Conventions Used in This Book
The following programming and typesetting conventions are used in
The code examples in this book are designed to work with PHP 5.0.0.
They were tested with PHP 5.0.0RC2, which was the most up-to-date
version of PHP 5 available at the time of publication. Almost all of
the code in the book works with PHP 4.3 as well. The PHP 5-specific
features discussed in the book are as follows:
Chapter 7: the mysqli functions
Chapter 10: the file_put_contents(
Chapter 11: the SimpleXML module
Chapter 12: the E_STRICT
Chapter 13: some new features related to classes
and objects, the advanced XML processing functions, the bundled
SQLite database, and the Perl extension
The following typographical conventions are used in this book:
Indicates new terms, example URLs, example email addresses, filenames, file
extensions, pathnames, and directories.
- Constant width
Indicates commands, options, switches, variables, attributes, keys,
functions, types, classes, namespaces, methods, modules, properties,
parameters, values, objects, events, event handlers, XML tags, HTML
tags, macros, the contents of files, or the output from commands.
- Constant width italic
Shows text that should be replaced with user-supplied values.
This icon signifies a tip, suggestion, or general note.
This icon indicates a warning or caution.