note 79147 deleted from function.array by sobak
| From: | sobak@php.net | Date: | Fri, 25 Nov 2016 07:37:35 +0000 |
| Subject: | note 79147 deleted from function.array by sobak | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-207669@lists.php.net to get a copy of this message | ||
Note Submitter: sam barrow
----
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) ;
}