installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/utils/exceptions/class-attribute-not-found.php

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+<?php
+/**
+ * Attribute_Not_Found exception class
+ *
+ * @package     EDD
+ * @subpackage  Classes/Utilities
+ * @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\Utils\Exceptions;
+
+/**
+ * Implements an Attribute_Not_Found exception thrown when a given
+ * attribute is not found.
+ *
+ * @since 3.0
+ *
+ * @see \OutOfBoundsException
+ * @see \EDD_Exception
+ */
+class Attribute_Not_Found extends \OutOfBoundsException implements \EDD_Exception {
+
+	/**
+	 * Retrieves an informed Attribute_Not_Found instance via late-static binding.
+	 *
+	 * @since 3.0
+	 *
+	 * @param string     $attribute_name Attribute resulting in the exception.
+	 * @param string     $collection     Collection the attribute belongs to.
+	 * @param int        $code           Optional. Exception code. Default null.
+	 * @param \Exception $previous       Optional. Previous exception (used for chaining).
+	 *                                   Default null.
+	 * @return \EDD\Utils\Exceptions\Attribute_Not_Found Exception instance.
+	 */
+	public static function from_attr( $attribute_name, $collection, $code = null, $previous = null ) {
+		$message = sprintf( 'The \'%1$s\' attribute does not exist for \'%2$s\'.',
+			$attribute_name,
+			$collection
+		);
+
+		return new static( $message, $code, $previous);
+	}
+
+}

wp-content/plugins/easy-digital-downloads/includes/utils/exceptions/class-invalid-argument.php

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+<?php
+/**
+ * Invalid_Argument exception class
+ *
+ * @package     EDD
+ * @subpackage  Classes/Utilities
+ * @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\Utils\Exceptions;
+
+/**
+ * Implements an Invalid_Argument exception thrown when a given
+ * argument or parameter is invalid.
+ *
+ * @since 3.0
+ *
+ * @see \InvalidArgumentException
+ * @see \EDD_Exception
+ */
+class Invalid_Argument extends \InvalidArgumentException implements \EDD_Exception {
+
+	/**
+	 * Type of value.
+	 *
+	 * @since 3.0
+	 * @var   string
+	 */
+	public static $type = 'argument';
+
+	/**
+	 * Exception message.
+	 *
+	 * @since 3.0
+	 * @var   string|null
+	 */
+	public static $error_message;
+
+	/**
+	 * Retrieves an informed Invalid_Argument instance via late-static binding.
+	 *
+	 * @since 3.0
+	 *
+	 * @param string     $argument_name Argument or parameter resulting in the exception.
+	 * @param string     $method        Function or method name the argument or parameter was passed to.
+	 * @param string     $context       Further context under which to build the exception message. To be
+	 *                                  used by sub-classes when overriding build_message(). Default null.
+	 * @param int        $code          Optional. Exception code. Default null.
+	 * @param \Exception $previous      Optional. Previous exception (used for chaining).
+	 *                                  Default null.
+	 * @return \EDD\Utils\Exceptions\Invalid_Argument Exception instance.
+	 */
+	public static function from( $argument_name, $method, $context = null ) {
+		static::build_message( $argument_name, $method, $context );
+
+		return new static( static::$error_message );
+	}
+
+	/**
+	 * Builds the Invalid_Argument exception message.
+	 *
+	 * Abstracted to allow for completely overriding the exception message in a subclass.
+	 *
+	 * @since 3.0
+	 *
+	 * @param string     $argument_name Argument or parameter resulting in the exception.
+	 * @param string     $method        Function or method name the argument or parameter was passed to.
+	 * @param string     $context       Further context under which to build the exception message. To be
+	 *                                  used by sub-classes when overriding build_message(). Default null.
+	 * @return string Informed Invalid_Argument message.
+	 */
+	public static function build_message( $argument_name, $method, $context = null ) {
+		if ( ! isset( static::$error_message ) ) {
+
+			if ( ! isset( self::$type ) ) {
+				self::$type = 'argument';
+			}
+
+			self::$error_message = sprintf( 'The \'%1$s\' %2$s is missing or invalid for \'%3$s\'.',
+				$argument_name,
+				static::$type,
+				$method
+			);
+		}
+	}
+
+}

wp-content/plugins/easy-digital-downloads/includes/utils/exceptions/class-invalid-parameter.php

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+<?php
+/**
+ * Invalid_Parameter exception class
+ *
+ * @package     EDD
+ * @subpackage  Classes/Utilities
+ * @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\Utils\Exceptions;
+
+/**
+ * Implements an Invalid_Argument exception thrown when a given
+ * argument or parameter is invalid.
+ *
+ * @since 3.0
+ *
+ * @see \InvalidArgumentException
+ * @see \EDD_Exception
+ */
+class Invalid_Parameter extends Invalid_Argument implements \EDD_Exception {
+
+	/**
+	 * Type of value.
+	 *
+	 * @since 3.0
+	 * @var   string
+	 */
+	public static $type = 'parameter';
+
+}