PHP/mt_rand()

解説乱数を取得

mt_rand($min, $max)

sample1 0

sample1code

echo mt_rand(0, 10);

sample2 レンギョウ

sample2code

$s2Array = ["レンギョウ", "ムクゲ", "アベリア"];
$s2Num = mt_rand(0, 2);
echo $s2Array[$s2Num];

sample3 桜

sample3code

$s3Array = ["ツツジ", "桜", "梅"];
$s3Num = mt_rand(0, intval($s3Array));
echo $s3Array[$s3Num];