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wp-content/plugins/elementor/includes/settings/validations.php

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+<?php
+namespace Elementor;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly.
+}
+
+/**
+ * Elementor settings validations.
+ *
+ * Elementor settings validations handler class is responsible for validating settings
+ * fields.
+ *
+ * @since 1.0.0
+ */
+class Settings_Validations {
+
+	/**
+	 * Validate HTML field.
+	 *
+	 * Sanitize content for allowed HTML tags and remove backslashes before quotes.
+	 *
+	 * @since 1.0.0
+	 * @access public
+	 * @static
+	 *
+	 * @param string $input Input field.
+	 *
+	 * @return string Input field.
+	 */
+	public static function html( $input ) {
+		return stripslashes( wp_filter_post_kses( addslashes( $input ) ) );
+	}
+
+	/**
+	 * Validate checkbox list.
+	 *
+	 * Make sure that an empty checkbox list field will return an array.
+	 *
+	 * @since 1.0.0
+	 * @access public
+	 * @static
+	 *
+	 * @param mixed $input Input field.
+	 *
+	 * @return mixed Input field.
+	 */
+	public static function checkbox_list( $input ) {
+		if ( empty( $input ) ) {
+			$input = [];
+		}
+
+		return $input;
+	}
+
+	/**
+	 * Current Time
+	 *
+	 * Used to return current time
+	 *
+	 * @since 2.5.0
+	 * @access public
+	 * @static
+	 *
+	 * @param mixed $input Input field.
+	 *
+	 * @return int
+	 */
+	public static function current_time( $input ) {
+		return time();
+	}
+
+	/**
+	 * Clear cache.
+	 *
+	 * Delete post meta containing the post CSS file data. And delete the actual
+	 * CSS files from the upload directory.
+	 *
+	 * @since 1.4.8
+	 * @access public
+	 * @static
+	 *
+	 * @param mixed $input Input field.
+	 *
+	 * @return mixed Input field.
+	 */
+	public static function clear_cache( $input ) {
+		Plugin::$instance->files_manager->clear_cache();
+
+		return $input;
+	}
+}