<?php
echo "Hoy es: ";
$dia = date("D");
if($dia == "Mon") echo "Lunes";
elseif($dia == "Tue") echo "Martes";
elseif($dia == "Wed") echo "Miércoles";
elseif($dia == "Thu") echo "Jueves";
elseif($dia == "Fri") echo "Viernes";
elseif($dia == "Sat") echo "Sábado";
else echo "Domingo";
?>
continua:
https://youtu.be/C_rmT8Q6BiA?t=4610