is_float

နမူနာ

variable ကို float အမျိုးအစားဟုတ်မဟုတ်စစ်ဆေးပါ။

 <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 number">32</span> <span class="token punctuation">;</span>
<span class="token keyword">ပဲ့တင်သံ</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">။</span> <span class="token function">is_float</span> <span class="token punctuation">(</span> <span class="token variable">$ က</span> <span class="token punctuation">)</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ ခ</span> <span class="token operator">=</span> <span class="token number">0</span> <span class="token punctuation">;</span>
<span class="token keyword">ပဲ့တင်သံ</span> <span class="token string double-quoted-string">"B"</span> <span class="token operator">။</span> <span class="token function">is_float</span> <span class="token punctuation">(</span> <span class="token variable">$ ခ</span> <span class="token punctuation">)</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ c</span> <span class="token operator">=</span> <span class="token number">32.5</span> <span class="token punctuation">;</span>
<span class="token keyword">ပဲ့တင်သံ</span> <span class="token string double-quoted-string">"C သည်" ဖြစ်သည်</span> <span class="token operator">။</span> <span class="token function">is_float</span> <span class="token punctuation">(</span> <span class="token variable">$ ဂ</span> <span class="token punctuation">)</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ d</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"32"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"d is"</span> <span class="token operator">။</span> <span class="token function">is_float</span> <span class="token punctuation">(</span> <span class="token variable">$ d</span> <span class="token punctuation">)</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ e</span> <span class="token operator">=</span> <span class="token constant boolean">စစ်မှန်တဲ့</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"E သည်"</span> <span class="token operator">။</span> <span class="token function">is_float</span> <span class="token punctuation">(</span> <span class="token variable">$ င</span> <span class="token punctuation">)</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ f</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"null"</span> <span class="token punctuation">;</span>
<span class="token keyword">ပဲ့တင်သံ</span> <span class="token string double-quoted-string">"F"</span> <span class="token operator">။</span> <span class="token function">is_float</span> <span class="token punctuation">(</span> <span class="token variable">$ f</span> <span class="token punctuation">)</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ g</span> <span class="token operator">=</span> <span class="token number">1.e3</span> <span class="token punctuation">;</span>
<span class="token keyword">ပဲ့တင်သံ</span> <span class="token string double-quoted-string">"ဆ"</span> <span class="token operator">။</span> <span class="token function">is_float</span> <span class="token punctuation">(</span> <span class="token variable">$ g</span> <span class="token punctuation">)</span> <span class="token operator">။</span> <span class="token string double-quoted-string">"<br> <br>"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">></span></span>

သင်ကိုယ်တိုင်စမ်းကြည့်ပါ

variable g သိပ္ပံသည်သိပ္ပံဆိုင်ရာမှတ်စုများကို အသုံးပြု. ကိုယ်စားပြုလျှင်ပင် float အမျိုးအစားဟုသတ်မှတ်ဆဲဖြစ်သောကြောင့် is_float($g) သည် TRUE သည်။