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strval

獲取變量的字符串值
名稱:strval
分類:變量處理
所屬語言:php
一句話介紹:返回變量的字符串值。

實例

返回不同變量的字符串值:

 <span class="token php language-php"><span class="token delimiter important"><?php</span>
<span class="token variable">$a</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">strval</span> <span class="token punctuation">(</span> <span class="token variable">$a</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$b</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"1234.56789"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">strval</span> <span class="token punctuation">(</span> <span class="token variable">$b</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$c</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"1234.56789Hello"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">strval</span> <span class="token punctuation">(</span> <span class="token variable">$c</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$d</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello1234.56789"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">strval</span> <span class="token punctuation">(</span> <span class="token variable">$d</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$e</span> <span class="token operator">=</span> <span class="token number">1234</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token function">strval</span> <span class="token punctuation">(</span> <span class="token variable">$e</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

親自試一試

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