tmpfile

实例

<span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$temp</span> <span class="token operator">=</span> <span class="token function">tmpfile</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token function">fwrite</span><span class="token punctuation">(</span><span class="token variable">$temp</span><span class="token punctuation">,</span> <span class="token string double-quoted-string">"Testing, testing."</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token comment">//倒回文件的开头</span>
<span class="token function">rewind</span><span class="token punctuation">(</span><span class="token variable">$temp</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token comment">//从文件中读取 1k</span>
<span class="token keyword">echo</span> <span class="token function">fread</span><span class="token punctuation">(</span><span class="token variable">$temp</span><span class="token punctuation">,</span><span class="token number">1024</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token comment">//删除文件</span>
<span class="token function">fclose</span><span class="token punctuation">(</span><span class="token variable">$temp</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

输出：

Testing, testing.