현재 위치: > 함수 카테고리 모음> in_array

in_array

배열에 값이 있는지 확인하십시오
이름:in_array
분류:정렬
사용 언어:php
한 줄 설명:지정된 값이 배열에 존재하는지 확인합니다.

예 1

배열에서 "Glenn"값을 검색하고 일부 텍스트를 출력하십시오.

 <span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token variable">$ people</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Bill"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Steve"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Mark"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"David"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token keyword">만약에</span> <span class="token punctuation">(</span><span class="token function"></span></span><mark> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Mark"</span> <span class="token punctuation">,</span> <span class="token variable">$ people</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">))</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Match Found"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">또 다른</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Match Found"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token delimiter important">?></span>

직접 시도하십시오

예 2

모든 매개 변수 사용 :

 <span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token variable">$ people</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Bill"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Steve"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Mark"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"David"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token keyword">만약에</span> <span class="token punctuation">(</span><span class="token function"></span></span><mark> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"23"</span> <span class="token punctuation">,</span> <span class="token variable">$ people</span> <span class="token punctuation">,</span> <span class="token constant boolean">true</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">))</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"매치 발견 <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">또 다른</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"일치하지 않음 <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Mark"</span> <span class="token punctuation">,</span> <span class="token variable">$ people</span> <span class="token punctuation">,</span> <span class="token constant boolean">true</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"매치 발견 <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">또 다른</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"일치하지 않음 <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>

<span class="token keyword">if</span> <span class="token punctuation">(</span> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token number">23</span> <span class="token punctuation">,</span> <span class="token variable">$ people</span> <span class="token punctuation">,</span> <span class="token constant boolean">true</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"매치 발견 <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">또 다른</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"일치하지 않음 <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token delimiter important">?></span>

직접 시도하십시오

유사한 함수
  • 하나의 배열을 키로 사용하고 다른 배열을 값으로 사용하여 배열을 만듭니다. array_combine

    array_combine

    하나의배열을키로사용하고다른배열을값으로
  • 새 배열을 만듭니다 array

    array

    새배열을만듭니다
  • 배열의 차이를 계산합니다 array_diff

    array_diff

    배열의차이를계산합니다
  • 사용자가 제공하는 콜백 함수를 사용하여 배열의 차이 세트를 계산하기 위해 인덱스 점검을 수행하십시오. array_diff_uassoc

    array_diff_uassoc

    사용자가제공하는콜백함수를사용하여배열의
  • 배열의 일부를 제거하고 다른 값으로 바꾸십시오. array_splice

    array_splice

    배열의일부를제거하고다른값으로바꾸십시오
  • 배열의 내부 포인터를 다시 하나로 되돌립니다. prev

    prev

    배열의내부포인터를다시하나로되돌립니다.
  • 배열에서 현재 심볼 테이블로 변수를 가져옵니다 extract

    extract

    배열에서현재심볼테이블로변수를가져옵니다
  • 콜백 함수를 사용하여 데이터를 비교하여 배열 차이 세트를 계산합니다. array_udiff

    array_udiff

    콜백함수를사용하여데이터를비교하여배열차
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