<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}

// Perform queries and print out affected rows
mysqli_query($con,"SELECT * FROM Persons");
echo "Affected rows: " . mysqli_affected_rows($con);

mysqli_query($con,"DELETE FROM Persons WHERE Age>32");
echo "受影響行數: " . mysqli_affected_rows($con);

mysqli_close($con);
?>

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