make constant name more descriptive

Author: weltling

UPGRADING

@@ -146,8 +146,9 @@ PHP 7.1 UPGRADE NOTES
 - file_get_contents() accepts a negative seek offset if the stream is seekable.
 - tempnam() throws a notice when failing back to the system temp dir.
 - getopt() has an extra by-ref parameter : optind
-- mb_ereg() and mb_ereg_replace() reject illegal byte sequences
-- FILTER_FLAG_EMAIL_RFC6531 can be used with filter_var() for email validation
+- mb_ereg() and mb_ereg_replace() reject illegal byte sequences.
+- FILTER_FLAG_EMAIL_UNICODE can be used with filter_var() for email validation
+  according to RFC 6531.
 
 ========================================
 6. New Functions

ext/filter/filter.c

@@ -286,7 +286,7 @@ PHP_MINIT_FUNCTION(filter)
 
 	REGISTER_LONG_CONSTANT("FILTER_FLAG_HOSTNAME", FILTER_FLAG_HOSTNAME, CONST_CS | CONST_PERSISTENT);
 
-	REGISTER_LONG_CONSTANT("FILTER_FLAG_EMAIL_RFC6531", FILTER_FLAG_EMAIL_RFC6531, CONST_CS | CONST_PERSISTENT);
+	REGISTER_LONG_CONSTANT("FILTER_FLAG_EMAIL_UNICODE", FILTER_FLAG_EMAIL_UNICODE, CONST_CS | CONST_PERSISTENT);
 
 	sapi_register_input_filter(php_sapi_filter, php_sapi_filter_init);
 

ext/filter/filter_private.h

@@ -57,7 +57,7 @@
 
 #define FILTER_FLAG_HOSTNAME               0x100000
 
-#define FILTER_FLAG_EMAIL_RFC6531          0x100000
+#define FILTER_FLAG_EMAIL_UNICODE          0x100000
 
 #define FILTER_VALIDATE_INT           0x0101
 #define FILTER_VALIDATE_BOOLEAN       0x0102

ext/filter/logical_filters.c

@@ -609,7 +609,7 @@ void php_filter_validate_email(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
 	const char *regexp;
 	size_t regexp_len;
 
-	if (flags & FILTER_FLAG_EMAIL_RFC6531) {
+	if (flags & FILTER_FLAG_EMAIL_UNICODE) {
 		regexp = regexp0;
 		regexp_len = sizeof(regexp0) - 1;
 	} else {

ext/filter/tests/058.phpt

@@ -28,7 +28,7 @@ $values = Array(
 'DžǼ੧ఘⅧ⒇৪@example.com',
 );
 foreach ($values as $value) {
-	var_dump(filter_var($value, FILTER_VALIDATE_EMAIL, FILTER_FLAG_EMAIL_RFC6531));
+	var_dump(filter_var($value, FILTER_VALIDATE_EMAIL, FILTER_FLAG_EMAIL_UNICODE));
 }
 echo "Done\n";
 ?>