현재 위치: > 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 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

유사한 함수
  • 지정된 요소를 포함하는 범위를 기반으로 배열을 만듭니다 range

    range

    지정된요소를포함하는범위를기반으로배열을
  • 배열의 모든 값을 반환하십시오 array_values

    array_values

    배열의모든값을반환하십시오
  • 지정된 배열의 첫 번째 키의 이름을 얻으십시오. array_key_first

    array_key_first

    지정된배열의첫번째키의이름을얻으십시오.
  • 배열에서 변수 세트에 값 지정 list

    list

    배열에서변수세트에값지정
  • 콜백 함수로 배열을 단일 값으로 반복적으로 단순화합니다. array_reduce

    array_reduce

    콜백함수로배열을단일값으로반복적으로단순
  • 배열에 지정된 키 이름 또는 색인이 있는지 확인하십시오. array_key_exists

    array_key_exists

    배열에지정된키이름또는색인이있는지확인하
  • 키 이름으로 배열을 반대로 정렬하십시오 krsort

    krsort

    키이름으로배열을반대로정렬하십시오
  • 배열의 일부를 제거하고 다른 값으로 바꾸십시오. array_splice

    array_splice

    배열의일부를제거하고다른값으로바꾸십시오