phpとexplodeと改行コードCRLF
レコード分解時にtrim()する必要なんてなかった.
a.php
<?php $incsv = file_get_contents("data.txt"); $records = explode("\r\n", trim($incsv)); //$records = explode("\n", trim($incsv)); $r = explode(",", $records[0]); var_dump($r);
出力
$records = explode("\r\n", trim($incsv));
D:\>php a.php array(5) { [0]=> string(1) "a" [1]=> string(1) "1" [2]=> string(1) "2" [3]=> string(1) "3" [4]=> string(1) "4" }
$records = explode("\n", trim($incsv));
D:\>php a.php array(5) { [0]=> string(1) "a" [1]=> string(1) "1" [2]=> string(1) "2" [3]=> string(1) "3" [4]=> " string(2) "4 }