Topic: Web

Professional WordPress Plugin Development (0470916222) cover image

Professional WordPress Plugin Development

Brad Williams, Ozh Richard, Justin Tadlock, Joost de Valk (Foreword by)
ISBN: 978-0-470-91622-3
560 pages
March 2011
Other Available Formats: E-book
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Paperback Version: US $44.99 Add to Cart

Do you think you've discovered an error in this book? Please check the list of errata below to see if we've already addressed the error. If not, please submit the error via our Errata Form. We will attempt to verify your error; if you're right, we will post a correction below.

ChapterPageDetailsDatePrint Run
9 Error in Text
The tool tip:

"The mu-plugins directory will not read plugins in a subfolder, so all plugins [much] be individual files or must include additional..."

Should be:
" all plugins [must] be individual files"
6 129 Errata in text
Chapter 6, Page 129, 4th line of code


$clean['age'] = absint( $_POST['age'] );


$clean['age'] = $_POST['age'];