floatval

Name:floatval

Kategorie:Variable Verarbeitung

Programmiersprache:php

Kurzbeschreibung:Gibt den schwimmenden Punktwert der Variablen zurück.

Beispiel

Gibt schwimmende Punktwerte verschiedener Variablen zurück:

 <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>

Probieren Sie es selbst aus

Ähnlich