boolval
변수의 부울 값을 얻으십시오
한국어
한국어
다른 변수에 대한 부울 값을 반환합니다.
<span class="token php language-php"><span class="token delimiter important"><? php</span> <span class="token keyword">에코</span> <span class="token string double-quoted-string">"0 :"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">Boolval</span> <span class="token punctuation">(</span> <span class="token number">0</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'true'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'false'</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 keyword">에코</span> <span class="token string double-quoted-string">"4 :"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">Boolval</span> <span class="token punctuation">(</span> <span class="token number">42</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'true'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'false'</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 keyword">echo</span> <span class="token string single-quoted-string">' "":'</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">boolval</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">""</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'true'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'false'</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 keyword">echo</span> <span class="token string single-quoted-string">' "hello":'</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">boolval</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"hello"</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'true'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'false'</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 keyword">echo</span> <span class="token string single-quoted-string">' "0":'</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">boolval</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"0"</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'true'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'false'</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 keyword">에코</span> <span class="token string double-quoted-string">"[3, 5] :"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">boolval</span> <span class="token punctuation">(</span> <span class="token punctuation">[</span> <span class="token number">3</span> <span class="token punctuation">,</span> <span class="token number">5</span> <span class="token punctuation">]</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'true'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'false'</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 keyword">echo</span> <span class="token string double-quoted-string">"[] :"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">boolval</span> <span class="token punctuation">(</span> <span class="token punctuation">[</span> <span class="token punctuation">]</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string single-quoted-string">'true'</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">'false'</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>
is_countable
strval
debug_zval_dump
var_dump
is_float
is_string
get_resource_type
is_iterable
