php判斷變量是否為正整數

原文作者: xingguang
原文鏈接：https://www.tiance.club/post/934001781.html

$data['recharge_price']=str_replace('.00','',$data['recharge_price']);
    if(preg_match("/^[1-9][0-9]*$/" ,$data['recharge_price'])) {
        echo "是正整數";
    }else{
        echo "不是正整數";
    }