1 files changed, 35 insertions, 0 deletions
diff --git a/ext/standard/tests/mail/bug51604.phpt b/ext/standard/tests/mail/bug51604.phpt
new file mode 100644
index 000000000..a65702102
--- /dev/null
+++ b/ext/standard/tests/mail/bug51604.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Bug #51604 (newline in end of header is shown in start of message)
+--INI--
+sendmail_path=tee mail_bug51604.out >/dev/null
+mail.add_x_header = Off
+--SKIPIF--
+<?php
+if(substr(PHP_OS, 0, 3) == "WIN")
+  die("skip Won't run on Windows");
+?>
+--FILE--
+<?php
+// Initialise all required variables
+$to = 'user@company.com';
+$subject = 'Test Subject';
+$message = 'A Message';
+$additional_headers = "KHeaders\n\n\n\n\n";
+$outFile = "mail_bug51604.out";
+@unlink($outFile);
+
+// Calling mail() with all additional headers
+var_dump( mail($to, $subject, $message, $additional_headers) );
+echo file_get_contents($outFile);
+unlink($outFile);
+
+?>
+===DONE===
+--EXPECT--
+bool(true)
+To: user@company.com
+Subject: Test Subject
+KHeaders
+
+A Message
+===DONE===