substr_replace

Nom:substr_replace

Catégorie:Chaîne

Langage de programmation:php

Description en une ligne:Remplacez la partie de la chaîne par une autre chaîne.

Exemple

Exemple 1

Remplacez "Hello" par "monde":

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">echo</span> <span class="token function">substr_replace</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"bonjour"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"monde"</span> <span class="token punctuation">,</span> <span class="token number">0</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 2

Remplacer de la 6e position de la chaîne (remplacer "monde" par "Shanghai"):

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">Echo</span> <span class="token function">substr_replace</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello World"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Shanghai"</span> <span class="token punctuation">,</span> <span class="token number">6</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Essayez-le vous-même

Exemple 3

Remplacer de la 5e position à la fin de la chaîne (remplacer "monde" par "shanghai"):

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">Echo</span> <span class="token function">substr_replace</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"Hello World"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"Shanghai"</span> <span class="token punctuation">,</span> <span class="token operator">-</span> <span class="token number">5</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Essayez-le vous-même

Exemple 4

Insérez "Hello" au début du "monde":

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">echo</span> <span class="token function">substr_replace</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"world"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"bonjour"</span> <span class="token punctuation">,</span> <span class="token number">0</span> <span class="token punctuation">,</span> <span class="token number">0</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

Essayez-le vous-même

Exemple 5

Remplacez plusieurs chaînes à la fois. Remplacez "AAA" dans chaque chaîne par "BBB":

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ remplace</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"1: aaa"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"2: aaa"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"3: aaa"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token function">Implode</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">,</span> <span class="token function">substr_replace</span> <span class="token punctuation">(</span> <span class="token variable">$ remplace</span> <span class="token punctuation">,</span> <span class="token string single-quoted-string">&#39;bbb&#39;</span> <span class="token punctuation">,</span> <span class="token number">3</span> <span class="token punctuation">,</span> <span class="token number">3</span> <span class="token punctuation">)</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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