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PhpDig is a PHP MySQL based
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yp_errno — Returns the error code from the last call or 0 if no error occurred.


int yp_errno


An integer error code.


yp_errno() returns the error code generated by the last yp_* function call. If no error was generated, 0 is returned.

Error numbers in current implementations of NIS range between 1 and 16.


PHP 4+ (At the time of writing, this function was not documented in the online manual)

See also

To correlate an error message to an error number:



Example 1440. Display the error code for the last yp_* function call

$domain   = yp_get_default_domain ();
$map      = 'non.existent';
$function = 'yp_match';

$value = $function ($domain, $map, $key)
   or die ("The '$function' function failed with the following error code:", yp_errno ());

echo "The '$function" function completed without error.";

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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