print

Nom:print

Catégorie:Chaîne

Langage de programmation:php

Description en une ligne:Sortir une ou plusieurs cordes.

Exemple

Exemple 1

Écrivez du texte à la sortie:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">Impression</span> <span class="token string double-quoted-string">"J&#39;adore Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 2

Sortie la valeur de la variable de chaîne ($ str):

 <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">"J&#39;adore Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token keyword">imprimer</span> <span class="token variable">$ str</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 3

Sortie de la valeur de la variable de chaîne ($ STR), contenant des balises HTML:

 <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">"J&#39;adore Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token keyword">imprimer</span> <span class="token variable">$ str</span> <span class="token punctuation">;</span>
<span class="token keyword">Imprimer</span> <span class="token string double-quoted-string">"<br> Quelle belle journée!"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 4

Concaténer deux variables de chaîne:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ str1</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"J&#39;adore Shanghai!"</span> <span class="token punctuation">;</span>
<span class="token variable">$ str2</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Quelle belle journée!"</span> <span class="token punctuation">;</span>
<span class="token keyword">Imprimez</span> <span class="token variable">$ str1</span> <span class="token operator">.</span> <span class="token string double-quoted-string">""</span> <span class="token operator">.</span> <span class="token variable">$ str2</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 5

Valeur du tableau de sortie:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ age</span> <span class="token operator">=</span> <span class="token keyword">array</span> <span class="token punctuation">(</span> <span class="token string double-quoted-string">"bill"</span> <span class="token operator">=></span> <span class="token string double-quoted-string">"60"</span> <span class="token punctuation">)</span> <span class="token punctuation">;</span>
<span class="token keyword">Imprimez</span> <span class="token string double-quoted-string">"Bill Gates est"</span> <span class="token operator">.</span> <span class="token variable">$ Age</span> <span class="token punctuation">[</span> <span class="token string single-quoted-string">&#39;Bill&#39;</span> <span class="token punctuation">]</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"ans."</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 6

Texte de sortie:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token keyword">Imprimez</span> <span class="token string double-quoted-string">"Ce texte
s&#39;étend multiple
lignes. "</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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Exemple 7

La différence entre les citations simples et les citations doubles. Les devis uniques publieront le nom de la variable, pas la valeur:

 <span class="token php language-php"><span class="token delimiter important"><? Php</span>
<span class="token variable">$ color</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"red"</span> <span class="token punctuation">;</span>
<span class="token keyword">Imprimer</span> <span class="token string double-quoted-string">"Les roses sont <span class="token interpolation"><span class="token variable">$ couleur</span></span> "</span> <span class="token punctuation">;</span>
<span class="token keyword">imprimer</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
Les «roses <span class="token keyword">imprimées</span> <span class="token string single-quoted-string">sont $ couleurs»</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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