Re: Looking for code for an alphabetic menu in php

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Hi Bill,

I don't know if I got you right but I hope this will help:

[CODE]
<?php
$baseLink = "index.php?letter="; // Assuming your file name is "index.php"; set up the base link for all pages

//alphabetical links
for($a=65;$a<(65+26);$a++){
   print "<a href=\"".$baseLink.chr($a)."\">".chr($a)."</a>\n";
}
if (isset($_GET["letter"]) && $_GET["letter"] != ""){
   $letter = $_GET["letter"];
$sql = "SELECT * FROM species WHERE [SPECIES_NAME] LIKE '".$letter."%'"; // Replace [SPECIES_NAME] with your column name
   $res = mysql_query($sql);
   if ($res){
       while ($row = mysql_fetch_row($res)){
           // retrieve your row info
       }
   } else {
       print "Failed retrieving data set, error was: ".mysql_error();
   }
}
?>
[/CODE]

Enjoy,

Sascha


Bill Mudry schrieb:
With the botanical wood tree that I have been working on, the number of records for genera and for species can get quite large and unwieldy. Presently I have over 6,000 species records that takes a while to load let alone try to browse through.

I need to chop this up into querying by alphabet of the first letter of the species botanical names. For the species level of organization, I have been keeping the data in a MySQL file called simply 'species'. I want to have a single character of the alphabet with each acting as a link for the first character of each species name:
        A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
When a user click on one of them, it should be readable (eg. using $_GET??) into a common variable for them all that can then be used for a select statement. The rest of displaying the
results in columns I already have working fine.

What suggestions do you have for typical code that should work?

Much thanks in advance,

Bill Mudry
Mississauga, Ontario, Canada


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