By David Sklar
This e-book is an important consultant to a few of the easiest loose components to personal home page. those accessories, or instruments, supply useful performance for making improvements to your Hypertext Preprocessor net purposes, together with getting access to databases, producing strong net kinds, utilizing web page templating structures, developing and parsing XML files, 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 each one tool—along with lots of examples adapted to personal home page four and five.
Sklar additionally lays out the main points of Auth and HTML_QuickFormtwo challenging operating PEAR modules, so that you should not have to code your individual authentication process or internet shape development set! additionally integrated are chapters on debugging courses, and lengthening internet server velocity. in brief, you are going to learn how to cast off inefficiencies in Hypertext Preprocessor, and improve functionality with none code modification.
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Additional info for Essential PHP Tools: Modules, Extensions, and Accelerators
It returns an object whose properties correspond to each field in the current record set row. The property names are all uppercase. 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.
To use two pager objects in one page, specify different IDs when you create the objects. The following code creates one pager with five rows and one with two rows: $pager1 = new ADODB_Pager($conn,"SELECT id,flavor,calories,price FROM• ice_cream_big", 'big'); $pager1->Render(S); 44 Accessing Databases withADODB $pager2 = new ADODB_Pager($conn,"SELECT id,flavor,calories,price FROM• ice_cream", 'little'); $pager2->Render(2); Figure 2-5 shows the two pager tables. lr < « >> ~ fid l flaYor Icalories Iprice 10 1 4.
These methods tell you the size of the result set returned or modified by a query. DB_Result::numRows() The numRows () method returns the number of rows in a result set. "; } The numRows () method is called on the statement handle, not on the database handle. You can only call numRows() after a SELECT query. DB_Result::numCols() The numCols () method returns the number of columns in a result set. '; print '
'; Like numRows (), the numCols () method is called on the statement handle, not on the database handle.