Throw warning for invalid iconv charset

Author: nikic

ext/iconv/iconv.c

@@ -1777,11 +1777,11 @@ static void _php_iconv_show_error(php_iconv_err_t err, const char *out_charset,
 			break;
 
 		case PHP_ICONV_ERR_CONVERTER:
-			php_error_docref(NULL, E_NOTICE, "Cannot open converter");
+			php_error_docref(NULL, E_WARNING, "Cannot open converter");
 			break;
 
 		case PHP_ICONV_ERR_WRONG_CHARSET:
-			php_error_docref(NULL, E_NOTICE, "Wrong charset, conversion from `%s' to `%s' is not allowed",
+			php_error_docref(NULL, E_WARNING, "Wrong charset, conversion from \"%s\" to \"%s\" is not allowed",
 			          in_charset, out_charset);
 			break;
 

ext/iconv/tests/iconv_strlen_error2.phpt

@@ -23,5 +23,5 @@ var_dump(iconv_strlen($string, $encoding));
 --EXPECTF--
 *** Testing iconv_strlen() : error ***
 
-Notice: iconv_strlen(): Wrong charset, conversion from `unknown-encoding' to `UCS-4LE' is not allowed in %s on line %d
+Warning: iconv_strlen(): Wrong charset, conversion from "unknown-encoding" to "UCS-4LE" is not allowed in %s on line %d
 bool(false)

ext/iconv/tests/iconv_strpos_error2.phpt

@@ -24,6 +24,6 @@ echo "Done";
 --EXPECTF--
 *** Testing iconv_strpos() : error conditions ***
 
-Notice: iconv_strpos(): Wrong charset, conversion from `unknown-encoding' to `UCS-4LE' is not allowed in %s on line %d
+Warning: iconv_strpos(): Wrong charset, conversion from "unknown-encoding" to "UCS-4LE" is not allowed in %s on line %d
 bool(false)
 Done

ext/iconv/tests/iconv_strrpos_error2.phpt

@@ -25,6 +25,6 @@ echo "Done";
 --EXPECTF--
 *** Testing iconv_strrpos() : error conditions ***
 
-Notice: iconv_strrpos(): Wrong charset, conversion from `unknown-encoding' to `UCS-4LE' is not allowed in %s on line %d
+Warning: iconv_strrpos(): Wrong charset, conversion from "unknown-encoding" to "UCS-4LE" is not allowed in %s on line %d
 bool(false)
 Done

ext/iconv/tests/iconv_substr_error2.phpt

@@ -25,6 +25,6 @@ echo "Done";
 --EXPECTF--
 *** Testing iconv_substr() : error conditions ***
 
-Notice: iconv_substr(): Wrong charset, conversion from `unknown-encoding' to `UCS-4LE' is not allowed in %s on line %d
+Warning: iconv_substr(): Wrong charset, conversion from "unknown-encoding" to "UCS-4LE" is not allowed in %s on line %d
 bool(false)
 Done