first commit

vendor/yiisoft/yii2/views/errorHandler/previousException.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * @var \yii\base\Exception $exception
+ * @var \yii\web\ErrorHandler $handler
+ */
+?>
+<div class="previous">
+    <span class="arrow">&crarr;</span>
+    <h2>
+        <span>Caused by:</span>
+        <?php $name = $handler->getExceptionName($exception) ?>
+        <?php if ($name !== null): ?>
+            <span><?= $handler->htmlEncode($name) ?></span> &ndash;
+            <?= $handler->addTypeLinks(get_class($exception)) ?>
+        <?php else: ?>
+            <span><?= $handler->htmlEncode(get_class($exception)) ?></span>
+        <?php endif; ?>
+    </h2>
+    <h3><?= nl2br($handler->htmlEncode($exception->getMessage())) ?></h3>
+    <p>in <span class="file"><?= $exception->getFile() ?></span> at line <span class="line"><?= $exception->getLine() ?></span></p>
+    <?php if ($exception instanceof \yii\db\Exception && !empty($exception->errorInfo)): ?>
+        <pre>Error Info: <?= $handler->htmlEncode(print_r($exception->errorInfo, true)) ?></pre>
+    <?php endif ?>
+    <?= $handler->renderPreviousExceptions($exception) ?>
+</div>