PHP judgment is the day of the week solution

// 
$da = Date ("W"),  ,
if ($da = = "1") { 
echo "Today is Monday";  
}else if ($da = = "2") {& nbsp
echo "Today is Tuesday";  
}else if ($da = = "3") { 
echo "Today is Wednesday";  
}else if ($da = = "4") { 
Echo "Today is Thursday";  
}else if ($da = = "5") { 
echo "Today is Friday";  
}else if ($da = = "6") { 
echo "Today is Saturday. ";  
}else if ($da = =" 0 ") { 
echo" Today is Sunday ";  
}else{ 
echo" You mistyped!! ";  
}; 
//second notation  
$ga = Date ("w");  
Switch ($GA) { 
Case 1:echo "Today is Monday";  
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; 
D Efault:echo "you entered the wrong!" ";  
}; 
//Third  

Echo" Today is Week ". Mb_substr ("Day 123456", Date ("W"), 1, "Utf-8"),  

Don't understand can consult old Ant Technical Department 18107823062 same number

PHP judgment is the day of the week solution