extract

Exemple

Exemple 1

Attribuer des valeurs clés "chat", "chien" et "cheval" aux variables $ a, $ b et $ c:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ a</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"original"</span> <span class="token punctuation">;</span>
<span class="token variable">$ my_array</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"cat"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"dog"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"c"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"cheval"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token function"></span></span><mark><span class="token function">Extrait</span> <span class="token punctuation">(</span> <span class="token variable">$ my_array</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>
<span class="token keyword">echo</span> <span class="token string double-quoted-string">"\ $ a = <span class="token interpolation"><span class="token variable">$ a</span></span> ; \ $ b = <span class="token interpolation"><span class="token variable">$ b</span></span> ; \ $ c = <span class="token interpolation"><span class="token variable">$ c</span></span> "</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

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Exemple 2

Utilisez tous les paramètres:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ a</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"original"</span> <span class="token punctuation">;</span>
<span class="token variable">$ my_array</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"a"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"cat"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"b"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"dog"</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"c"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"cheval"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>

<span class="token function"></span></span><mark><span class="token function">Extrait</span> <span class="token punctuation">(</span> <span class="token variable">$ my_array</span> <span class="token punctuation">,</span> <span class="token constant">extr_prefix_same</span> <span class="token punctuation">,</span> <span class="token string double-quoted-string">"dup"</span> <span class="token punctuation">)</span></mark><span class="token punctuation"></span> <span class="token punctuation">;</span>

<span class="token keyword">echo</span> <span class="token string double-quoted-string">"\ $ a = <span class="token interpolation"><span class="token variable">$ a</span></span> ; \ $ b = <span class="token interpolation"><span class="token variable">$ b</span></span> ; \ $ c = <span class="token interpolation"><span class="token variable">$ c</span></span> ; \ $ dup_a = <span class="token interpolation"><span class="token variable">$ dup_a</span></span> "</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span>

Essayez-le vous-même