Re: Emptying a Single Array Value
| From: | Martin Clifford | Date: | Wed, 12 Jun 2002 19:10:23 +0000 |
| Subject: | Re: Emptying a Single Array Value | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-101798@lists.php.net to get a copy of this message | ||
I have an online example of the progam at http://www.recordconsulting.com/temp/shop.php.
Each of the delete links use the corresponding index values for the array, and use the unset()
function to remove them.
While I'm here... how do I find the amount of information in an array? JavaScript parlance
would be $array.length.
Code is below:
<snip>
<?php
if($action == "delete") {
unset($item[$id]);
}
$color = "#336699";
var_dump($item);
for($counter = 0; $counter < 7; $counter++) {
$offset = $counter + 1;
echo "<tr><td width=\"80%\" bgcolor=\"$color\">\n";
echo "Item " . $offset . ": " . $item[$counter];
echo "</td>\n";
echo "<td width=\"20%\" bgcolor=\"$color\">\n";
echo "<a href=\"makelist.php?action=delete&id=$counter\"
class=\"link\">Delete</a>\n";
echo "</td></tr>\n\n";
if($color == "#336699") {
$color = "#6699CC";
} else {
$color = "#336699";
}
}
?>
</snip>
Thanks!
>>> Philip Olson <philip@cornado.com> 06/12/02 03:02PM >>>
unset() works for this, how are you using it
exactly? Please post a short test script
that misbehaves for you.
$arr = array('foo','bar');
unset($arr[0]);
print_r($arr); // only $arr[1] = 'bar' exists now
See also: http://www.php.net/unset
http://www.php.net/array_splice
Regards,
Philip Olson
On Wed, 12 Jun 2002, Martin Clifford wrote:
> Howdy,
>
> If someone out there could tell me how to get rid of a single key/index pair within an array,
> it would be great. I've tried both unset() and empty(), but both destroy the entire array.
>
> Please CC me directly, as I'm on the digest.
>
> Thanks in advance!
>
> Martin
>
>
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