php man page for mysqli_connect_errno

MYSQLI_CONNECT_ERRNO(3) 						 1						   MYSQLI_CONNECT_ERRNO(3)

mysqli::$connect_errno - Returns the error code from last connect call

       Object oriented style

SYNOPSIS
       string$mysqli->connect_errno ()

DESCRIPTION
       Procedural style
       int mysqli_connect_errno (void  )

	Returns the last error code number from the last call to mysqli_connect(3).

       Note

	       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.

RETURN VALUES
	An error code value for the last call to mysqli_connect(3), if it failed. zero means no error occurred.

EXAMPLES
       Example #1

	      $mysqli->connect_errno example

	      Object oriented style

	      <?php
	      $mysqli = @new mysqli('localhost', 'fake_user', 'my_password', 'my_db');

	      if ($mysqli->connect_errno) {
		  die('Connect Error: ' . $mysqli->connect_errno);
	      }
	      ?>

	      Procedural style

	      <?php
	      $link = @mysqli_connect('localhost', 'fake_user', 'my_password', 'my_db');

	      if (!$link) {
		  die('Connect Error: ' . mysqli_connect_errno());
	      }
	      ?>

	      The above examples will output:

	      Connect Error: 1045

SEE ALSO
       mysqli_connect(3), mysqli_connect_error(3), mysqli_errno(3), mysqli_error(3), mysqli_sqlstate(3).

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