PHP mysqli_affected_rows() 函数

实例

从不同的查询中输出所影响记录行数：

 <?php
 $con=mysqli_connect("localhost","my_user","my_password","my_db");
 if (mysqli_connect_errno($con))
 {
 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($con,"DELETE FROM Persons WHERE Age>32");
echo "Affected rows: " . mysqli_affected_rows($con);

mysqli_close($con);
 ?>