Writing Scripts With PHP PEAR DB Class
Category : Tutorials » PHP Programming
The examples shown in this article were written using PHP 4.0.6. . For example, to connect to the. MySQL server on the local host to access the. test .
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This wide range of support for different database engines helps make PHP popular because it means essentially that no matter which database you use, PHP probably supports it. On the other hand, having a different set of functions for each database also makes PHP scripts non-portable at the lexical (source code) level. For example, the function for issuing a query is named mysql_query() , ibase_query() , or pg_exec() , depending on whether you are using MySQL, InterBase, or PostgreSQL. This necessitates a round of messy script editing to change function names if you want to use your scripts with a different database engine, or if you obtain scripts from someone who doesn't use the same engine you do
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