현재 위치: > 함수 카테고리 모음> reset

reset

배열의 내부 포인터를 첫 번째 장치로 가리 킵니다.
이름:reset
분류:정렬
사용 언어:php
한 줄 설명:배열의 내부 포인터를 첫 번째 요소로 가리 킵니다.

예 1

배열에서 현재 요소의 값과 다음 요소를 출력하고 배열의 내부 포인터를 배열의 첫 번째 요소로 재설정합니다.

 <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 function">다음에</span> <span class="token keyword">Echo</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">재설정</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 function">다음에</span> <span class="token keyword">Echo</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">// 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"></span></span><mark> <span class="token function">재설정</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">// 내부 포인터를 배열의 첫 번째 요소, 즉 청구서로 이동</span>
<span class="token function">다음에</span> <span class="token keyword">Echo</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">// 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
  • 콜백 함수를 사용하여 키 이름을 비교하여 배열 교차점을 계산합니다. array_intersect_ukey

    array_intersect_ukey

    콜백함수를사용하여키이름을비교하여배열교
  • 콜백 함수를 사용하여 배열에서 유닛을 필터링하십시오 array_filter

    array_filter

    콜백함수를사용하여배열에서유닛을필터링하
  • 정렬 배열 sort

    sort

    정렬배열
  • 계산 별명 sizeof

    sizeof

    계산별명
  • 연관 배열에서 키 이름을 얻습니다 key

    key

    연관배열에서키이름을얻습니다
  • 인덱스 점검과 배열의 교차점을 계산하십시오 array_intersect_assoc

    array_intersect_assoc

    인덱스점검과배열의교차점을계산하십시오
  • 하나 이상의 배열을 병합합니다 array_merge

    array_merge

    하나이상의배열을병합합니다
  • array_key_exists의 별칭 key_exists

    key_exists

    array_key_exists의별칭