PHP/intval()

解説数値として返す

sample1 0

sample1code

$sample1Array = [];
echo intval($sample1Array);

sample2 1

sample2code

$s2Array = ["ウバメガシ", "レンギョウ"];
echo intval($s2Array);

sample3 ツツジ

sample3code

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