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Troubleshooting "Undefined Function mysql_connect()"
Running into the "Undefined function mysql_connect()" error while attempting to utilize MySQL? Here's a comprehensive guide to resolving this issue.
Analysis
Despite installing the PHP MySQL extension, you continue to encounter this error. The error occurs because the mysql_* functions used to interact with MySQL have been deprecated in PHP versions 5.5 onwards and fully removed in PHP7.
Solution
To address this issue, you have two options:
1. Migrate to PDO or mysqli Extensions:
It is recommended to update your code to use the PDO or mysqli extensions for database interaction. They provide more secure and feature-rich alternatives to the deprecated mysql_* functions.
2. Workaround using fix_mysql.inc.php:
If migrating to modern extensions is not feasible, you can use the "fix_mysql.inc.php" workaround. This PHP file redefines the mysql_* functions using their mysqli counterparts.
Implementation
To implement the workaround, follow these steps:
This workaround allows you to continue using the mysql_* functions in PHP7 environments. However, it is strongly advised to migrate your code to the recommended extensions for long-term stability and enhanced security.
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