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@ 2015-04-29T23:09:52Z

<?php

$data = array();
$data['uid'] = "234";

if (!empty($data->uid)) {
    $uid = $data->uid[0];
    print_r('UID' . $uid);
    if (empty($uid)) {
        print_r('empty');
    }
}

Output
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print_r: documentation ( source)

preferences:dark modelive preview

42.64 ms | 402 KiB | 5 Q