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Author Re: [PHP-DB] Filter array results... no copies
tg-php@gryffyndevelopment.com

2007-01-12, 3:58 am

If all you want is a unique list of "adr_one_region" codes, then use the DISTINCT keyword in your SQL:

SELECT DISTINCT adr_one_region FROM egw_addressbook WHERE cat_id='8' ORDER BY adr_one_region


-TG

= = = Original message = = =

Hello everyone....

I'm back working on the website again... I'm having lots of fun.
I have a sql query that looks at one field in a database. (result2 query)
Then i have mysql_fetch_array statement.

I then use this array to print links on the page.
Works fine except I don't want duplicate links.

It creates links for the states. If we have four customers from Pennsylvania. This current process gives me four different "PA" links on my page.

I need a statement that says...if its already printed...don't print it...

Thanks...

Here is my code:

<html>

<body>

<?php

$db = mysql_connect("HOST", "USERNAME", "PASSWORD");

mysql_select_db("DATABASE",$db);


if ($_GET[area]=="")

$master = mysql_query("SELECT * FROM egw_addressbook

WHERE cat_id='8' ORDER BY org_name", $db);



else

$master = mysql_query("SELECT * FROM egw_addressbook

WHERE cat_id='8' and adr_one_region='$_GET[area]' ORDER BY org_name", $db);





$result2 = mysql_query("SELECT adr_one_region FROM egw_addressbook

WHERE cat_id='8' ORDER BY adr_one_region", $db);



if ($area = mysql_fetch_array($result2))

echo "Sort by State: ";



do

echo "<a href='index.php?area=$area[adr_one_region]'>$area[adr_one_region]</a>\n";

echo " - ";

while ($area = mysql_fetch_array($result2));

echo "<a href='index.php?area='>ALL</a>\n";

else

echo "ERROR";





if ($myrow = mysql_fetch_array($master))

echo "<CENTER>\n";

echo "<table border=0>\n";

echo "<img src=file.jpg width='611' height='136'>\n";

echo "<BR>\n";

echo "<BR>\n";



do

printf("<tr> <td></td><td><b>%s</b></td><td></td><td></td><td>%s</td></tr>\n", $myrow["org_name"], $myrow["fn"]);

printf("<tr> <td></td><td>%s</td><td></td><td></td><td>%s</td></tr>\n", $myrow["adr_one_street"], $myrow["tel_work"]);

printf("<tr> <td></td><td>%s, %s %s</td><td></td><td></td><td></td><td></td></tr>\n", $myrow["adr_one_locality"], $myrow["adr_one_region"], $myrow["adr_one_postalcode"]);



while ($myrow = mysql_fetch_array($master));

echo "</table>\n";

echo "</CENTER>\n";

else

echo "Sorry, no records were found!";



?>

</body>

</html>


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