wordwrap

实例

例子 1

按照指定长度对字符串进行折行处理：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"长单词的一个例子：Supercalifragulistic"</span><span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">wordwrap</span><span class="token punctuation">(</span><span class="token variable">$str</span><span class="token punctuation">,</span><span class="token number">15</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"<br>\n"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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例子 2

使用所有的参数：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"An example of a long word is: Supercalifragulistic"</span><span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">wordwrap</span><span class="token punctuation">(</span><span class="token variable">$str</span><span class="token punctuation">,</span><span class="token number">15</span><span class="token punctuation">,</span><span class="token string double-quoted-string">"<br>\n"</span><span class="token punctuation">,</span><span class="token constant boolean">TRUE</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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例子 3

对字符串进行折行：

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$str</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"An example of a long word is: Supercalifragulistic"</span><span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">wordwrap</span><span class="token punctuation">(</span><span class="token variable">$str</span><span class="token punctuation">,</span><span class="token number">15</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

以上代码的 HTML 输出（请查看源代码）：

<span class="token operator"><</span><span class="token operator">!</span><span class="token constant">DOCTYPE</span> html<span class="token operator">></span>
<span class="token operator"><</span>html<span class="token operator">></span>
<span class="token operator"><</span>body<span class="token operator">></span>
An example of a
long word is<span class="token punctuation">:</span>
Supercalifragulistic
<span class="token operator"><</span><span class="token operator">/</span>body<span class="token operator">></span>
<span class="token operator"><</span><span class="token operator">/</span>html<span class="token operator">></span>

以上代码的浏览器输出：

长单词的一个例子：Supercalifragulistic

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