[php] Fix widespread use of bare strings in testsuite

These generate warnings with PHP 7.3, which will become errors in a
future version.

1 files changed, 3 insertions, 3 deletions

diff --git a/Examples/test-suite/php/director_thread_runme.php b/Examples/test-suite/php/director_thread_runme.php
index ab0563213..2a640a022 100644
--- a/Examples/test-suite/php/director_thread_runme.php
+++ b/Examples/test-suite/php/director_thread_runme.php
@@ -8,11 +8,11 @@ require "director_thread.php";
 exit(0);
 
 // No new functions
-check::functions(array(millisecondsleep,foo_stop,foo_run,foo_do_foo));
+check::functions(array('millisecondsleep','foo_stop','foo_run','foo_do_foo'));
 // No new classes
-check::classes(array(director_thread,Foo));
+check::classes(array('director_thread','Foo'));
 // now new vars
-check::globals(array(foo_val));
+check::globals(array('foo_val'));
 
 class Derived extends Foo {
   function do_foo() {