check lenght in php

PHP
/*
To measure the length of string there is built-in function in php which returns the exact length of string.
*/

Syntax:
strlen(paramenter);

<?php
$name = 'ankur';
echo "Name Length : ".strlen($name);  // Name Length : 5

$message = 'Welcome greppers !';
echo "Message Length : ".strlen($message);  // Message Length : 18
?>
  
/*
I hope it will help you.
Namaste
*/$name = "Perú"; // With accent mark
echo strlen($name); // Display 5, because "ú" require 2 bytes.

$name = "Peru"; // Without accent mark
echo strlen($name); // Display 4
Source

Also in PHP: