현재 위치: > 함수 카테고리 모음> is_scalar

is_scalar

변수가 스칼라인지 감지하십시오
이름:is_scalar
분류:가변 처리
사용 언어:php
한 줄 설명:변수가 스칼라인지 확인하십시오.

변수가 스칼라인지 확인하십시오.

 <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">"안녕하세요"</span> <span class="token punctuation">;</span>  
<span class="token keyword">에코</span> <span class="token string double-quoted-string">"a is"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</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 single-quoted-string">&#39;스칼라&#39;</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">&#39;스칼라&#39;</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 number">0</span> <span class="token punctuation">;</span>  
<span class="token keyword">에코</span> <span class="token string double-quoted-string">"B는"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</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 single-quoted-string">&#39;스칼라&#39;</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">&#39;스칼라&#39;</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 number">32</span> <span class="token punctuation">;</span>  
<span class="token keyword">에코</span> <span class="token string double-quoted-string">"C는"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</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 single-quoted-string">&#39;스칼라&#39;</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">&#39;스칼라&#39;</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 constant">null</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 punctuation">(</span> <span class="token function">is_scalar</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 single-quoted-string">&#39;스칼라&#39;</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">&#39;스칼라&#39;</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 keyword">배열</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"빨간색"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"녹색"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"파란색"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>  
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"e is"</span> <span class="token operator">.</span> <span class="token punctuation">(</span> <span class="token function">is_scalar</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 single-quoted-string">&#39;스칼라&#39;</span> <span class="token punctuation">:</span> <span class="token string single-quoted-string">&#39;스칼라&#39;</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>

직접 시도하십시오

유사한 함수
  • 변수가 자원 유형인지 여부를 감지하십시오 is_resource

    is_resource

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  • 변수가 정수인지 감지하십시오 is_int

    is_int

    변수가정수인지감지하십시오
  • 주어진 변수를 자유롭게합니다 unset

    unset

    주어진변수를자유롭게합니다
  • 변수의 내용이 계산 가능한 값인지 확인 is_countable

    is_countable

    변수의내용이계산가능한값인지확인
  • 변수가 객체인지 감지하십시오 is_object

    is_object

    변수가객체인지감지하십시오
  • 변수가 부울인지 감지하십시오 is_bool

    is_bool

    변수가부울인지감지하십시오
  • 이해하기 쉬운 형식으로 변수를 인쇄합니다 print_r

    print_r

    이해하기쉬운형식으로변수를인쇄합니다
  • 변수의 출력 또는 문자열 표현을 반환합니다 var_export

    var_export

    변수의출력또는문자열표현을반환합니다
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