Merge branch 'QA'

Signed-off-by: William Desportes <williamdes@wdes.fr>

CHANGELOG.md

@@ -6,6 +6,7 @@
 * Fix lexer to not allow numbers with letters (#300)
 * Add support for INVISIBLE keyword (#292)
 * Fix the "$" might be a character used in a name (#301)
+* Fix use stream_select instead of non-blocking STDIN (#309)
 
 ## [5.3.1] - 2020-03-20
 

src/Utils/CLI.php

@@ -16,7 +16,7 @@
 use function in_array;
 use function rtrim;
 use function stream_get_contents;
-use function stream_set_blocking;
+use function stream_select;
 use function var_export;
 use const STDIN;
 
@@ -260,10 +260,19 @@ public function runTokenize()
 
     public function readStdin()
     {
-        stream_set_blocking(STDIN, false);
-        $stdin = stream_get_contents(STDIN);
-        // restore-default block-mode setting
-        stream_set_blocking(STDIN, true);
+        $read = [STDIN];
+        $write = [];
+        $except = [];
+
+        // Assume there's nothing to be read from STDIN.
+        $stdin = null;
+
+        // Try to read from STDIN.  Wait 0.2 second before timing out.
+        $result = stream_select($read, $write, $except, 0, 2000);
+
+        if ($result > 0) {
+            $stdin = stream_get_contents(STDIN);
+        }
 
         return $stdin;
     }