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< ? php
include_once __DIR__ . '/core.php' ;
$id_module = filter ( 'id_module' );
$id_record = filter ( 'id_record' );
$posizione = $id_module ;
if ( isset ( $id_record )) {
$posizione .= ', ' . $id_record ;
}
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$dbo -> query ( 'UPDATE zz_semaphores SET updated = NOW() WHERE id_utente = ' . prepare ( $_SESSION [ 'id_utente' ]) . ' AND posizione = ' . prepare ( $posizione ));
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$dbo -> query ( 'DELETE FROM zz_semaphores WHERE DATE_ADD(updated, INTERVAL ' . ( get_var ( 'Timeout notifica di presenza (minuti)' ) * 2 ) . ' SECOND) <= NOW()' );
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$datas = $dbo -> fetchArray ( 'SELECT DISTINCT * FROM zz_semaphores INNER JOIN zz_users ON zz_semaphores.id_utente=zz_users.id_utente WHERE zz_semaphores.id_utente != ' . prepare ( $_SESSION [ 'id_utente' ]) . ' AND posizione = ' . prepare ( $posizione ));
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$result = [];
if ( $datas != null ) {
foreach ( $datas as $data ) {
array_push ( $result , [ 'username' => $data [ 'username' ]]);
}
}
echo json_encode ( $result );