Fixed bug #30820 (static member conflict with $this->member silently ignored)

Zend/tests/bug30820.phpt

@@ -0,0 +1,27 @@
+--TEST--
+Bug #30820 (static member conflict with $this->member silently ignored)
+--INI--
+error_reporting=4095
+--FILE--
+<?php
+class Blah {
+    private static $x;
+
+    public function show() {
+        Blah::$x = 1;
+        $this->x = 5; // no warning, but refers to different variable
+
+        echo 'Blah::$x = '. Blah::$x ."\n";
+        echo '$this->x = '. $this->x ."\n";
+    }
+}
+
+$b = new Blah();
+$b->show();
+?>
+--EXPECTF--
+Strict Standards: Accessing static property Blah::$x as non static in %sbug30820.php on line 7
+Blah::$x = 1
+
+Strict Standards: Accessing static property Blah::$x as non static in %sbug30820.php on line 10
+$this->x = 5

Zend/zend_object_handlers.c

@@ -168,6 +168,9 @@ ZEND_API struct _zend_property_info *zend_get_property_info(zend_class_entry *ce
 				 * continue checking below...
 				 */
 			} else {
+				if (!silent && (property_info->flags & ZEND_ACC_STATIC)) {
+					zend_error(E_STRICT, "Accessing static property %s::$%s as non static", ce->name, Z_STRVAL_P(member));
+				}
 				return property_info;
 			}
 		} else {