php man page for mysqli_connect_error

MYSQLI_CONNECT_ERROR(3) 						 1						   MYSQLI_CONNECT_ERROR(3)

mysqli::$connect_error - Returns a string description of the last connect error

       Object oriented style

SYNOPSIS
       string$mysqli->connect_error ()

DESCRIPTION
       Procedural style
       string mysqli_connect_error (void  )

	Returns the last error message string from the last call to mysqli_connect(3).

RETURN VALUES
	A string that describes the error.  NULL is returned if no error occurred.

EXAMPLES
       Example #1

	      $mysqli->connect_error example

	      Object oriented style

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

	      // Works as of PHP 5.2.9 and 5.3.0.
	      if ($mysqli->connect_error) {
		  die('Connect Error: ' . $mysqli->connect_error);
	      }
	      ?>

	      Procedural style

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

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

	      The above examples will output:

	      Connect Error: Access denied for user 'fake_user'@'localhost' (using password: YES)

NOTES
       Warning

	       The mysqli->connect_error property only works properly as of PHP versions 5.2.9 and 5.3.0. Use the mysqli_connect_error(3) function
	      if compatibility with earlier PHP versions is required.

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

PHP Documentation Group 												   MYSQLI_CONNECT_ERROR(3)