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@ 2014-12-26T11:04:30Z

<?php
$input_array = array(
    ' QsdfsdQ QsdfasdQ; ',
    'QsdfdQ   QadfsQ;',
    'QdQ   QsafasQ QaQ; QdfsdQ'
);
$result = implode('||', $input_array);
$result = preg_replace('/\W|;/m', '', $result);
echo $result;

Output
Performance
VLD
References
Branches

implode: documentation ( source)
preg_replace: documentation ( source)

preferences:dark modelive previewkey bindings

24.36 ms | 405 KiB | 5 Q