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배열의 내부 포인터를 다시 하나로 되돌립니다.
한국어
한국어
배열의 현재 요소, 다음 요소 및 이전 요소의 값을 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 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">이전</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>
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">에코</span><span class="token function"></span></span><mark> <span class="token function">이전</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">// 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">에코</span><span class="token function"></span><mark> <span class="token function">이전</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">// 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 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>
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key_exists
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array_multisort
array_intersect_assoc
