Dynamically creating new variables in php

Question

I am in the process of creating a site that allows users to post messages. When a user clicks on a name in their contact list, that contact becomes a variable and is added as a recipient to the message.

echo "<td><a href='mypagepost.php?contact=$contact' STYLE='TEXT-DECORATION: NONE'><font color=#808080>" . $row['contact'] . "</a></font></td>";

This is the link created in the user's recipient list. So, it takes them to mypagepost.php. At mypagepost.php, I have;

<?php $messagerecipient = $_GET['contact']; ?>

And this works. Depending on the contact clicked on the contacts list on mypage.php, it will be stored as $messagerecipient. However, I would like to set it up so that if I continue to click on more recipients from mypagepost.php, new variables will be created that can also be used in the same way (so, maybe the new variables would become $messagerecipient2, $messagerecipient3, and so forth). Is there a way to do this?

Any help is appreciated, as always.

Why are you just storing them in a database? Since you already tagged it with mysql. Or you can store them in a SESSION. — putvande
– putvande, Commented Aug 25, 2013 at 16:51
Please learn about arrays: php.net/manual/en/language.types.array.php — Mchl
– Mchl, Commented Aug 25, 2013 at 16:53
While neither me nor you have any influence over winning the lottery, we do have a choice of choosing what to learn. Your question is typical to people, who never heard about arrays, or for some reason do not understand them. — Mchl
– Mchl, Commented Aug 25, 2013 at 17:12

Dave Chen · Accepted Answer · 2013-08-25 16:53:46Z

1

Why not use an array in HTML?

<?php
    print_r($_GET);
?>

<form action="" method="get">
    <input type="text" name="recipient[]">
    <input type="text" name="recipient[]">
    <input type="text" name="recipient[]">
    <input type="text" name="recipient[]">
    <input type="text" name="recipient[]">
    <input type="text" name="recipient[]">
    <input type="submit">
</form>

Example URL:

recipient%5B%5D=k&recipient%5B%5D=g&recipient%5B%5D=b&recipient%5B%5D=n&recipient%5B%5D=m&recipient%5B%5D=%2C

Example output:

Array
(
    [recipient] => Array
        (
            [0] => k
            [1] => g
            [2] => b
            [3] => n
            [4] => m
            [5] => l
        )

)

answered Aug 25, 2013 at 16:53

Dave Chen

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