How can the use of the old mysql extension affect the functionality of transactions in PHP?

Using the old mysql extension in PHP can affect the functionality of transactions because it does not support transactional functionality like the newer mysqli or PDO extensions. To solve this issue, it is recommended to switch to mysqli or PDO for handling transactions in PHP. 

// Connect to the database using mysqli
$mysqli = new mysqli("localhost", "username", "password", "database");

// Start a transaction
$mysqli->begin_transaction();

// Perform SQL queries within the transaction
$mysqli->query("INSERT INTO table1 (column1) VALUES ('value1')");
$mysqli->query("UPDATE table2 SET column2 = 'new_value'");

// Commit the transaction
$mysqli->commit();

// Close the connection
$mysqli->close();

Keywords

mysql extension transactions functionality PHP error

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