Fixed bug #74936 - session_*() functions trigger a warning in read mode when the session is active

NEWS

@@ -5,6 +5,11 @@ PHP                                                                        NEWS
 - Session:
   . Fixed bug #74892 (Url Rewriting (trans_sid) not working on urls that start
     with "#"). (Andrew Nester)
+  . Fixed bug #74936 (session_cache_expire/cache_limiter/save_path() trigger a
+    warning in read mode). (morozov)
+
+- SPL:
+  . Fixed bug #74669 (Unserialize ArrayIterator broken). (Andrew Nester)
 
 20 Jul 2017, PHP 7.2.0beta1
 

ext/session/session.c

@@ -1999,7 +1999,7 @@ static PHP_FUNCTION(session_save_path)
 		return;
 	}
 
-	if (PS(session_status) == php_session_active) {
+	if (name && PS(session_status) == php_session_active) {
 		php_error_docref(NULL, E_WARNING, "Cannot change save path when session is active");
 		RETURN_FALSE;
 	}
@@ -2227,7 +2227,7 @@ static PHP_FUNCTION(session_cache_limiter)
 		return;
 	}
 
-	if (PS(session_status) == php_session_active) {
+	if (limiter && PS(session_status) == php_session_active) {
 		php_error_docref(NULL, E_WARNING, "Cannot change cache limiter when session is active");
 		RETURN_FALSE;
 	}
@@ -2258,7 +2258,7 @@ static PHP_FUNCTION(session_cache_expire)
 		return;
 	}
 
-	if (PS(session_status) == php_session_active) {
+	if (expires && PS(session_status) == php_session_active) {
 		php_error_docref(NULL, E_WARNING, "Cannot change cache expire when session is active");
 		RETURN_LONG(PS(cache_expire));
 	}

ext/session/tests/bug74936.phpt

@@ -0,0 +1,20 @@
+--TEST--
+Bug #74936 session_cache_expire() triggers a warning in read mode.
+--SKIPIF--
+<?php
+include('skipif.inc');
+?>
+--FILE--
+<?php
+
+session_start();
+var_dump(session_cache_expire());
+var_dump(session_cache_limiter());
+var_dump(session_save_path());
+?>
+===DONE===
+--EXPECT--
+int(180)
+string(7) "nocache"
+string(0) ""
+===DONE===

ext/session/tests/session_cache_expire_basic.phpt

@@ -32,8 +32,6 @@ int(180)
 int(180)
 int(1234567890)
 bool(true)
-
-Warning: session_cache_expire(): Cannot change cache expire when session is active in %s on line 17
 int(180)
 bool(true)
 int(180)

ext/session/tests/session_cache_expire_variation1.phpt

@@ -34,8 +34,6 @@ int(360)
 int(360)
 int(1234567890)
 bool(true)
-
-Warning: session_cache_expire(): Cannot change cache expire when session is active in %s on line 17
 int(180)
 bool(true)
 int(180)

ext/session/tests/session_cache_expire_variation2.phpt

@@ -33,8 +33,6 @@ int(360)
 int(360)
 int(1234567890)
 bool(true)
-
-Warning: session_cache_expire(): Cannot change cache expire when session is active in %s on line 18
 int(180)
 bool(true)
 int(180)

ext/session/tests/session_cache_expire_variation3.phpt

@@ -38,8 +38,6 @@ string(3) "180"
 int(180)
 string(10) "1234567890"
 bool(true)
-
-Warning: session_cache_expire(): Cannot change cache expire when session is active in %s on line 19
 int(1234567890)
 string(10) "1234567890"
 bool(true)

ext/session/tests/session_cache_limiter_variation1.phpt

@@ -32,15 +32,11 @@ ob_end_flush();
 *** Testing session_cache_limiter() : variation ***
 string(7) "nocache"
 bool(true)
-
-Warning: session_cache_limiter(): Cannot change cache limiter when session is active in %s on line 15
-bool(false)
+string(7) "nocache"
 
 Warning: session_cache_limiter(): Cannot change cache limiter when session is active in %s on line 16
 bool(false)
-
-Warning: session_cache_limiter(): Cannot change cache limiter when session is active in %s on line 17
-bool(false)
+string(7) "nocache"
 bool(true)
 string(7) "nocache"
 Done

ext/session/tests/session_cache_limiter_variation2.phpt

@@ -31,15 +31,11 @@ ob_end_flush();
 *** Testing session_cache_limiter() : variation ***
 string(7) "nocache"
 bool(true)
-
-Warning: session_cache_limiter(): Cannot change cache limiter when session is active in %s on line 16
-bool(false)
+string(7) "nocache"
 
 Warning: session_cache_limiter(): Cannot change cache limiter when session is active in %s on line 17
 bool(false)
-
-Warning: session_cache_limiter(): Cannot change cache limiter when session is active in %s on line 18
-bool(false)
+string(7) "nocache"
 bool(true)
 string(7) "nocache"
 Done

ext/session/tests/session_save_path_variation1.phpt

@@ -42,15 +42,11 @@ string(0) ""
 string(0) ""
 string(%d) "%stests"
 bool(true)
-
-Warning: session_save_path(): Cannot change save path when session is active in %s on line 19
-bool(false)
+string(%d) "%stests"
 
 Warning: session_save_path(): Cannot change save path when session is active in %s on line 20
 bool(false)
-
-Warning: session_save_path(): Cannot change save path when session is active in %s on line 21
-bool(false)
+string(%d) "%stests"
 bool(true)
 string(%d) "%stests"
 Done