Don't ignore array[0], E_STRICT instead

lua.c

@@ -454,9 +454,8 @@ int php_lua_send_zval_to_lua(lua_State *L, zval *val TSRMLS_DC) {
 							break;
 						case HASH_KEY_IS_LONG:
 							if (idx == 0) {
-								php_error_docref(NULL TSRMLS_CC, E_NOTICE
-										, "attempt to pass an array index begin with 0 to lua, the index 0 will be discarded");
-								continue;
+								php_error_docref(NULL TSRMLS_CC, E_STRICT,
+										"attempt to pass an array index begin with 0 to lua");
 							}
 							MAKE_STD_ZVAL(zkey);
 							ZVAL_LONG(zkey, idx);

tests/001.phpt

@@ -13,4 +13,4 @@ $l->eval("invalid code");
 --EXPECTF--
 12
 -0.53657291800043
-Warning: Lua::eval(): lua error: [string "line"]:1: '=' expected near 'code' in %s on line %d
+Warning: Lua::eval(): lua error: [string "line"]:1: %s near 'code' in %s on line %d

tests/006.phpt

@@ -28,7 +28,7 @@ Testing fine
 Hello PHP
 Testing broken
 
-Warning: Lua::include(): lua error: %s '=' expected near 'fdrg' in %s on line %d
+Warning: Lua::include(): lua error: %s near 'fdrg' in %s on line %d
 
 Testing return
 Array

tests/012.phpt

@@ -0,0 +1,11 @@
+--TEST--
+Check for index 0
+--SKIPIF--
+<?php if (!extension_loaded("lua")) print "skip"; ?>
+--FILE--
+<?php 
+$l = new lua();
+$l->assign("b", range(1, 0));
+?>
+--EXPECTF--
+Strict Standards: Lua::assign(): attempt to pass an array index begin with 0 to lua in %s012.php on line %d