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wp-content/plugins/mailpoet/lib/Doctrine/EntityTraits/SafeToOneAssociationLoadTrait.php

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+<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
+
+namespace MailPoet\Doctrine\EntityTraits;
+
+if (!defined('ABSPATH')) exit;
+
+
+use MailPoetVendor\Doctrine\ORM\EntityNotFoundException;
+use MailPoetVendor\Doctrine\ORM\Proxy\Proxy;
+
+trait SafeToOneAssociationLoadTrait {
+  private function safelyLoadToOneAssociation(string $propertyName, $emptyValue = null) {
+    if (!property_exists($this, $propertyName)) {
+      throw new \InvalidArgumentException("Property '$propertyName' does not exist on class '" . get_class($this) . "'");
+    }
+
+    if (!$this->$propertyName instanceof Proxy) {
+      return;
+    }
+
+    if ($this->$propertyName->__isInitialized()) {
+      return;
+    }
+
+    // if a proxy exists (= we have related entity ID), try to load it
+    // to see if it is a valid ID referencing an existing entity
+    try {
+      $this->$propertyName->__load();
+    } catch (EntityNotFoundException $e) {
+      $this->$propertyName = $emptyValue;
+    }
+  }
+}