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Exemple

Exemple 1

Sortie des valeurs de l'élément actuel et de l'élément suivant du tableau, et réinitialisez le pointeur interne du tableau vers le premier élément du tableau:

 <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">Echo</span> <span class="token function">Suivant</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">écho</span><span class="token function"></span></span><mark> <span class="token function">réinitialiser</span> <span class="token punctuation">(</span> <span class="token variable">$ les gens</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

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Exemple 2

Démontrer toutes les méthodes connexes:

 <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">// L&#39;élément actuel est la facture</span>
<span class="token keyword">Echo</span> <span class="token function">Suivant</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">// Le prochain élément de Bill est Steve</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">// L&#39;élément actuel est Steve maintenant</span>
<span class="token keyword">Echo</span> <span class="token function">Prev</span> <span class="token punctuation">(</span> <span class="token variable">$ personnes</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">// L&#39;élément précédent de Steve est Bill</span>
<span class="token keyword">Echo</span> <span class="token function">End</span> <span class="token punctuation">(</span> <span class="token variable">$ les gens</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">// Le dernier élément est David</span>
<span class="token keyword">Echo</span> <span class="token function">Prev</span> <span class="token punctuation">(</span> <span class="token variable">$ personnes</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">// L&#39;élément avant David est Mark</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">// L&#39;élément actuel actuel est Mark</span>
<span class="token keyword">écho</span><span class="token function"></span></span><mark> <span class="token function">réinitialiser</span> <span class="token punctuation">(</span> <span class="token variable">$ les gens</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">// déplace le pointeur interne vers le premier élément du tableau, c&#39;est-à-dire le projet de loi</span>
<span class="token keyword">Echo</span> <span class="token function">Suivant</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">// Le prochain élément de Bill est Steve</span>

<span class="token function">print_r</span> <span class="token punctuation">(</span> <span class="token function">chacun</span> <span class="token punctuation">(</span> <span class="token variable">$ peuple</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token comment">// renvoie le nom de la clé et la valeur clé de l&#39;élément actuel (actuellement Steve) et déplace le pointeur interne vers l&#39;avant</span>
<span class="token delimiter important">?></span>

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