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One2xs

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Ik heb dit script:

<form method="post">
Wat is de website van de linkpartner<br />
<INPUT TYPE="text" NAME="naam" VALUE="" /><br />
Wat is de naam van de Website<br />
<INPUT TYPE="text" NAME="link" VALUE="" /><br />
Wat is de info van de Website<br />
<INPUT TYPE="text" NAME="info" VALUE="" /><br />
<INPUT TYPE="submit" NAME="submit" /><br />
</FORM>
        [COLOR= #0000BB]<?php[/COLOR]
        [URL="http://www.php.net/if"]if[/URL][COLOR= #007700]([/COLOR][COLOR= #0000BB]$_SERVER[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]REQUEST_METHOD[/COLOR][COLOR= #007700]] ==[/COLOR] [COLOR= #DD0000]"POST"[/COLOR][COLOR= #007700]){[/COLOR]
            [URL="http://www.php.net/mysql_query"]mysql_query[/URL][COLOR= #007700]([/COLOR][COLOR= #DD0000]"INSERT INTO linkpartners (id, link, naam, info) VALUES (NULL, "[/COLOR][COLOR= #007700].[/COLOR] [COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]link[/COLOR][COLOR= #007700]] .[/COLOR] [COLOR= #DD0000]", "[/COLOR][COLOR= #007700].[/COLOR] [COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]naam[/COLOR][COLOR= #007700]] .[/COLOR] [COLOR= #DD0000]", "[/COLOR][COLOR= #007700].[/COLOR] [COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]info[/COLOR][COLOR= #007700]] .[/COLOR] [COLOR= #DD0000]")"[/COLOR][COLOR= #007700])[/COLOR] or [URL="http://www.php.net/print"]print[/URL][COLOR= #007700]([/COLOR][URL="http://www.php.net/mysql_error"]mysql_error[/URL][COLOR= #007700]());[/COLOR]
        
            [URL="http://www.php.net/echo"]echo[/URL][COLOR= #DD0000]" Succesvol linkpartner toegevoegd"[/COLOR][COLOR= #007700];
        }[/COLOR]
        ?>


Hoe kan ik maken dat als de naam al bestaat dat er een rode error komt met:
Deze naam komt al in de database voor, kies een andere naam.
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One2xs

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[COLOR= #0000BB]<?php[/COLOR]
[URL="http://www.php.net/if"]if[/URL][COLOR= #007700]([/COLOR][COLOR= #0000BB]$_SERVER[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]REQUEST_METHOD[/COLOR][COLOR= #007700]] ==[/COLOR] [COLOR= #DD0000]"POST"[/COLOR][COLOR= #007700]){[/COLOR]
[COLOR= #0000BB]$sql[/COLOR] [COLOR= #007700]=[/COLOR] [URL="http://www.php.net/mysql_query"]mysql_query[/URL][COLOR= #007700]([/COLOR][COLOR= #DD0000]"SELECT * FROM linkpartners WHERE naam ="[/COLOR][COLOR= #007700].[/COLOR][COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]naam[/COLOR][COLOR= #007700]].[/COLOR][COLOR= #DD0000]""[/COLOR][COLOR= #007700])[/COLOR] or [URL="http://www.php.net/die"]die[/URL][COLOR= #007700]([/COLOR][URL="http://www.php.net/mysql_error"]mysql_error[/URL][COLOR= #007700]());[/COLOR]
[URL="http://www.php.net/if"]if[/URL][COLOR= #007700]([/COLOR][URL="http://www.php.net/mysql_num_rows"]mysql_num_rows[/URL][COLOR= #007700]([/COLOR][COLOR= #0000BB]$sql[/COLOR][COLOR= #007700]) !=[/COLOR] [COLOR= #0000BB]0[/COLOR][COLOR= #007700]){[/COLOR]
[URL="http://www.php.net/echo"]echo[/URL][COLOR= #DD0000]Bestaat al[/COLOR][COLOR= #007700];
}[/COLOR][URL="http://www.php.net/else"]else[/URL][COLOR= #007700]{[/COLOR]
            [URL="http://www.php.net/mysql_query"]mysql_query[/URL][COLOR= #007700]([/COLOR][COLOR= #DD0000]"INSERT INTO linkpartners (id, link, naam, info) VALUES (NULL, "[/COLOR][COLOR= #007700].[/COLOR] [COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]link[/COLOR][COLOR= #007700]] .[/COLOR] [COLOR= #DD0000]", "[/COLOR][COLOR= #007700].[/COLOR] [COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]naam[/COLOR][COLOR= #007700]] .[/COLOR] [COLOR= #DD0000]", "[/COLOR][COLOR= #007700].[/COLOR] [COLOR= #0000BB]$_POST[/COLOR][COLOR= #007700][[/COLOR][COLOR= #DD0000]info[/COLOR][COLOR= #007700]] .[/COLOR] [COLOR= #DD0000]")"[/COLOR][COLOR= #007700])[/COLOR] or [URL="http://www.php.net/print"]print[/URL][COLOR= #007700]([/COLOR][URL="http://www.php.net/mysql_error"]mysql_error[/URL][COLOR= #007700]());[/COLOR]
        
            [URL="http://www.php.net/echo"]echo[/URL][COLOR= #DD0000]" Succesvol linkpartner toegevoegd"[/COLOR][COLOR= #007700];
}
}[/COLOR]
?>
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One2xs

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thx biggrin
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