Fixed bug #74300

Author: xKerman

NEWS

@@ -157,6 +157,8 @@ PHP                                                                        NEWS
   . Fixed bug #69442 (closing of fd incorrect when PTS enabled). (jaytaph)
   . Fixed bug #72974 (imap is undefined service on AIX). (matthieu.sarter)
   . Fixed bug #72979 (money_format stores wrong length AIX). (matthieu.sarter)
+  . Fixed bug #74300 (unserialize accepts two plus/minus signs for float number exponent part).
+    (xKerman)
 
 - XML:
   . Moved utf8_encode() and utf8_decode() to the Standard extension. (Andrea)