note 79147 added to function.array
| From: | sambarrow at osu1 dot php dot net | Date: | Tue, 13 Nov 2007 18:46:42 +0000 |
| Subject: | note 79147 added to function.array | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-132231@lists.php.net to get a copy of this message | ||
check out these functions - retrieves a random element or key of an array (numeric or string
indexes, doesn't matter).
function randomKey(array $array)
{
global $mod, $plg, $sec ;
$rand = rand(0, count($array) - 1) ;
$counter = 0 ;
foreach (array_keys($array) as $key)
{
if ($counter++ == $rand)
{
return $key ;
}
}
trigger_error('Array is empty.', E_USER_WARNING) ;
}
function randomElement(array $array)
{
global $mod, $plg, $sec ;
$rand = rand(0, count($array) - 1) ;
$counter = 0 ;
foreach ($array as $value)
{
if ($counter++ == $rand)
{
return $value ;
}
}
trigger_error('Array is empty.', E_USER_WARNING) ;
}
----
Server IP: 69.147.83.197
Probable Submitter: 65.207.49.92
----
Manual Page -- http://www.php.net/manual/en/function.array.php
Edit -- https://master.php.net/note/edit/79147
Del: integrated -- https://master.php.net/note/delete/79147/integrated
Del: useless -- https://master.php.net/note/delete/79147/useless
Del: bad code -- https://master.php.net/note/delete/79147/bad+code
Del: spam -- https://master.php.net/note/delete/79147/spam
Del: non-english -- https://master.php.net/note/delete/79147/non-english
Del: in docs -- https://master.php.net/note/delete/79147/in+docs
Del: other reasons-- https://master.php.net/note/delete/79147
Reject -- https://master.php.net/note/reject/79147
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