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count

Calculez le nombre d'unités dans un tableau ou le nombre d'attributs dans un objet
Nom:count
Catégorie:Tableau
Langage de programmation:php
Description en une ligne:Calcule le nombre de nœuds enfants du nœud spécifié.

Exemple

Calculez le nombre de nœuds enfants de l'élément <CAR>:

 <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>
  <Cars>
    <car name = "Volvo">
    <enfant />
    <enfant />
    <enfant />
    <enfant />
  </car>
  <car name = "bmw">
    <enfant />
    <enfant />
  </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">"% s a% d enfants. <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">&#39;name&#39;</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>

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