php convert to string

1return strval($integer);

1$number = 10;
2// To convert this number to a string:
3$numberString = (string)$number;

1$var = 5;
2
3// Inline variable parsing
4echo "I'd like {$var} waffles"; // = "I'd like 5 waffles
5
6// String concatenation 
7echo "I'd like ".$var." waffles"; // I'd like 5 waffles
8
9// Explicit cast 
10$items = (string)$var; // $items === "5";
11
12// Function call
13$items = strval($var); // $items === "5";
14

1<?php
2class StrValTest
3{
4    public function __toString()
5    {
6        return __CLASS__;
7    }
8}
9
10// Prints 'StrValTest'
11echo strval(new StrValTest);
12?>

1echo "'$animal'";

1$stuff = array(1,2,3);
2print_r($stuff);
3$stuff = array(3,4,5);
4var_dump($stuff);