一般拼字符串用哪种方式呀
$a = "aa";
$b = "bb";
$str = "{a:".$a.",b:".$b."}";
$str1 = "{a:$a,b:$b}";
$str2 = sprintf("{a:%s,b:%s}",$a,$b);
echo $str;
echo $str1;
echo $str2;
3中了
一般哪种好些,或者说是有不同的场景.... 各有各的号
还有其他的拼字符串的方式吗???
$a = "aa";<br /> $b = "bb";<br /> $array = array();<br /> $array['a'] = $a;<br /> $array['b'] = $b;<br /> echo json_encode($array);
<br /> $a = 'aa';<br /> $b = 'bb';<br /> $array = array (<br /> 'a' => $a,<br /> 'b' => $b <br /> );<br /> $str2 = json_encode ( $array );<br /> echo $str2;<br />
![[웹 프런트엔드] Node.js 빠른 시작](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
