in_array

Name:in_array

Kategorie:Array

Programmiersprache:php

Kurzbeschreibung:Überprüft, ob der angegebene Wert im Array vorhanden ist.

Beispiel

Beispiel 1

Suchen Sie den Wert "Glenn" im Array und geben Sie einen Text aus:

 <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">Wenn</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">Echo</span> <span class="token string double-quoted-string">"Match gefunden"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">anders</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"Match nicht gefunden"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token delimiter important">?></span>

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Beispiel 2

Verwenden Sie alle Parameter:

 <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">Wenn</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">$ people</span> <span class="token punctuation">,</span> <span class="token constant boolean">wahr</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 gefunden <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">anders</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"Match nicht gefunden <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">$ people</span> <span class="token punctuation">,</span> <span class="token constant boolean">true</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 gefunden <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">anders</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"Match nicht gefunden <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">$ people</span> <span class="token punctuation">,</span> <span class="token constant boolean">true</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 gefunden <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token keyword">anders</span>
  <span class="token punctuation">{</span>
  <span class="token keyword">echo</span> <span class="token string double-quoted-string">"Match nicht gefunden <br>"</span> <span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token delimiter important">?></span>

Probieren Sie es selbst aus

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