Several ways to write what day of the week today is in PHP_PHP Tutorial

// The first way of writing
$da = date("w");
if( $da == "1" ){
echo "Today is Monday";
}else if( $da == "2" ){
echo "Today is Tuesday";
}else if( $da == "3" ){
echo "Today is Wednesday";
}else if( $da == "4" ){
echo "Today is Thursday" ;
}else if( $da == "5" ){
echo "Today is Friday";
}else if( $da == "6" ){
echo "Today is Friday" Saturday";
}else if( $da == "0" ){
echo "Today is Sunday";
}else{
echo "You made a mistake!!";
};
// The second way of writing
$ga = date("w");
switch( $ga ){
case 1: echo "Today is Monday";break;
case 2 : echo "Today is Tuesday";break;
case 3 : echo "Today is Wednesday";break;
case 4 : echo "Today is Thursday";break;
case 5 : echo "Today is Friday";break;
case 6 : echo "Today is Saturday";break;
case 0 : echo "Today is Sunday";break;
default : echo "You entered Wrong! ";
};
// The third way of writing

echo "Today is Sunday". mb_substr("日一二三四五六",date("w"), 1,"utf-8" );