Importing a .sql File into a MySQL Database Using PHP
When attempting to import a .sql file into a MySQL database using PHP, an error message is often encountered, reporting a problem during the import. This error message includes details about the database name, user name, password, host name, and import filename.
The code provided in the question utilizes the mysql_* functions, which have been deprecated as of PHP 5.5.0 and removed in PHP 7.0.0. Instead, alternative MySQL APIs such as mysqli or PDO_MySQL should be employed.
Alternative Import Method Using MySQL Client
Delegating the file import process to the MySQL client is generally a more reliable approach. MySQL provides command-line tools that can handle imports efficiently.
Improved PHP Code to Import .sql File
An alternative PHP code using a more appropriate import method is provided below:
<?php // File name $filename = 'churc.sql'; // MySQL host $mysql_host = 'localhost'; // MySQL username $mysql_username = 'root'; // MySQL password $mysql_password = ''; // Database name $mysql_database = 'dump'; // Establish MySQL connection $mysqli = new mysqli($mysql_host, $mysql_username, $mysql_password, $mysql_database); if ($mysqli->connect_error) { echo 'Error connecting to MySQL: ' . $mysqli->connect_error; exit; } // Read entire file $lines = file($filename); // Process each line foreach ($lines as $line) { // Skip comments and empty lines if (substr($line, 0, 2) == '--' || $line == '') { continue; } // Execute query if ($mysqli->query($line)) { echo 'Query successfully executed: ' . $line . '<br>'; } else { echo 'Error executing query: ' . $line . '<br>'; } } echo 'Tables imported successfully'; $mysqli->close(); ?>
This improved code utilizes the mysqli extension to connect to MySQL and execute the queries from the .sql file line by line.
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