flock

နမူနာ

 <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">"w +"</span> <span class="token punctuation">)</span> <span class="token punctuation">,</span>

<span class="token comment">// သီးသန့်သော့ခတ်</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span> <span class="token function">သိုးစု</span> <span class="token punctuation">(</span> <span class="token variable">$ ဖိုင်</span> <span class="token punctuation">,</span> <span class="token constant">Lock_ex</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">$ file</span> <span class="token punctuation">"</span> <span class="token string double-quoted-string">" တစ်ခုခုရေးပါ "</span> ) <span class="token punctuation">,</span> <span class="token punctuation">)</span> ;
  <span class="token comment">// လွှတ်ပေးရန်သော့ခတ်</span>
  <span class="token function">သိုးစု</span> <span class="token punctuation">(</span> <span class="token variable">$ ဖိုင်</span> <span class="token punctuation">,</span> <span class="token constant">log_un</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">သို့မဟုတ်</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"အမှားသော့ခတ်ဖိုင်!"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>

<span class="token function">fcose</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>