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addcslashes

Échappez les caractères dans une chaîne en utilisant des barres à barres dans le style C
Nom:addcslashes
Catégorie:Chaîne
Langage de programmation:php
Description en une ligne:Renvoie une chaîne qui ajoute une barre oblique inverse avant le caractère spécifié.

Exemple

Exemple 1

Ajoutez une barre arrière avant le personnage "A":

 <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>

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Exemple 2

Ajoutez une barre arrière à un caractère spécifique dans une chaîne:

 <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">"Bienvenue à 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>

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Exemple 3

Ajoutez une barre arrière aux caractères dans une plage dans une chaîne:

 <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">"Bienvenue à 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>

Essayez-le vous-même

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