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Asked: 2026-06-05T18:36:43+00:00

This is my table: CREATE TABLE `users` ( `id` int(10) unsigned NOT NULL auto_increment,

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This is my table:

CREATE TABLE `users` (
  `id` int(10) unsigned NOT NULL auto_increment,
  `name` varchar(20) NOT NULL default '',
  `pass` varchar(32) NOT NULL default '',
  `lang` varchar(2) default NULL,
  `locale` varchar(2) default NULL,
  `pic` varchar(255) default NULL,
  `sex` char(1) default NULL,
  `birthday` date default NULL,
  `mail` varchar(64) default NULL,
  `created` timestamp NOT NULL default CURRENT_TIMESTAMP,
  PRIMARY KEY  (`id`),
  UNIQUE KEY `mail` (`mail`)
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=27 ;

And this is my query:

$query = "INSERT IGNORE INTO `users` (`name`, `mail`, `birthday`, `lang`, `locale`, `sex`, `pic`) VALUES ('".$name."', '".$email."', '".date_format($birthdaynew, 'Y-m-d H:i:s')."', '".substr($locale, 0, 2)."', '".substr($locale, -2, 2)."', '".$sex."', 'pic/".$uid.".jpg')";
$rows = mysql_query($query) or die("Failed: " . mysql_error());

$_SESSION['id']      = mysql_insert_id(); // I have tryed also mysql_insert_id($db_con) where $db_con is the link to db.
$_SESSION['name']    = $name;

$_SESSION[‘name’] contains correctly the name but $_SESSION[‘id’] contains 0.
Why ?
I’m going crazy!

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1 Answer

  1. Editorial Team

    Is there a particular reason why you are using INSERT IGNORE?

    If you use INSERT IGNORE, then the row won’t actually get inserted if there is a duplicate key (PRIMARY or UNIQUE), or inserting a NULL into a column with a NOT NULL constraint.

    Referring to the pass column, as you have not defined anything to insert into it, and it has NOT NULL constraint.

    EDIT:
    Referring also to the mail column, as you have a UNIQUE constraint on it.

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