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next

배열의 내부 포인터를 하나씩 움직입니다.
이름:next
분류:정렬
사용 언어:php
한 줄 설명:배열의 내부 포인터를 하나씩 움직입니다.

예 1

배열에서 현재 요소의 값과 다음 요소를 출력합니다.

 <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">Echo</span> <span class="token function">Current</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 function"></span></span><mark> <span class="token function">다음</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 delimiter important">?></span>

직접 시도하십시오

예 2

모든 관련 방법을 보여줍니다.

 <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">Echo</span> <span class="token function">Current</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 comment">// 현재 요소는 Bill입니다</span>
<span class="token keyword">에코</span><span class="token function"></span></span><mark> <span class="token function">다음</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 operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span> <span class="token comment">// Bill의 다음 요소는 Steve입니다</span>
<span class="token keyword">Echo</span> <span class="token function">Current</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 comment">// 현재 요소는 이제 Steve입니다</span>
<span class="token keyword">Echo</span> <span class="token function">이전</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 comment">// Steve의 이전 요소는 Bill입니다</span>
<span class="token keyword">에코</span> <span class="token function">엔드</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 comment">// 마지막 요소는 David입니다</span>
<span class="token keyword">Echo</span> <span class="token function">이전</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 comment">// 다윗 이전의 요소는 마크입니다</span>
<span class="token keyword">Echo</span> <span class="token function">Current</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 comment">// 현재 요소는 마크입니다</span>
<span class="token keyword">에코</span> <span class="token function">리셋</span> <span class="token punctuation">(</span> <span class="token variable">$ people</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 comment">// 내부 포인터를 배열의 첫 번째 요소, 즉 청구서로 이동</span>
<span class="token keyword">에코</span><span class="token function"></span><mark> <span class="token function">다음</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 operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span> <span class="token comment">// Bill의 다음 요소는 Steve입니다</span>

<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token function">각</span> <span class="token punctuation">(</span> <span class="token variable">$ people</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// 현재 요소 (현재 Steve)의 키 이름과 키 값을 반환하고 내부 포인터를 앞으로 이동합니다.</span>
<span class="token delimiter important">?></span>

직접 시도하십시오

유사한 함수
  • 현재에 대한 별칭 pos

    pos

    현재에대한별칭
  • 배열에서 변수 세트에 값 지정 list

    list

    배열에서변수세트에값지정
  • 지정된 길이로 값을 배열로 채우십시오. array_pad

    array_pad

    지정된길이로값을배열로채우십시오.
  • 콜백 함수로 배열을 단일 값으로 반복적으로 단순화합니다. array_reduce

    array_reduce

    콜백함수로배열을단일값으로반복적으로단순
  • 키 이름별로 정렬 ksort

    ksort

    키이름별로정렬
  • 배열의 값 수를 계산하십시오 array_count_values

    array_count_values

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

    uksort

    사용자정의비교함수를사용하여배열에서키이
  • 입력 배열에서 단일 열의 값을 반환합니다. array_column

    array_column

    입력배열에서단일열의값을반환합니다.
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