floatval

Nom:floatval

Catégorie:Traitement variable

Langage de programmation:php

Description en une ligne:Renvoie la valeur du point flottant de la variable.

Exemple

Renvoie les valeurs des points flottants de différentes variables:

 <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">"1234.56789"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token function">Floatval</span> <span class="token punctuation">(</span> <span class="token variable">$ a</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ b</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"1234.56789hello"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token function">Floatval</span> <span class="token punctuation">(</span> <span class="token variable">$ b</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>

<span class="token variable">$ c</span> <span class="token operator">=</span> <span class="token string double-quoted-string">"Hello1234.56789"</span> <span class="token punctuation">;</span>
<span class="token keyword">Echo</span> <span class="token function">Floatval</span> <span class="token punctuation">(</span> <span class="token variable">$ C</span> <span class="token punctuation">)</span> <span class="token operator">.</span> <span class="token string double-quoted-string">"<br>"</span> <span class="token punctuation">;</span>
<span class="token delimiter important">?></span></span>

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