Fixing ZF-4696: using ctype_xdigit to validate chunk size instead of double conversion and string manipulation functions
Fixing ZF-4696: using ctype_xdigit to validate chunk size instead of double conversion and string manipulation functions


svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework