August 2016
Intermediate to advanced
610 pages
11h 55m
English
Content preview from PHP 7 Programming Cookbook
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Using PDO to connect to a database
PDO is a highly performant and actively maintained database extension that has a unique advantage over vendor-specific extensions. It has a common Application Programming Interface (API) that is compatible with almost a dozen different Relational Database Management Systems (RDBMS). Learning how to use this extension will save you hours of time trying to master the command subsets of the equivalent individual vendor-specific database extensions.
PDO is subdivided into four main classes, as summarized in the following table:
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Class |
Functionality |
|---|---|
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Maintains the actual connection to the database, and also handles low-level functionality such as transaction support |
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Processes results |
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