현재 위치: 홈> 함수 카테고리 모음> array_intersect_ukey

array_intersect_ukey

콜백 함수를 사용하여 키 이름을 비교하여 배열 교차점을 계산합니다.
이름:array_intersect_ukey
분류:정렬
사용 언어:php
한 줄 설명:배열, 반환 교차로 비교 (키 이름 만 비교하고 사용자 정의 키 이름 비교 함수 사용).

예

예 1

두 배열의 키 이름을 비교하고 (사용자 정의 함수를 사용하여 키 이름을 비교하고) 교차로를 반환하십시오.

 <span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token keyword">함수</span> <span class="token function-definition function">myfunction</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token punctuation">,</span> <span class="token variable">$ b</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 variable">$ a</span> <span class="token operator">===</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">반환</span> <span class="token number">0</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token keyword">반품</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token operator">></span> <span class="token variable">$ b</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token number">1</span> <span class="token punctuation">:</span> <span class="token operator">-1</span> <span class="token punctuation">;</span><span class="token number">​</span>
<span class="token punctuation">}</span>

<span class="token variable">$ a1</span> <span class="token operator">=</span> <span class="token keyword">배열</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"red"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"green"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"c"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blue"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ a2</span> <span class="token operator">=</span> <span class="token keyword">배열</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blue"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"black"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"e"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blue"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token variable">$ result</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">Array_intersect_ukey</span> <span class="token punctuation">(</span> <span class="token variable">$ a1</span> <span class="token punctuation">,</span> <span class="token variable">$ a2</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"myfunction"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token variable">$ result</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

직접 시도하십시오

예 2

3 개의 배열의 키 이름을 비교하고 (사용자 정의 함수를 사용하여 키 이름을 비교하고) 교차로를 반환하십시오.

 <span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token keyword">함수</span> <span class="token function-definition function">myfunction</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token punctuation">,</span> <span class="token variable">$ b</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 variable">$ a</span> <span class="token operator">===</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">반환</span> <span class="token number">0</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token keyword">반품</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token operator">></span> <span class="token variable">$ b</span> <span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token number">1</span> <span class="token punctuation">:</span> <span class="token operator">-1</span> <span class="token punctuation">;</span><span class="token number">​</span>
<span class="token punctuation">}</span>

<span class="token variable">$ a1</span> <span class="token operator">=</span> <span class="token keyword">배열</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"red"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"green"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"c"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"blue"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ a2</span> <span class="token operator">=</span> <span class="token keyword">배열</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"black"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"옐로우"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"d"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"brown"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ a3</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"e"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"purple"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"f"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"white"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"Gold"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token variable">$ result</span> <span class="token operator">=</span><span class="token function"></span></span><mark> <span class="token function">Array_intersect_ukey</span> <span class="token punctuation">(</span> <span class="token variable">$ a1</span> <span class="token punctuation">,</span> <span class="token variable">$ a2</span> <span class="token punctuation">,</span> <span class="token variable">$ a3</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"myfunction"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token variable">$ result</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

직접 시도하십시오

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

    array_combine

    하나의배열을키로사용하고다른배열을값으로
  • 인덱스 검사로 배열 차이 세트를 계산하고 콜백 함수를 사용한 데이터 비교 array_udiff_assoc

    array_udiff_assoc

    인덱스검사로배열차이세트를계산하고콜백함
  • 주어진 값으로 배열을 채우십시오 array_fill

    array_fill

    주어진값으로배열을채우십시오
  • 배열에서 현재 키/값 쌍을 반환하고 배열 포인터를 한 단계로 이동하십시오.이 기능은 PHP 7.2.0 이후로 포기되었습니다. 이 기능을 사용하지 않는 것이 좋습니다. each

    each

    배열에서현재키/값쌍을반환하고배열포인터
  • 콜백 함수를 사용하여 배열에서 유닛을 필터링하십시오 array_filter

    array_filter

    콜백함수를사용하여배열에서유닛을필터링하
  • 인덱스 점검으로 배열의 차이 세트를 계산하고 콜백 함수를 사용하여 데이터와 인덱스를 비교합니다. array_udiff_uassoc

    array_udiff_uassoc

    인덱스점검으로배열의차이세트를계산하고콜
  • 사용자 정의 비교 함수를 사용하여 배열에서 키 이름을 정렬하십시오. uksort

    uksort

    사용자정의비교함수를사용하여배열에서키이
  • 콜백 함수를 사용하여 키 이름을 비교하여 배열 교차점을 계산합니다. array_intersect_ukey

    array_intersect_ukey

    콜백함수를사용하여키이름을비교하여배열교
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