php echo 输出字符串函数详解

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-