<?php $arr = ["split", "cat", "split", "dog", "cow"]; $rebuild = []; $offset = 0; foreach ($arr as $key => $value) { if ($value === 'split') { $rebuild = array_filter([...$rebuild, array_slice($arr, $offset, $key - $offset)]); $offset = ++$key; } } var_dump([...$rebuild, array_slice($arr, $offset, count($arr) - $offset)]);
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