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rtrim

Supprimer les caractères d'espace blanc (ou d'autres caractères) à la fin de la chaîne
Nom:rtrim
Catégorie:Chaîne
Langage de programmation:php
Description en une ligne:Supprime les espaces blancs ou d'autres caractères à droite de la chaîne.

Exemple

Exemple 1

Supprimez les caractères du côté droit de la 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">"Hello World!"</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">rtrim</span> <span class="token punctuation">(</span> <span class="token variable">$ str</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"world!"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 2

Retirez l'espace à droite de la 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">"Hello World!"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token string double-quoted-string">"N&#39;utilisez pas Rtrim:"</span> <span class="token operator">.</span> <span class="token variable">$ str</span> <span class="token punctuation">;</span>
<span class="token keyword">écho</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Utiliser Rtrim:"</span> <span class="token operator">.</span> <span class="token function">rtrim</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>

La sortie HTML du code ci-dessus est la suivante (voir le code source):

 <span class="token operator"><</span> <span class="token operator">!</span> <span class="token constant">Doctype</span> html <span class="token operator">></span>
<span class="token operator"><html></span><span class="token operator">​</span>
<span class="token operator"><body></span><span class="token operator">​</span>

N&#39;utilisez pas Rtrim: Hello World <span class="token operator">!</span> <span class="token operator"><br></span> Utilisez Rtrim: Hello <span class="token operator">World</span> <span class="token operator">!</span>
<span class="token operator"></docy></span><span class="token operator">​</span><span class="token operator">​</span>
<span class="token operator"></html></span><span class="token operator">​</span><span class="token operator">​</span>

La sortie du navigateur du code ci-dessus:

 N&#39;utilisez pas Rtrim: Hello World!
Utilisez Rtrim: Hello World!

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Exemple 3

Supprimez le caractère Newline (\ n) à droite de la 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">"Hello World! \ n \ n \ n"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token string double-quoted-string">"N&#39;utilisez pas Rtrim:"</span> <span class="token operator">.</span> <span class="token variable">$ str</span> <span class="token punctuation">;</span>
<span class="token keyword">écho</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token string double-quoted-string">"Utiliser Rtrim:"</span> <span class="token operator">.</span> <span class="token function">rtrim</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>

La sortie HTML du code ci-dessus est la suivante (voir le code source):

 <span class="token operator"><</span> <span class="token operator">!</span> <span class="token constant">Doctype</span> html <span class="token operator">></span>
<span class="token operator"><html></span><span class="token operator">​</span>
<span class="token operator"><body></span><span class="token operator">​</span>

N&#39;utilisez pas Rtrim: Hello World <span class="token operator">!</span>


<span class="token operator"><br></span> Utilisez Rtrim: Hello <span class="token operator">World</span> <span class="token operator">!</span>
<span class="token operator"></docy></span><span class="token operator">​</span><span class="token operator">​</span>
<span class="token operator"></html></span><span class="token operator">​</span><span class="token operator">​</span>

La sortie du navigateur du code ci-dessus:

 N&#39;utilisez pas Rtrim: Hello World!
Utilisez Rtrim: Hello World!

Essayez-le vous-même

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