count
배열의 단위 수 또는 객체의 속성 수를 계산합니다.
한국어
한국어
<car> 요소의 자식 노드 수를 계산하십시오.
<span class="token php language-php"><span class="token delimiter important"><? php</span>
<span class="token variable">$ xml</span> <span class="token operator">=</span> <span class="token string heredoc-string"><span class="token delimiter symbol"><span class="token punctuation"><<<</span> xml</span>
<카스>
<car name = "Volvo">
<자식/>
<자식/>
<자식/>
<자식/>
</car>
<car name = "bmw">
<자식/>
<자식/>
</car>
</cars>
<span class="token delimiter symbol">XML <span class="token punctuation">;</span></span></span>
<span class="token variable">$ elem</span> <span class="token operator">=</span> <span class="token keyword">New</span> <span class="token class-name">SimplexMlElement</span> <span class="token punctuation">(</span> <span class="token variable">$ xml</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">foreach</span> <span class="token punctuation">(</span> <span class="token variable">$ elem</span> <span class="token keyword">as</span> <span class="token variable">$ car</span> <span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">printf</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">" %는 %d Childs. <br>"</span> <span class="token punctuation">,</span> <span class="token variable">$ car</span> <span class="token punctuation">[</span> <span class="token string single-quoted-string">'name'</span> <span class="token punctuation">]</span> <span class="token punctuation">,</span> <span class="token variable">$ car-</span> <span class="token operator">></span> <span class="token function">count</span> <span class="token punctuation">(</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token delimiter important">?></span></span>
array_intersect_ukey
array_multisort
key
array_intersect_uassoc
array_diff
uasort
array_sum
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