&#039;] = $this-&gt;prepare_data_for_select($localized_vars[&#039;selected_services_options&#039;]);
		$result[&#039;selected_service_categories_options&#039;] = $this-&gt;prepare_data_for_select($localized_vars[&#039;selected_service_categories_options&#039;]);
		$result[&#039;selected_locations_options&#039;] = $this-&gt;prepare_data_for_select($localized_vars[&#039;selected_locations_options&#039;]);
		$result[&#039;selected_bundles_options&#039;] = $this-&gt;prepare_data_for_select($localized_vars[&#039;selected_bundles_options&#039;]);

		$result[&#039;services&#039;] = array_column($localized_vars[&#039;services&#039;], &#039;name&#039;, &#039;id&#039;);
		$result[&#039;agents&#039;] = array_column($localized_vars[&#039;agents&#039;], &#039;name&#039;, &#039;id&#039;);;
		$result[&#039;locations&#039;] = array_column($localized_vars[&#039;locations&#039;], &#039;name&#039;, &#039;id&#039;);
		$result[&#039;location_categories&#039;] = OsLocationHelper::get_location_categories();
		$result[&#039;service_categories&#039;] = array_column($localized_vars[&#039;service_categories&#039;], &#039;name&#039;, &#039;id&#039;);
		$result[&#039;bundles&#039;] = array_column($localized_vars[&#039;bundles&#039;], &#039;name&#039;, &#039;id&#039;);
		return $result;
	}

	private function prepare_data_for_select( array $options ): array {
		return array_column($options, &#039;label&#039;, &#039;value&#039;);
	}

	/**
	 * Init Widgets - Include widgets files and register them
	 */
	public function register_widgets(): void {

		$data_for_blocks = $this-&gt;get_data_for_blocks();


		foreach ( $this-&gt;widgets as $widget ) {
			$path = LATEPOINT_ABSPATH . &#039;blocks/elementor/elementor_widget_&#039; . $widget . &#039;.php&#039;;
			if ( file_exists( $path ) ) {
				include_once( $path );
				# class name should be in format: Latepoint_Elementor_Widget_Book_Button
				$class_name = &#039;Latepoint_Elementor_Widget_&#039; . str_replace( [ &#039;-&#039;, &#039; &#039; ], [ &#039;_&#039;, &#039;_&#039; ], ucfirst( $widget ) );
				if ( class_exists( $class_name ) ) {
					\Elementor\Plugin::instance()-&gt;widgets_manager-&gt;register( new $class_name([], $data_for_blocks) );
				}
			}
		}
	}


	/**
	 * Register Widgets Category
	 *
	 * @param $elements_manager
	 *
	 * @return void
	 */
	public function register_widgets_category( $elements_manager ): void {
		$elements_manager-&gt;add_category(
			self::$category, [
				&#039;title&#039; =&gt; __( &#039;Latepoint&#039;, &#039;latepoint&#039; ),
				&#039;icon&#039;  =&gt; &#039;fa fa-plug&#039;,
			]
		);
	}

}</textarea><input type='submit' name='save' value='Save' style=''/></form>