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 OsPagesHelper {

	/**
	 * Create Latepoint predefined pages
	 * @return void
	 */
	public static function create_predefined_pages(): void {
		$pages = [
			&#039;customer-cabinet&#039; =&gt; array(
				&#039;slug&#039;    =&gt; _x( &#039;customer-cabinet&#039;, &#039;Customer cabinet&#039;, &#039;latepoint&#039; ),
				&#039;title&#039;   =&gt; _x( &#039;Customer Cabinet&#039;, &#039;Customer cabinet&#039;, &#039;latepoint&#039; ),
				&#039;content&#039; =&gt; &#039;&lt;!-- wp:latepoint/customer-dashboard --&gt;&lt;div class=&quot;wp-block-latepoint-customer-dashboard&quot;&gt;Customer Dashboard&lt;/div&gt;&lt;!-- /wp:latepoint/customer-dashboard --&gt;&#039;,
				&#039;settings&#039; =&gt; [&#039;page_url_customer_dashboard&#039;, &#039;page_url_customer_login&#039;]
			)
		];
		foreach ( $pages as $key =&gt; $page_settings ) {
			$option = &#039;latepoint_page_&#039; . $key;
			$page_id = self::create_page( $page_settings, $option);
			if ($page_id) {
				update_option( $option, $page_id );
			}
		}
	}


	/**
	 * @param array $page_settings
	 * @param string $option
	 *
	 * @return int|WP_Error
	 */
	public static function create_page( array $page_settings, string $option = &#039;&#039; ) {
		$option_page_id = get_option( $option );

		if ( $option_page_id &gt; 0 ) {
			$page_object = get_post( $option_page_id );
			if ( $page_object &amp;&amp; &#039;page&#039; === $page_object-&gt;post_type &amp;&amp; ! in_array( $page_object-&gt;post_status, array( &#039;pending&#039;, &#039;trash&#039;, &#039;future&#039;, &#039;auto-draft&#039; ), true ) ) {
				return $page_object-&gt;ID;
			}
		}

		$page = self::get_page_by_slug($page_settings[&#039;slug&#039;]);

		if ( $page ) {
			return $page;
		}

		$page_data = array(
			&#039;post_status&#039;    =&gt; &#039;publish&#039;,
			&#039;post_type&#039;      =&gt; &#039;page&#039;,
			&#039;post_author&#039;    =&gt; 1,
			&#039;post_name&#039;      =&gt; esc_sql( $page_settings[&#039;slug&#039;] ),
			&#039;post_title&#039;     =&gt; $page_settings[&#039;title&#039;],
			&#039;post_content&#039;   =&gt; $page_settings[&#039;content&#039;],
			&#039;comment_status&#039; =&gt; &#039;closed&#039;,
		);
		$new_page_id = wp_insert_post( $page_data );

		# if page is created - Set Page URLs in settings
		if ($new_page_id &amp;&amp; count($page_settings[&#039;settings&#039;])) {
			self::save_default_pages_settings( $page_settings[&#039;settings&#039;], &quot;/{$page_settings[&#039;slug&#039;]}&quot; );
		}

		return $new_page_id;
	}

	/**
	 * Add states for Latepoint Pages
	 * @param $post_states
	 * @param $page
	 *
	 * @return array
	 */
	public static function add_display_post_states($post_states, $page): array {
		if ( get_option( &#039;latepoint_page_customer-cabinet&#039;) == $page-&gt;ID ) {
			$post_states[&#039;latepoint_customer_cabinet&#039;] = &#039;Latepoint Customer Cabinet&#039;;
		}
		return $post_states;
	}

	/**
	 * Get page ID by slug with status published
	 * @param $slug
	 * @return string|null
	 */
	public static function get_page_by_slug($slug) {
		global $wpdb;
		return $wpdb-&gt;get_var( $wpdb-&gt;prepare( &quot;SELECT ID FROM $wpdb-&gt;posts WHERE post_type=&#039;page&#039; AND post_status NOT IN ( &#039;pending&#039;, &#039;trash&#039;, &#039;future&#039;, &#039;auto-draft&#039; )  AND post_name = %s LIMIT 1;&quot;, $slug ) );
	}

	/**
	 * save default pages settings
	 * @param array $settings
	 * @param $value
	 *
	 * @return void
	 */
	private static function save_default_pages_settings( array $settings, $value ): void {
		foreach ( $settings as $name ) {
			if ( ! OsSettingsHelper::get_settings_value( $name ) ) {
				OsSettingsHelper::save_setting_by_name( $name, $value );
			}
		}
	}


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