Added a test case for bug #20169

diff --git a/ext/standard/tests/strings/bug20169.phpt b/ext/standard/tests/strings/bug20169.phpt
new file mode 100644 (file)
index 0000000..0f68901
--- /dev/null
+++ b/ext/standard/tests/strings/bug20169.phpt
@@ -0,0 +1,16 @@
+--FILE--
+<?php
+--TEST--
+Bug #20169
+--FILE--
+<?php
+       set_time_limit(5);
+       $delimiter = "|";
+
+       echo "delimiter: $delimiter\n";
+       implode($delimiter, array("foo", "bar"));
+       echo "delimiter: $delimiter\n";
+?>
+--EXPECT--
+delimiter: |
+delimiter: |