Re: Looking for code for an alphabetic menu in php

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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