unset

နမူနာ

variable တွေကိုဖျက်ဆီး

 <span class="token php language-php"><span class="token delimiter important"><? PHP</span>  
<span class="token variable">$ a</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello World!"</span> <span class="token punctuation">;</span>  
<span class="token keyword">ECHO</span> <span class="token string double-quoted-string">"ယခင် variable ကို &#39;a&#39; ၏တန်ဖိုးကိုဖျက်ပါ။</span> <span class="token operator">"</span> <span class="token variable">$ a</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>  
<span class="token keyword">unset</span> <span class="token punctuation">(</span> <span class="token variable">$ က</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>  
<span class="token keyword">ECHO</span> <span class="token string double-quoted-string">"ဖျက်လိုက်ပြီးနောက် &#39;&#39; Variable-A &#39;၏တန်ဖိုး -"</span> <span class="token operator">။</span> <span class="token variable">$ a</span> <span class="token punctuation">;</span>  
<span class="token delimiter important">></span></span>

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