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Learning PHP, MySQL, and JavaScript by Robin Nixon

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Conventions Used in This Book

The following typographical conventions are used in this book:

Plain text

Indicates menu titles, options, and buttons.

Italic

Indicates new terms, URLs, email addresses, filenames, file extensions, pathnames, directories, and Unix utilities.

Constant width

Indicates command-line options, variables and other code elements, HTML tags, macros, the contents of files, and the output from commands.

Constant width bold

Shows commands or other text that should be typed literally by the user; also occasionally used for emphasis.

Constant width italic

Shows text that should be replaced with user-supplied values.

Note

This icon signifies a tip, suggestion, or general note.

Warning

This icon indicates a warning or caution.

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