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<?php function chunkByDelimiter(array $data, $delimiter='-') { $result = []; while(false!==($pos=array_search($delimiter, $data)) && $segment = array_splice($data, 0, $pos)) { $result[] = $segment; array_shift($data); } return $result; } var_dump(chunkByDelimiter(['foo', '-', 'bar', 'baz', '-', 'fee', 'bee', '-']));

preferences:
33.87 ms | 402 KiB | 5 Q