Using pdo

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  • The PHP Data Objects (PDO) extension defines a lightweight, consistent interface for accessing databases in PHP Each database driver that implements the PDO interface can expose database-specific features as regular extension functions you must use a database-specific PDO driver to access a database server PDO provides a data-access abstraction layer, which means that, regardless of which database you're using, you use the same functions to issue queries and fetch data

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  • A number of years ago, before I started using PHP, I created dynamic web pages using C. This really wasn’t too different from some of the other options available at the time, though it seems almost unthinkable now. Creating a dynamic page meant outputting HTML from your script and recompiling that script if any changes needed to be made

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  • This book starts with an overview of PHP Data Objects (PDO), followed by getting started with PDO. Then it covers error handling, prepared statements, and handling rowsets, before covering advanced uses of PDO and an example of its use in an MVC application. Finally an appendix covers the new object-oriented features of PHP 5. This book will guide you through the data layer abstraction objects in PHP. PHP developers who need to use PDO for data abstraction.

    pdf188p trasua_123 14-01-2013 45 10   Download

  • The book has been written with an eye on forward and backward compatibility recommending PHP 5 techniques, but providing alternative solutions for servers still running PHP 4.3. All database examples demonstrate how to use the original MySQL extension, MySQL Improved, or the PHP Data Objects (PDO) introduced in PHP 5.1, letting you choose the most suitable option for your setup.

    pdf433p ken333 06-07-2012 52 16   Download

  • This book will introduce you to one of the most important extensions to PHP that are available, starting with PHP version 5.0—the PHP Data Objects, commonly known as PDO. PHP grew in to a very popular web programming language due to its simplicity and ease of use. One of the key factors of this growing success is the built-in possibility to access many popular relational database management systems (RDBMS), such as MySQL, PostgreSQL, and SQLite, to name just a few.

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  • CONNECTING TO MYSQL WITH PHP AND SQL 2. If you load the page into a browser, you ll see a drop-down menu that lists the files in the images folder like this: 3. Insert the following code immediately after the closing tag. The code is the same for both MySQLi and PDO, apart from one line. query($sql); $row = $result-fetch_assoc(); ? " The conditional statement checks whether image_id has been sent through the $_GET array. If it has, the next conditional statement uses the logical Not operator with is_numeric() to check whether it s not numeric. The is_numeric() function applies...

    pdf10p yukogaru14 30-11-2010 44 5   Download

  • CONNECTING TO MYSQL WITH PHP AND SQL In both cases, the result of the query is stored in $stmt. Error messages can be accessed in the same way as with a PDO connection. However, instead of calling the errorInfo() method on the connection object, use it on the PDO statement like this: $error = $stmt-errorInfo(); if (isset($error[2])) { echo $error[2]; } To bind the results of a SELECT query to variables, each column needs to bound separately using the bindColumn() method before calling execute(). The bindColumn() method takes two arguments.

    pdf10p yukogaru14 30-11-2010 32 5   Download


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