mysqli_errno(3) [php man page]

MYSQLI_ERRNO(3) 							 1							   MYSQLI_ERRNO(3)

mysqli::$errno - Returns the error code for the most recent function call

       Object oriented style

SYNOPSIS

       int$mysqli->errno ()

DESCRIPTION

       Procedural style
       int mysqli_errno (mysqli  $link)

	Returns the last error code for the most recent MySQLi function call that can succeed or fail.

	Client	error  message numbers are listed in the MySQL errmsg.h header file, server error message numbers are listed in mysqld_error.h. In
       the MySQL source distribution you can find a complete list of error messages and error numbers in the file Docs/mysqld_error.txt.

PARAMETERS

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

RETURN VALUES

	An error code value for the last call, if it failed. zero means no error occurred.

EXAMPLES

       Example #1

	      $mysqli->errno 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();
	      }

	      if (!$mysqli->query("SET a=1")) {
		  printf("Errorcode: %d
", $mysqli->errno);
	      }

	      /* 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();
	      }

	      if (!mysqli_query($link, "SET a=1")) {
		  printf("Errorcode: %d
", mysqli_errno($link));
	      }

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

	      The above examples will output:

	      Errorcode: 1193

SEE ALSO

       mysqli_connect_errno(3), mysqli_connect_error(3), mysqli_error(3), mysqli_sqlstate(3).

PHP Documentation Group 													   MYSQLI_ERRNO(3)

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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)

Linux and UNIX Man Pages

mysqli_errno(3) [php man page]

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