Echo¶
echo is a PHP language construct used to output text to the browser or the output stream. It’s commonly used to display content on a web page, generate HTML, or provide feedback to users. The echo construct is often used in PHP scripts to generate dynamic content that is sent to the client’s web browser.
echo is a language construct of PHP.
echo works without parenthesis. It also accepts an arbitrary number of arguments.
<?php
echo 'Hello', ' ', 'world!';
?>
Related : Print, Language construct