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解答例

PHP

<?php
header("Content-type: text/html; charset=utf-8");

$data = "  PHP  :  Hypertext  Preprocessor  ";

//もとの文字を出力
echo "|" . $data . "|長さ" . strlen($data) . "<br>";

//半角スペースを長さ0の文字列に置換
$data = str_replace(" ", "",$data);
echo "|" . $data . "|長さ" . strlen($data) . "<br>";

?>

inserted by FC2 system