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                字符串定義與header相應頭設置 ``` header("Content-type: text/html; charset=utf-8"); ``` 字符串轉義 $string='你好'; ``` \ \轉義符 (把系統規定的比如網站,$等其他特殊字符轉義成字符串)。 ``` ## 字符串定界符與strlen-mb_strlen ``` <<<str 可以輸入HTML格式文件,也可也輸入別的,都會以字符串輸出。 str; ``` ## .連接
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