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-rw-r--r--ext/date/tests/bug66836.phpt15
1 files changed, 15 insertions, 0 deletions
diff --git a/ext/date/tests/bug66836.phpt b/ext/date/tests/bug66836.phpt
new file mode 100644
index 0000000000..8fab7837ea
--- /dev/null
+++ b/ext/date/tests/bug66836.phpt
@@ -0,0 +1,15 @@
+--TEST--
+Bug #66836 (DateTime::createFromFormat 'U' with pre 1970 dates fails parsing)
+--INI--
+date.timezone=Europe/Berlin
+--FILE--
+<?php
+foreach (['-1', '-86400', '-1000000'] as $timestamp) {
+ $dt = DateTime::createFromFormat('U', $timestamp);
+ var_dump($dt->format('U') === $timestamp);
+}
+?>
+--EXPECT--
+bool(true)
+bool(true)
+bool(true)