PHP: Add strings tests

tests/ctags/Makefile.am

@@ -221,6 +221,7 @@ test_sources = \
 	state_machine.v					\
 	static_array.c					\
 	stdcall.f						\
+	strings.php						\
 	strings.rb						\
 	structure.f						\
 	tabindent.py					\

tests/ctags/strings.php

+<?php
+
+$a = "hello";
+
+$b = 'hello';
+
+$c = "hello \"buddy\"";
+
+$d = 'hello \'buddy\'';
+
+$e = <<<EOS
+hello buddy
+EOS;
+
+$f = <<<'EOS'
+hello buddy
+EOS;
+
+$g = <<<"EOS"
+hello buddy
+EOS;
+
+# just to check we're correctly out of a string here
+$zzz_end = 42;

tests/ctags/strings.php.tags

+# format=tagmanager
+a163840
+b163840
+c163840
+d163840
+e163840
+f163840
+g163840
+zzz_end163840