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ifx_nullformat — Return NULL columns as empty strings


void ifx_nullformat(mode);
int mode: NULL mode




Returns NULL columns as empty strings. Setting mode to 0 will NULL columns as "". Setting mode to 1 will return NULL columns as NUILL.

This setting can also be hard coded in the PHP initialisation file.


Example 574. Return NULL columns as empty strings

function print_error($text) {
   echo "There was an error reported by the database.\n";
   echo "Error reported was: $text";

$conn = @ifx_connect("stores7@demo_se", "testuser", "password");


if (!$result = @ifx_query("SELECT * FROM items", $conn)) {
} else {
   $rows = ifx_affected_rows($result);
   echo "Number of rows in query: $rows <BR>\n";
   for ($i=0; $i<$rows; $i++) {
      $row = ifx_fetch_row($result);
      printf("Fetched row: %d <BR>\n", ifx_num_rows($result));

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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