From b09689270b68826d1d94c8863f69fe4e02a42a62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20L=C3=BCck?= <christian@clue.engineering>
Date: Thu, 11 Jun 2020 12:24:35 +0200
Subject: [PATCH] Avoid PHP warnings due to lack of args in exception trace on
 PHP 7.4

---
 src/Query/RetryExecutor.php | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/Query/RetryExecutor.php b/src/Query/RetryExecutor.php
index ded5c67a..d9cbfe56 100644
--- a/src/Query/RetryExecutor.php
+++ b/src/Query/RetryExecutor.php
@@ -53,13 +53,19 @@ public function tryQuery(Query $query, $retries)
                 $r = new \ReflectionProperty('Exception', 'trace');
                 $r->setAccessible(true);
                 $trace = $r->getValue($e);
+
+                // Exception trace arguments are not available on some PHP 7.4 installs
+                // @codeCoverageIgnoreStart
                 foreach ($trace as &$one) {
-                    foreach ($one['args'] as &$arg) {
-                        if ($arg instanceof \Closure) {
-                            $arg = 'Object(' . \get_class($arg) . ')';
+                    if (isset($one['args'])) {
+                        foreach ($one['args'] as &$arg) {
+                            if ($arg instanceof \Closure) {
+                                $arg = 'Object(' . \get_class($arg) . ')';
+                            }
                         }
                     }
                 }
+                // @codeCoverageIgnoreEnd
                 $r->setValue($e, $trace);
             } else {
                 --$retries;