mysqli_get_host_info(3) [php man page]

MYSQLI_GET_HOST_INFO(3) 						 1						   MYSQLI_GET_HOST_INFO(3)

mysqli::$host_info - Returns a string representing the type of connection used

       Object oriented style

SYNOPSIS

       string$mysqli->host_info ()

DESCRIPTION

       Procedural style
       string mysqli_get_host_info (mysqli  $link)

	Returns a string describing the connection represented by the $link parameter (including the server host name).

PARAMETERS

	      o $
		link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3)

RETURN VALUES

	A character string representing the server hostname and the connection type.

EXAMPLES

       Example #1

	      $mysqli->host_info example

	      Object oriented style

	      <?php
	      $mysqli = new mysqli("localhost", "my_user", "my_password", "world");

	      /* check connection */
	      if (mysqli_connect_errno()) {
		  printf("Connect failed: %s
", mysqli_connect_error());
		  exit();
	      }

	      /* print host information */
	      printf("Host info: %s
", $mysqli->host_info);

	      /* close connection */
	      $mysqli->close();
	      ?>

	      Procedural style

	      <?php
	      $link = mysqli_connect("localhost", "my_user", "my_password", "world");

	      /* check connection */
	      if (mysqli_connect_errno()) {
		  printf("Connect failed: %s
", mysqli_connect_error());
		  exit();
	      }

	      /* print host information */
	      printf("Host info: %s
", mysqli_get_host_info($link));

	      /* close connection */
	      mysqli_close($link);
	      ?>

	      The above examples will output:

	      Host info: Localhost via UNIX socket

SEE ALSO

       mysqli_get_proto_info(3).

PHP Documentation Group 												   MYSQLI_GET_HOST_INFO(3)

MYSQLI_PING(3)								 1							    MYSQLI_PING(3)

mysqli::ping - Pings a server connection, or tries to reconnect if the connection has gone down

       Object oriented style

SYNOPSIS

       bool mysqli::ping (void	)

DESCRIPTION

       Procedural style
       bool mysqli_ping (mysqli  $link)

	Checks	whether  the  connection to the server is working. If it has gone down, and global option mysqli.reconnect is enabled an automatic
       reconnection is attempted.

	This function can be used by clients that remain idle for a long while, to check whether the server has closed the connection  and  recon-
       nect if necessary.

PARAMETERS

	      o $
		link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3)

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      mysqli::ping example

	      Object oriented style

	      <?php
	      $mysqli = new mysqli("localhost", "my_user", "my_password", "world");

	      /* check connection */
	      if ($mysqli->connect_errno) {
		  printf("Connect failed: %s
", $mysqli->connect_error);
		  exit();
	      }

	      /* check if server is alive */
	      if ($mysqli->ping()) {
		  printf ("Our connection is ok!
");
	      } else {
		  printf ("Error: %s
", $mysqli->error);
	      }

	      /* close connection */
	      $mysqli->close();
	      ?>

	      Procedural style

	      <?php
	      $link = mysqli_connect("localhost", "my_user", "my_password", "world");

	      /* check connection */
	      if (mysqli_connect_errno()) {
		  printf("Connect failed: %s
", mysqli_connect_error());
		  exit();
	      }

	      /* check if server is alive */
	      if (mysqli_ping($link)) {
		  printf ("Our connection is ok!
");
	      } else {
		  printf ("Error: %s
", mysqli_error($link));
	      }

	      /* close connection */
	      mysqli_close($link);
	      ?>

	      The above examples will output:

	      Our connection is ok!

PHP Documentation Group 													    MYSQLI_PING(3)