PHP MySQL - Stilson.net

www.it-ebooks.info• CONTENTSObject Cloning................................................................................................................160Cloning Example................................................................................................................................... 160The __clone() Method........................................................................................................................... 162Inheritance.....................................................................................................................163Class Inheritance.................................................................................................................................. 163Inheritance and Constructors ............................................................................................................... 165Inheritance and Late Static Binding ..................................................................................................... 167Interfaces.......................................................................................................................168Implementing a Single Interface .......................................................................................................... 169Implementing Multiple Interfaces......................................................................................................... 170Abstract Classes ............................................................................................................171Introducing Namespaces...............................................................................................172Summary .......................................................................................................................174• Chapter 8: Error and Exception Handling............................................................175Configuration Directives ................................................................................................175Error Logging .................................................................................................................179Exception Handling........................................................................................................182Why Exception Handling Is Handy ........................................................................................................ 182PHP’s Exception-Handling Implementation .......................................................................................... 183SPL’s Exceptions .................................................................................................................................. 189Summary .......................................................................................................................191• Chapter 9: Strings and Regular Expressions ......................................................191Regular Expressions ......................................................................................................191Regular Expression Syntax (POSIX) ...................................................................................................... 192PHP’s Regular Expression Functions (POSIX Extended) ....................................................................... 194Regular Expression Syntax (Perl).......................................................................................................... 198Other String-Specific Functions.....................................................................................205xi