PHP定界符 多行字串的生成
- WBOY原創
- 2016-07-28 08:26:122437瀏覽
適用於比較複雜的字串、產生HTML字串或XML 或其他作用,他會把每一行當作文字的每一行.但是在一些特殊情況下看不出來但是真正的存在,比如HTML程式碼,會無視換行符
符號:
語法:
<code><<<变量(无<span>$符</span>) (开头无空格)第一行 <span>XXX</span><span>XXX</span><span>XX</span>(开头无空格)变量(无<span>$符</span>)</code>
<code><span><span><?php</span><span>$s</span> =<span><<<s <p>1</p> <p>2</p> <p>3</p> s;<span>echo</span><span>$s</span>; <span>?></span></code>
<code>1 2 3</code>
實例2:
<code><span><?php</span><span>$_data</span> =<span><<<data
<?xml version="1.0" encoding="UTF-8"?>
<note>
<to>George</to>
<from>老三</from>
<heading>Reminder</heading>
<body>Don't forget the meeting!</body>
</note>
data;</span><span>$myfile</span> = fopen(<span>"file.txt"</span>, <span>"w"</span>) <span>or</span><span>die</span>(<span>"Unable to open file!"</span>);
fwrite(<span>$myfile</span>, <span>$_data</span>);
fclose(<span>$myfile</span>);
<span>?></span></code>
<code>file.txt内容: <span><?xml version="1.0" encoding="UTF-8"?></span><span><<span>note</span>></span><span><<span>to</span>></span>George<span></<span>to</span>></span><span><<span>from</span>></span>老三<span></<span>from</span>></span><span><<span>heading</span>></span>Reminder<span></<span>heading</span>></span><span><<span>body</span>></span>Don't forget the meeting!<span></<span>body</span>></span><span></<span>note</span>></span></code>').addClass('pre-numbering'). hide(); $(this).addClass('has-numbering').parent().append($numbering); for (i = 1; i ').text(i)); }; $numbering.fadeIn(1700); }); });
以上就介紹了 PHP定界符 多行字串的生成，包括了方面的內容，希望對PHP教程有興趣的朋友有所幫助。
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