Fixed bug #47282 (FILTER_VALIDATE_EMAIL is marking valid email addresses as
invalid)

Author: Ilia Alshanetsky

ext/filter/logical_filters.c

@@ -469,7 +469,7 @@ void php_filter_validate_url(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
 void php_filter_validate_email(PHP_INPUT_FILTER_PARAM_DECL) /* {{{ */
 {
 	/* From http://cvs.php.net/co.php/pear/HTML_QuickForm/QuickForm/Rule/Email.php?r=1.4 */
-	const char regexp[] = "/^((\\\"[^\\\"\\f\\n\\r\\t\\b]+\\\")|([\\w\\!\\#\\$\\%\\&\\'\\*\\+\\-\\~\\/\\^\\`\\|\\{\\}]+(\\.[\\w\\!\\#\\$\\%\\&\\'\\*\\+\\-\\~\\/\\^\\`\\|\\{\\}]+)*))@((\\[(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))\\])|(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))|((([A-Za-z0-9])(([A-Za-z0-9\\-])*([A-Za-z0-9]))?\\.)+[A-Za-z\\-]+))$/D";
+	const char regexp[] = "/^((\\\"[^\\\"\\f\\n\\r\\t\\b]+\\\")|([\\w\\!\\#\\$\\%\\&\\'\\*\\+\\-\\~\\/\\^\\`\\|\\{\\}]+(\\.[\\w\\!\\#\\$\\%\\&\\'\\*\\+\\-\\~\\/\\^\\`\\|\\{\\}]*)*))@((\\[(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))\\])|(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))|((([A-Za-z0-9])(([A-Za-z0-9\\-])*([A-Za-z0-9]))?\\.?)+[A-Za-z\\-]*))$/D";
 
 	pcre       *re = NULL;
 	pcre_extra *pcre_extra = NULL;

ext/filter/tests/016.phpt

@@ -13,7 +13,8 @@ $values = Array(
 'test@com',	
 '@',	
 '[]()/@example.com',	
-'QWERTYUIOPASDFGHJKLZXCVBNM@QWERTYUIOPASDFGHJKLZXCVBNM.NET',	
+'QWERTYUIOPASDFGHJKLZXCVBNM@QWERTYUIOPASDFGHJKLZXCVBNM.NET',
+'e.x.a.m.p.l.e.@example.com'
 );
 foreach ($values as $value) {
 	var_dump(filter_var($value, FILTER_VALIDATE_EMAIL));
@@ -27,8 +28,9 @@ string(17) "abuse@example.com"
 bool(false)
 bool(false)
 bool(false)
-bool(false)
+string(8) "test@com"
 bool(false)
 bool(false)
 string(57) "QWERTYUIOPASDFGHJKLZXCVBNM@QWERTYUIOPASDFGHJKLZXCVBNM.NET"
-Done
+string(26) "e.x.a.m.p.l.e.@example.com"
+Done