就像是：
$query = explode('&', $_SERVER['QUERY_STRING']);
$params = array();
foreach( $query as $param )
{
// prevent notice on explode() if $param has no '='
if (strpos($param, '=') === false) $param += '=';
list($name, $value) = explode('=', $param, 2);
$params[urldecode($name)][] = urldecode($value);
}
给你：
array(
'ctx_ver' => array('Z39.88-2004'),
'rft_id' => array('info:oclcnum/1903126', 'http://www.biodiversitylibrary.org/bibliography/4323'),
'rft_val_fmt' => array('info:ofi/fmt:kev:mtx:book'),
'rft.genre' => array('book'),
'rft.btitle' => array('At last: a Christmas in the West Indies.'),
'rft.place' => array('London'),
'rft.pub' => array('Macmillan and co.'),
'rft.aufirst' => array('Charles'),
'rft.aulast' => array('Kingsley'),
'rft.au' => array('Kingsley, Charles'),
'rft.pages' => array('1-352'),
'rft.tpages' => array('352'),
'rft.date' => array('1871')
)
由于总是有可能重复一个URL参数，因此最好总是具有数组，而不是仅对那些预期它们的参数进行重复。
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