<?php
$str_string1 = '我是字符串';
$str_string2 = "我是字符串";
echo $str_string1;
echo "<br />";
var_dump($str_string1);
echo "<br />";
echo $str_string2;
echo "<br />";
var_dump($str_string2);
?>
我是字符串
string(15) "我是字符串"
我是字符串
string(15) "我是字符串"
