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Top Forums Shell Programming and Scripting Problem with PHP and Mysql integration Post 302569541 by pludi on Monday 31st of October 2011 03:55:37 PM
Old 10-31-2011
Of course it does, but it's not an error of MySQL or PHP. When you refresh the page, the browser just sends the same information again, and your table accepts duplicate values. All of this is accepted behaviour, and if you want it different you'll have to change your table to only accept unique values (eg. by using an INDEX), or do the checks with PHP.
 

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MYSQL_SET_CHARSET(3)							 1						      MYSQL_SET_CHARSET(3)

mysql_set_charset - Sets the client character set

SYNOPSIS
Warning This extension is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include: omysqli_set_charset(3) oPDO: Add charset to the connection string, such as charset=utf8 bool mysql_set_charset (string $charset, [resource $link_identifier = NULL]) DESCRIPTION
Sets the default character set for the current connection. o $charset - A valid character set name. o $ link_identifier -The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect(3) is assumed. If no such link is found, it will try to create one as if mysql_connect(3) was called with no arguments. If no connection is found or established, an E_WARNING level error is generated. Returns TRUE on success or FALSE on failure. Note This function requires MySQL 5.0.7 or later. Note This is the preferred way to change the charset. Using mysql_query(3) to set it (such as SET NAMES utf8) is not recommended. See the MySQL character set concepts section for more information. mysql_client_encoding(3), Setting character sets in MySQL, List of character sets that MySQL supports. PHP Documentation Group MYSQL_SET_CHARSET(3)
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