Merge branch 'PHP-7.2' into PHP-7.3

diff --cc NEWS
index 94e6598fab0726507082c1401a05a9fe79650a55,2871db670fc12b8f9c4dcc5c81935a75a92b11de..c2a6e18eff4a1cfa2015a31454258c9301a103b1
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -20,15 -7,12 +20,19 @@@ PH
  
  - MySQLnd:
    . Fixed bug #75684 (In mysqlnd_ext_plugin.h the plugin methods family has
 -    no external visibility). (Anatol)
 +      no external visibility). (Anatol)
 +
 +- Opcache:
 +  . Fixed bug #77257 (value of variable assigned in a switch() construct gets
 +    lost). (Nikita)
 +
 +- PCRE:
 +  . Fixed bug #77338 (get_browser with empty string). (Nikita)
  
+ - PDO:
+   . Fixed bug #77273 (array_walk_recursive corrupts value types leading to PDO
+     failure). (Nikita)
+ 
  - Sockets:
    . Fixed bug #76839 (socket_recvfrom may return an invalid 'from' address
      on MacOS). (Michael Meyer)

diff --cc ext/pdo/pdo_dbh.c
Simple merge