count amount of characters in string php code example

Example 1: get number of chars ina string php

$name = "Perú"; // With accent mark
echo strlen($name); // Display 5, because "ú" require 2 bytes.

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

Example 2: php count specific characters in string

<?php
//you can use the substr_count function
$str = "this is a test string"; 

echo substr_count($str, "s");  //Output: 4
?>