复制代码 代码如下:echo “asd”;//字符串 echo “ads$c”;//字符串+变量 echo ‘ads$c’;//字符串 asd$c $c不是变量 echo “sd”.”vs”; echo “sd”,”vs”; echo $a; echo $a.$b; echo $a,$b; echo $a.$b.$c; echo $a,$b,$c; echo “kaskd{$c}asd”; echo “kakskd{$arr[‘lo’]}”; echo “kakskd{$obj->a}”; echo “kaskd”.$c.”kasd”; echo “kaskd”.$arr[‘lo’].”kas
