Download e-book for iPad: Essential PHP Tools: Modules, Extensions, and Accelerators by David Sklar

By David Sklar

ISBN-10: 1430207140

ISBN-13: 9781430207146

ISBN-10: 1590592808

ISBN-13: 9781590592809

This booklet is an important advisor to a couple of the simplest loose components to personal home page. those components, or instruments, offer necessary performance for bettering your Hypertext Preprocessor internet functions, together with having access to databases, producing powerful net varieties, utilizing web page templating structures, growing and parsing XML records, authenticating clients, and masses more.

In reaction to the prevailing scarcity of documentation concerning the instruments, writer David Sklar packs this e-book with information about fitting, configuring, and utilizing every one tool—along with lots of examples adapted to Hypertext Preprocessor four and five.

Sklar additionally lays out the main points of Auth and HTML_QuickFormtwo difficult operating PEAR modules, so that you do not have to code your individual authentication method or net shape building set! additionally integrated are chapters on debugging courses, and lengthening internet server pace. in brief, you are going to discover ways to cast off inefficiencies in personal home page, and increase functionality with none code modification.

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Extra resources for Essential PHP Tools: Modules, Extensions, and Accelerators

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You can 28 Accessing Databases with ADODB use FetchObject () and the object it returns instead of the fields array of the record set: $rs = $conn->execute('SELECT flavor,calories,price FROM ice_cream'); while (! \n"; $rs->MoveNext(); } If you want a record set row as an object whose property names are not changed to uppercase, use FetchObj () instead. It sets the property names to what the database reports the field names are without changing their case. Retrieving Multiple Rows The record set object also provides some methods to retrieve many rows at once.

Else { print "No flavor has ID $_REQUEST[ flavor_id]. "; } else { print "No flavor has ID $_REQUEST[ flavor_id]. "; } The getAssoc () function returns an array whose values are easy to display as an HTML '; foreach ($flavors as $id => $flavor) { print ""; } print ''; Understanding Query Information In addition to methods that send queries to the database and return results, DB provides some methods that return information about a query.

The second argument is the record set itself. The fix _price () callback doesn't need it, but you could use properties of the record set object to determine how to format data inside your callback. Inside fix_price(), the third element of $ar, corresponding to the price field in the row, is reformatted using money_format (). Because $ar is passed by reference to fix price (), you can just assign it a new value, and you don't need to return anything. After processing all the rows, RSFil ter() moves the internal pointer to the beginning of the record set.

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Essential PHP Tools: Modules, Extensions, and Accelerators by David Sklar


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