if改为switch

if

<?php
$bread = date("w"); 
if( $bread == "1" ){ 
echo "荞麦面包"; 
}else if( $bread == "2" ){ 
echo "蜂蜜面包"; 
}else if( $bread == "3" ){ 
echo "吐司面包"; 
}else if( $bread == "4" ){ 
echo "全麦面包"; 
}else if( $bread == "5" ){ 
echo "奶油面包"; 
}else if( $bread == "6") {
echo "芒果布丁";
}else{ 
echo "巧克力面包"; 
}; 
?>

switch

<?php
$bread = date("w"); 
switch( $bread ){ 
case 1 : echo "荞麦面包";break; 
case 2 : echo "蜂蜜面包";break; 
case 3 : echo "吐司面包";break; 
case 4 : echo "全麦面包";break; 
case 5 : echo "奶油面包";break;
case 6 : echo "巧克力面包";break;
default : echo "芒果布丁"; 
}; 
?>