t4018: add missing test cases for PHP

A later patch changes the built-in PHP pattern. These test cases
demonstrate aspects of the pattern that we do not want to change.

Signed-off-by: Kana Natsuno <dev@whileimautomaton.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/t/t4018/php-function b/t/t4018/php-function
new file mode 100644
index 0000000000..35717c51c3
--- /dev/null
+++ b/t/t4018/php-function
@@ -0,0 +1,4 @@
+function RIGHT()
+{
+    return 'ChangeMe';
+}