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addcslashes

Es entgleiten Zeichen in einer Zeichenfolge mit Backslashes im C -Stil
Name:addcslashes
Kategorie:Saite
Programmiersprache:php
Kurzbeschreibung:Gibt eine Zeichenfolge zurück, die vor dem angegebenen Zeichen einen Backslash hinzufügt.

Beispiel

Beispiel 1

Fügen Sie vor dem Charakter "a" einen Backslash hinzu:

 <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">addCSlashes</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"A001 A002 A003"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"a"</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 variable">$ str</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Probieren Sie es selbst aus

Beispiel 2

Fügen Sie einem bestimmten Zeichen in einer Zeichenfolge einen Backslash hinzu:

 <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 string double-quoted-string">"Willkommen in Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token variable">$ str</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$ str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;m&#39;</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$ str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;h&#39;</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 delimiter important">?></span></span>

Probieren Sie es selbst aus

Beispiel 3

Fügen Sie einen Backslash zu Zeichen in einem Bereich in einer Zeichenfolge hinzu:

 <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 string double-quoted-string">"Willkommen in Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token variable">$ str</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$ str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;a..z&#39;</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$ str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;a..z&#39;</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">addcslashes</span> <span class="token punctuation">(</span> <span class="token variable">$ str</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;a..g&#39;</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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