Merge branch 'PHP-7.3'

Author: nikic

ext/pcre/php_pcre.c

@@ -867,7 +867,7 @@ PHPAPI pcre2_code *pcre_get_compiled_regex(zend_string *regex, uint32_t *capture
 	pcre_cache_entry * pce = pcre_get_compiled_regex_cache(regex);
 
 	if (preg_options) {
-		*preg_options = pce ? pce->preg_options : 0;
+		*preg_options = 0;
 	}
 	if (capture_count) {
 		*capture_count = pce ? pce->capture_count : 0;
@@ -884,7 +884,7 @@ PHPAPI pcre2_code* pcre_get_compiled_regex_ex(zend_string *regex, uint32_t *capt
 	pcre_cache_entry * pce = pcre_get_compiled_regex_cache(regex);
 
 	if (preg_options) {
-		*preg_options = pce ? pce->preg_options : 0;
+		*preg_options = 0;
 	}
 	if (compile_options) {
 		*compile_options = pce ? pce->compile_options : 0;

ext/standard/tests/misc/bug77338.phpt

@@ -0,0 +1,81 @@
+--TEST--
+Bug #77338: get_browser with empty string
+--INI--
+browscap={PWD}/browscap.ini
+--FILE--
+<?php
+
+var_dump(get_browser(""));
+
+?>
+--EXPECT--
+object(stdClass)#1 (34) {
+  ["browser_name_regex"]=>
+  string(6) "~^.*$~"
+  ["browser_name_pattern"]=>
+  string(1) "*"
+  ["browser"]=>
+  string(15) "Default Browser"
+  ["version"]=>
+  string(1) "0"
+  ["majorver"]=>
+  string(1) "0"
+  ["minorver"]=>
+  string(1) "0"
+  ["platform"]=>
+  string(7) "unknown"
+  ["alpha"]=>
+  string(0) ""
+  ["beta"]=>
+  string(0) ""
+  ["win16"]=>
+  string(0) ""
+  ["win32"]=>
+  string(0) ""
+  ["win64"]=>
+  string(0) ""
+  ["frames"]=>
+  string(1) "1"
+  ["iframes"]=>
+  string(0) ""
+  ["tables"]=>
+  string(1) "1"
+  ["cookies"]=>
+  string(0) ""
+  ["backgroundsounds"]=>
+  string(0) ""
+  ["authenticodeupdate"]=>
+  string(1) "0"
+  ["cdf"]=>
+  string(0) ""
+  ["vbscript"]=>
+  string(0) ""
+  ["javaapplets"]=>
+  string(0) ""
+  ["javascript"]=>
+  string(0) ""
+  ["activexcontrols"]=>
+  string(0) ""
+  ["stripper"]=>
+  string(0) ""
+  ["isbanned"]=>
+  string(0) ""
+  ["wap"]=>
+  string(0) ""
+  ["ismobiledevice"]=>
+  string(0) ""
+  ["issyndicationreader"]=>
+  string(0) ""
+  ["crawler"]=>
+  string(0) ""
+  ["css"]=>
+  string(1) "0"
+  ["cssversion"]=>
+  string(1) "0"
+  ["supportscss"]=>
+  string(0) ""
+  ["aol"]=>
+  string(0) ""
+  ["aolversion"]=>
+  string(1) "0"
+}