fix for file_cache_only

Author: iamacarpet

ext/opcache/tests/gh16551_005.phpt

@@ -16,6 +16,9 @@ opcache_file_cache
 
 $uncached_file = __DIR__ . '/gh16551_999.inc';
 
+// fix problem on ARM where it was already reporting as cached in SHM.
+opcache_invalidate($uncached_file);
+
 var_dump(
     opcache_is_script_cached($uncached_file)
 );

ext/opcache/tests/gh16551_099.phpt

@@ -49,15 +49,15 @@ var_dump(
 --CLEAN--
 <?php
 if (substr(PHP_OS, 0, 3) !== 'WIN') {
-    $pattern = __DIR__ . '/*/' . __DIR__ . '/*16551_999.inc.bin';
+    $pattern = __DIR__ . '/*/' . __DIR__ . '/*16551*.bin';
 } else {
-    $pattern = __DIR__ . '/*/*/' . str_replace(':', '', __DIR__) . '/*16551_999.inc.bin';
+    $pattern = __DIR__ . '/*/*/' . str_replace(':', '', __DIR__) . '/*16551*.bin';
 }
 foreach (glob($pattern) as $p) {
     unlink($p);
     $p = dirname($p);
     while(strlen($p) > strlen(__DIR__)) {
-        rmdir($p);
+        @rmdir($p);
         $p = dirname($p);
     }
 }

ext/opcache/zend_accelerator_module.c

@@ -1037,7 +1037,12 @@ ZEND_FUNCTION(opcache_is_script_cached_in_file_cache)
 		RETURN_FALSE;
 	}
 
-	if (!ZCG(accelerator_enabled) || !ZCG(accel_directives).file_cache) {
+	// account for accelerator_enabled = false when file_cache_only = true
+	if (!(ZCG(accelerator_enabled) || ZCG(accel_directives).file_cache_only)) {
+		RETURN_FALSE;
+	}
+	
+	if (!ZCG(accel_directives).file_cache) {
 		RETURN_FALSE;
 	}