Error on invalid octal (fixes PHPSadness php#31)

Author: hikari-no-yume

NEWS

@@ -34,6 +34,7 @@
   . Fixed oversight where define() did not support arrays yet const syntax did. (Andrea, Dmitry)
   . Use "integer" and "float" instead of "long" and "double" in ZPP, type hint and conversion error messages. (Andrea)
   . Implemented FR #55428 (E_RECOVERABLE_ERROR when output buffering in output buffering handler). (Kalle)
+  . Invalid octal literals in source code now produce compile errors, fixes PHPSadness #31. (Andrea)
 
 - Date:
   . Fixed day_of_week function as it could sometimes return negative values

UPGRADING

@@ -58,6 +58,9 @@ PHP X.Y UPGRADE NOTES
   . Added zend_memnrstr, zend_memnrstr_ex.
   . Added hybrid sorting algo zend_sort for better performance.
   . Added stable sorting algo zend_insert_sort.
+  . Invalid octal literals in source code now produce compile errors, fixing
+    PHPSadness #31. Previously, the invalid digits (and any following valid 
+    digits) were simply ignored, such that 0781 became 7.
 
 - DBA
   . dba_delete() now returns false if the key was not found for the inifile