installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/class-base-object.php

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+<?php
+/**
+ * Base Core Object.
+ *
+ * @package     EDD
+ * @subpackage  Core
+ * @copyright   Copyright (c) 2018, Easy Digital Downloads, LLC
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       3.0
+ */
+namespace EDD;
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Implements a base object to be extended by core objects.
+ *
+ * @since 3.0
+ * @abstract
+ */
+abstract class Base_Object {
+
+	/**
+	 * Object constructor.
+	 *
+	 * @since 3.0
+	 *
+	 * @param mixed $args Object to populate members for.
+	 */
+	public function __construct( $args = null ) {
+		$this->set_vars( $args );
+	}
+
+	/**
+	 * Magic isset'ter for immutability.
+	 *
+	 * @since 3.0
+	 *
+	 * @param string $key
+	 * @return mixed
+	 */
+	public function __isset( $key = '' ) {
+
+		// No more uppercase ID properties ever
+		if ( 'ID' === $key ) {
+			$key = 'id';
+		}
+
+		// Class method to try and call
+		$method = "get_{$key}";
+
+		// Return property if exists
+		if ( method_exists( $this, $method ) ) {
+			return true;
+
+		// Return get method results if exists
+		} elseif ( property_exists( $this, $key ) ) {
+			return true;
+		}
+
+		// Return false if not exists
+		return false;
+	}
+
+	/**
+	 * Magic getter for immutability.
+	 *
+	 * @since 3.0
+	 *
+	 * @param string $key
+	 * @return mixed
+	 */
+	public function __get( $key = '' ) {
+
+		// No more uppercase ID properties ever
+		if ( 'ID' === $key ) {
+			$key = 'id';
+		}
+
+		// Class method to try and call
+		$method = "get_{$key}";
+
+		// Return property if exists
+		if ( method_exists( $this, $method ) ) {
+			return call_user_func( array( $this, $method ) );
+
+		// Return get method results if exists
+		} elseif ( property_exists( $this, $key ) ) {
+			return $this->{$key};
+		}
+
+		// Return null if not exists
+		return null;
+	}
+
+	/**
+	 * Converts the given object to an array.
+	 *
+	 * @since 3.0
+	 *
+	 * @return array Array version of the given object.
+	 */
+	public function to_array() {
+		return get_object_vars( $this );
+	}
+
+	/**
+	 * Set class variables from arguments.
+	 *
+	 * @since 3.0
+	 * @param array $args
+	 */
+	protected function set_vars( $args = array() ) {
+
+		// Bail if empty or not an array
+		if ( empty( $args ) ) {
+			return;
+		}
+
+		// Cast to an array
+		if ( ! is_array( $args ) ) {
+			$args = (array) $args;
+		}
+
+		// Set all properties
+		foreach ( $args as $key => $value ) {
+			$this->{$key} = $value;
+		}
+	}
+}