how to append to string in php code example

Example 1: how to combine variables and text into a string php

<?php
$number = 8;
$txt = "the number is".$number.", ok?"; //Use a dot to combine
echo $txt;
?>

Example 2: php append string

<?php
$a = "Hello ";
$b = $a . "World!"; // now $b contains "Hello World!"

$a = "Hello ";
$a .= "World!";     // now $a contains "Hello World!"
?>

Example 3: add more data to variable php

$a = "Hello ";
$a .= "World!";

Example 4: append variable into string php

echo "'$animal'";

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Php Example