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@ 2015-04-29T20:52:41Z

<?php

$data = array();
$data['uid'] = '1234';

if (!empty($data['uid'])) {
    $uid = $data['uid'][0];
}

print_r($data);

Output
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print_r: documentation ( source)

preferences:dark modelive preview

43.66 ms | 402 KiB | 5 Q