php man page for cubrid_errno

CUBRID_ERRNO(3) 							 1							   CUBRID_ERRNO(3)

cubrid_errno - Return the numerical value of the error message from previous CUBRID operation

SYNOPSIS
       int cubrid_errno ([resource  $conn_identifier])

DESCRIPTION
	Returns the error number from the last CUBRID function.

	The cubrid_errno(3) function is used to get the error code of the error that occurred during the API execution. Usually, it gets the error
       code when API returns false as its return value.

PARAMETERS
	      o $conn_identifier
		- The CUBRID connection identifier. If the connection identifier is not specified, the last connection opened by cubrid_connect(3)
		is assumed.

RETURN VALUES
	Returns the error number from the last CUBRID function, or 0 (zero) if no error occurred.

EXAMPLES
       Example #1

	      cubrid_errno(3) example

	      <?php
	      $con = cubrid_connect('localhost', 33000, 'demodb', 'dba', '');
	      $req = cubrid_execute($con, "select id, name from person");
	      if ($req) {
		  while (list ($id, $name) = cubrid_fetch($req))
		  echo $id, $name;
	      } else {
		  echo "Error Code: ", cubrid_errno($con);
		  echo "Error Message: ", cubrid_error($con);
	      }
	      ?>

	      The above example will output:

	      Error Code: -493 Error Message: Syntax: Unknown class "person". select id, [name] from person

SEE ALSO
       cubrid_error(3), cubrid_error_code(3), cubrid_error_msg(3).

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