Removed ModelAccessValidator in favor of Forward Compatilibity Issues

- Model Access Validator causes unnecessary issues in existing integrations.
- Causes merchant to break integration if configured incorrectly.

lib/PayPal/Validation/ModelAccessorValidator.php

@@ -1,53 +0,0 @@
-<?php
-
-namespace PayPal\Validation;
-
-use PayPal\Common\PayPalModel;
-use PayPal\Core\PayPalConfigManager;
-use PayPal\Core\PayPalLoggingManager;
-
-/**
- * Class ModelAccessorValidator
- *
- * @package PayPal\Validation
- */
-class ModelAccessorValidator
-{
-    /**
-     * Helper method for validating if the class contains accessor methods (getter and setter) for a given attribute
-     *
-     * @param PayPalModel $class An object of PayPalModel
-     * @param string $attributeName Attribute name
-     * @return bool
-     */
-    public static function validate(PayPalModel $class, $attributeName)
-    {
-        $mode = PayPalConfigManager::getInstance()->get('validation.level');
-        if (!empty($mode) && $mode != 'disabled') {
-            //Check if $attributeName is string
-            if (gettype($attributeName) !== 'string') {
-                return false;
-            }
-            //If the mode is disabled, bypass the validation
-            foreach (array('set' . $attributeName, 'get' . $attributeName) as $methodName) {
-                if (get_class($class) == get_class(new PayPalModel())) {
-                    // Silently return false on cases where you are using PayPalModel instance directly
-                    return false;
-                }
-                //Check if both getter and setter exists for given attribute
-                elseif (!method_exists($class, $methodName)) {
-                    //Delegate the error based on the choice
-                    $className = is_object($class) ? get_class($class) : (string)$class;
-                    $errorMessage = "It seems that $className:$methodName is a new field added to the API response. If not, create an issue at https://github.com/paypal/PayPal-PHP-SDK/issues";
-                    PayPalLoggingManager::getInstance(__CLASS__)->debug($errorMessage);
-                    if ($mode == 'strict') {
-                        trigger_error($errorMessage, E_USER_NOTICE);
-                    }
-                    return false;
-                }
-            }
-            return true;
-        }
-        return false;
-    }
-}