array(5) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "d" [4]=> string(1) "e" } // 改行コード \r、\n、\r\n の3種を区別せず配列化 $arr = preg_split("/\R/", $str); // 各要素の空白除去 array_walk_recursive($arr, 'trim'); // 文字列長が0の要素を除去 $arr = array_filter($arr, 'strlen'); // インデックスを振り直す $arr = array_merge($arr); Register as a new user and use Qiita more conveniently You get articles that mat
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