通过验证字符串长度是否已达到指定的数字来输入下一行

Question

I want to create a condition in to check whether the length of the string has reached the specified value and if the condition is true then show rest of the characters on the next line. The string is passed from a form using POST method.

Answer 1

你在寻找wordwrap（）函数吗？

Answer 2

considering the specific length is 10

 if(strlen($_POST['str']) > 10)
    echo "\n". substr($_POST['str'],10);

Answer 3

$max_length = 100;
$string = 'mystring'; // or whatever 

if(strlen($string) > $max_length){
    $sub_str = substr($string, $max_length);
}

echo $sub_str on a new line if $sub_str is set.