fgets

实例

例子 1

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>

<span class="token variable">$ file</span> <span class="token operator">=</span> <span class="token function">fopen</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"test.txt"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"r"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">fgets</span> <span class="token punctuation">(</span> <span class="token variable">$ file</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token function">fcLose</span> <span class="token punctuation">(</span> <span class="token variable">$ file</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token delimiter important">?></span></span>

输出类似 ：

 Hallo, das ist eine Testdatei.

例子 2

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>

<span class="token variable">$ file</span> <span class="token operator">=</span> <span class="token function">fopen</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"test.txt"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"r"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token keyword">while</span> <span class="token punctuation">(</span> <span class="token operator">!</span> <span class="token function">feof</span> <span class="token punctuation">(</span> <span class="token variable">$ file</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token function">fgets</span> <span class="token punctuation">(</span> <span class="token variable">$ file</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br />"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>

<span class="token function">fcLose</span> <span class="token punctuation">(</span> <span class="token variable">$ file</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

输出类似 ：

 Hallo, das ist eine Testdatei. 
Hier gibt es drei Zeilen. 
Dies ist die letzte Zeile.