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解答例

PHP

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

//引数に100を足す関数
function testfunc($data){
	$data1 = 100;
	echo "関数内のdata1 → " . $data1 . "<br>";
	return $data + $data1;
}

$data1 = 15;
echo "呼び出し側のdata1 → " . $data1 . "<br>";

//ユーザ定義関数を呼び出し
echo "計算結果 → " . testfunc($data1);

?>

inserted by FC2 system