php string minimum length code example

Example 1: php string length

<?php
$str = 'Hello World!';
echo strlen($str); // 12
?>

Example 2: set a minimum character value in php

if (strlen($input) < 12)
{
   echo "Input is too short, minimum is 12 characters (20 max).";
}
elseif(strlen($input) > 20)
{
   echo "Input is too long, maximum is 20 characters.";
}