addcslashes
Échappez les caractères dans une chaîne en utilisant des barres à barres dans le style C
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>
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">'M'</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">'H'</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>
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">'a..z'</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">'a..z'</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">'a..g'</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span> <span class="token delimiter important">?></span></span>