Run ❯
Get your
own
website
×
Change Orientation
Change Theme, Dark/Light
Go to Spaces
<!DOCTYPE html> <html> <body> <?php function printFormatted(callable $format, $str) { echo $format($str); echo "<br>"; } function exclaim($str) { return $str . "!"; } printFormatted("exclaim", "Hello World"); ?> </body> <!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_keyword_callable by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:22:56 GMT --> </html>
Hello World!
