in_array

Nom:in_array

Catégorie:Tableau

Langage de programmation:php

Description en une ligne:Vérifie si la valeur spécifiée existe dans le tableau.

Exemple

Exemple 1

Recherchez la valeur "Glenn" dans le tableau et sortie du texte:

 <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">si</span> <span class="token punctuation">(</span><span class="token function"></span></span><mark> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Mark"</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 punctuation">{</span>
  <span class="token keyword">écho</span> <span class="token string double-quoted-string">"match trouvé"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">autre</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Match introuvable"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token delimiter important">?></span>

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Exemple 2

Utilisez tous les paramètres:

 <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">si</span> <span class="token punctuation">(</span><span class="token function"></span></span><mark> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"23"</span> <span class="token punctuation">,</span> <span class="token variable">$ les gens</span> <span class="token punctuation">,</span> <span class="token constant boolean">vrai</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"match trouvé <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">autre</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Match non trouvé <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"mark"</span> <span class="token punctuation">,</span> <span class="token variable">$ peuple</span> <span class="token punctuation">,</span> <span class="token constant boolean">vrai</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"match trouvé <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">autre</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Match non trouvé <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>

<span class="token keyword">if</span> <span class="token punctuation">(</span> <span class="token function">in_array</span> <span class="token punctuation">(</span> <span class="token number">23</span> <span class="token punctuation">,</span> <span class="token variable">$ personnes</span> <span class="token punctuation">,</span> <span class="token constant boolean">vrai</span> <span class="token punctuation">)</span> <span class="token punctuation">)</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"match trouvé <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">autre</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Match non trouvé <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token delimiter important">?></span>

Essayez-le vous-même

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