PHP mysqli_refresh() Function

In this chapter you will learn:

Definition for PHP mysqli_refresh() Function
Syntax for PHP mysqli_refresh() Function
Parameter for PHP mysqli_refresh() Function
Return for PHP mysqli_refresh() Function
Example - refreshes tables or caches, or resets the replication server information

Definition

The mysqli_refresh() function refreshes tables or caches, or resets the replication server information.

Syntax

PHP mysqli_refresh() Function has the following syntax.

mysqli_refresh(connection,options);

Parameter

Parameter	Description
connection	Required. Specifies the MySQL connection to use
options	The options to refresh.

options can be one of more of the following (separated by OR):

Option	Meaning
MYSQLI_REFRESH_GRANT	Refreshes the grant tables
MYSQLI_REFRESH_LOG	Flushes the logs
MYSQLI_REFRESH_TABLES	Flushes the table cache
MYSQLI_REFRESH_HOSTS	Flushes the host cache
MYSQLI_REFRESH_STATUS	Resets the status variables
MYSQLI_REFRESH_THREADS	Flushes the thread cache
MYSQLI_REFRESH_SLAVE	Resets the master server info, and restarts the slave
MYSQLI_REFRESH_MASTER	Removes the binary log files in the binary log index, and truncates the index file

Return

It returns TRUE on success and FALSE on failure.

Example

refreshes tables or caches, or resets the replication server information


<?php//  ja v a2s . c o  m
$con=mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno($con)){
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
}

mysqli_refresh($con,MYSQLI_REFRESH_LOG);

mysqli_close($con);
?>

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