chr

Name:chr

Kategorie:Saite

Programmiersprache:php

Kurzbeschreibung:Gibt ein Zeichen aus dem angegebenen ASCII -Wert zurück.

Beispiel

Beispiel 1

Rückgabe von Zeichen aus verschiedenen ASCII -Werten:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">Echo</span> <span class="token function">CHR</span> <span class="token punctuation">(</span> <span class="token number">61</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">// Dezimal</span>
<span class="token keyword">Echo</span> <span class="token function">Chr</span> <span class="token punctuation">(</span> <span class="token number">061</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">// Oktalwert</span>
<span class="token keyword">Echo</span> <span class="token function">CHR</span> <span class="token punctuation">(</span> <span class="token number">0x61</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">// Hexadezimalwert</span>
<span class="token delimiter important">?></span></span>

Probieren Sie es selbst aus

Beispiel 2

Verwenden Sie den Oktalwert 046, um das ASCII -Zeichen hinzuzufügen: &.

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ str</span> <span class="token operator">=</span> <span class="token function">chr</span> <span class="token punctuation">(</span> <span class="token number">046</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Du <span class="token interpolation"><span class="token variable">$ str</span></span> mir für immer!"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Probieren Sie es selbst aus

Beispiel 3

Verwenden Sie Dezimalwerte 43 und 61, um ASCII -Zeichen hinzuzufügen: + und =.

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ str</span> <span class="token operator">=</span> <span class="token function">chr</span> <span class="token punctuation">(</span> <span class="token number">43</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token variable">$ str2</span> <span class="token operator">=</span> <span class="token function">chr</span> <span class="token punctuation">(</span> <span class="token number">61</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"2 <span class="token interpolation"><span class="token variable">$ str</span></span> 2 <span class="token interpolation"><span class="token variable">$ str2</span></span> 4"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Probieren Sie es selbst aus

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