On Fri, May 11, 2007 11:53 pm, Todd Cary wrote:
> When I use the following syntax, the 2 dimensional array loses
> it's contents. Can an array be passed this way?
>
> <? echo '<input type="hidden" name="attend_ary_save" value=' .
> $attend_ary_save .'>'; ?>
No.
You'll just get "Array" back.
You can do a few things:
<?php
foreach($attend_ary_save as $k1 => $v1){
foreach($v1 as $k2 => $v2){
?><input type="hidden" name="attend_ary_save[<?php echo
$k1?>][<?php echo $k2?>]" value="<?php echo $v2?>" /><?php
}
}
?>
Actually, you should wrap htmlentities() around each value being
echo-ed out.
Another option is to http://php.net/serialize the data before you send
it to HTML, and then (duh) unserialize it when it comes back.
Or, be REALLY smart, and use session_start() and just put the array in
$_SESSION and don't send data back-n-forth over HTTP, which is A)
expensive, and B) subject to user tampering, and C) inefficient.
Actually, A and C technically depend on your bandwidth versus hard
drive speed, or wherever you store you session data, so, in theory, it
could be cheaper or more efficient to use HTTP... But I sure doubt it
in any real world hardware setup.
PS Just FYI, internally, PHP's session data is just serialized the
same way you'd do it for HTTP.
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