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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ``` $website = "Dash" ; $name = 'Tom' ; echo 'Welcome to visit $website. My name is $name.' ; echo '<br>' ; echo "Welcome to visit $website. My name is $name." ; ``` 程序輸出: Welcome to visit $website. My name is $name. Welcome to visit Dash. My name is Tom. >[danger]雙引號可直接解析變量,單引號不行 ``` //字符串中有"時,我們可以加\解析 $str="abcd\"12'34\"abcd"; $arr[]=1; echo "The first element is $arr[0]."; $Fruit['one']='apple'; //但是字符串中不存在索引數組時,不管下標用'或者"都會報錯,這時候我們就需要{}包裹它 echo "The first element is {$Fruit['one']}."; echo "The first element is {$Fruit["one"]}."; ```
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                              哎呀哎呀视频在线观看