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trim

Supprimer des espaces (ou d'autres caractères) du début et de la fin de la chaîne
Nom:trim
Catégorie:Chaîne
Langage de programmation:php
Description en une ligne:Supprime les caractères de l'espace blanc et d'autres caractères des deux côtés de la chaîne.

Exemple

Exemple 1

Retirez les caractères des deux côtés de la chaîne ("il" dans "Hello" et "D!" Dans "World"):

 <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">Trim</span> <span class="token punctuation">(</span> <span class="token variable">$ str</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Hed!"</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 les espaces des deux côtés 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 de garniture:"</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 la garniture:"</span> <span class="token operator">.</span> <span class="token function">Trim</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 (veuillez vérifier 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 de garniture <span class="token punctuation">:</span> bonjour le monde <span class="token operator">!</span> <span class="token operator"><br></span> Utilisez des garnitures <span class="token punctuation">:</span> bonjour le <span class="token operator">monde</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 est la suivante:

 N&#39;utilisez pas de garniture: bonjour le monde!
Utilisez des garnitures: Bonjour World!

Essayez-le vous-même

Exemple 3

Retirez le caractère Newline (\ n) des deux côtés 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">"\ n \ n \ n \ nhello 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 de garniture:"</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 la garniture:"</span> <span class="token operator">.</span> <span class="token function">Trim</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 (veuillez vérifier 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 de garniture <span class="token punctuation">:</span>


Bonjour le monde <span class="token operator">!</span>


<span class="token operator"><br></span> Utilisez des garnitures <span class="token punctuation">:</span> bonjour le <span class="token operator">monde</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 est la suivante:

 N&#39;utilisez pas de garniture: bonjour le monde!
Utilisez des garnitures: Bonjour World!

Essayez-le vous-même

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