3v4l.org

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<?php $total_pages = 100; $current_page = 50; $boundaries = 2; $around = 2; $arr1 = range(1, $boundaries); $arr2 = range($total_pages - max(($boundaries - 1), 0), $total_pages); $arr3 = range(min($current_page - $around, 1), $current_page); $arr4 = range($current_page, $current_page + $around); $result = array_unique(array_merge($arr1, $arr2, $arr3, $arr4)); sort($result); var_dump($arr1 ); ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(2) { [0]=> int(1) [1]=> int(2) }
preferences:
337.21 ms | 406 KiB | 459 Q