ftruncate处理大文件会卡顿吗？解析其性能瓶颈与优化技巧

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</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<h1>ftruncate处理大文件会卡顿吗？解析其性能瓶颈与优化技巧</h1>"</span></span><span>;

</span><span><span class="hljs-keyword">echo</span></span><span> </span><span><span class="hljs-string">"<p>在PHP中，<code>ftruncate