php man page for mysqli_sqlstate

MYSQLI_SQLSTATE(3)							 1							MYSQLI_SQLSTATE(3)

mysqli::$sqlstate - Returns the SQLSTATE error from previous MySQL operation

       Object oriented style

SYNOPSIS
       string$mysqli->sqlstate ()

DESCRIPTION
       Procedural style
       string mysqli_sqlstate (mysqli  $link)

	Returns  a  string  containing	the  SQLSTATE error code for the last error. The error code consists of five characters.  '00000' means no
       error. The values are specified by ANSI SQL and ODBC. For a  list  of  possible	values,  see  http://dev.mysql.com/doc/mysql/en/error-han-
       dling.html.

       Note

	       Note that not all MySQL errors are yet mapped to SQLSTATE's. The value HY000 (general error) is used for unmapped errors.

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

RETURN VALUES
	Returns  a  string  containing	the  SQLSTATE error code for the last error. The error code consists of five characters.  '00000' means no
       error.

EXAMPLES
       Example #1

	      $mysqli->sqlstate 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();
	      }

	      /* Table City already exists, so we should get an error */
	      if (!$mysqli->query("CREATE TABLE City (ID INT, Name VARCHAR(30))")) {
		  printf("Error - SQLSTATE %s.
", $mysqli->sqlstate);
	      }

	      $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();
	      }

	      /* Table City already exists, so we should get an error */
	      if (!mysqli_query($link, "CREATE TABLE City (ID INT, Name VARCHAR(30))")) {
		  printf("Error - SQLSTATE %s.
", mysqli_sqlstate($link));
	      }

	      mysqli_close($link);
	      ?>

	      The above examples will output:

	      Error - SQLSTATE 42S01.

SEE ALSO
       mysqli_errno(3), mysqli_error(3).

PHP Documentation Group 													MYSQLI_SQLSTATE(3)