doubleval
floatval에 대한 별칭
한국어
한국어
다른 변수의 부동 소수점 값을 반환합니다.
<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">"1234.56789"</span> <span class="token punctuation">;</span> <span class="token keyword">Echo</span> <span class="token function">Doubleval</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">"1234.56789Hello"</span> <span class="token punctuation">;</span> <span class="token keyword">에코</span> <span class="token function">더블 발</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">"hello1234.56789"</span> <span class="token punctuation">;</span> <span class="token keyword">에코</span> <span class="token function">더블 발</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 delimiter important">?></span></span>
settype
isset
is_double
get_defined_vars
strval
boolval
debug_zval_dump
is_null
