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- <?php
- function update(&$arr, $elem) {
- array_unshift($arr, $elem);
- array_pop($arr);
- }
- <?php
- $arr = array(null,null,null);
- update($arr, 'first');
- update($arr, 'second');
- update($arr, 'third');
- print_r($arr);
- update($arr, 'fourth');
- print_r($arr);
- $_SESSION['clicks'] = array(null, null, null);
- update($_SESSION['clicks']);
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