convert function to string in php code example

Example 1: php to string

$number = 10;
// To convert this number to a string:
$numberString = (string)$number;

Example 2: php convert to string

<?php
class StrValTest
{
    public function __toString()
    {
        return __CLASS__;
    }
}

// Prints 'StrValTest'
echo strval(new StrValTest);
?>