floor.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.floor" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>floor</refname>
  <refpurpose>Arrondit à l'entier inférieur</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>float</type><methodname>floor</methodname>
   <methodparam><type class="union"><type>int</type><type>float</type></type><parameter>num</parameter></methodparam>
  </methodsynopsis>
  <simpara>
   Retourne la valeur entière suivante la plus basse (en tant que float) en 
   arrondissant la valeur <parameter>num</parameter> si nécessaire.
  </simpara>
 </refsect1>
 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>num</parameter></term>
     <listitem>
      <para>
       La valeur numérique à arrondir
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   <function>floor</function> retourne l'entier inférieur
   du nombre <parameter>num</parameter>.
   La valeur retournée est un nombre à virgule flottante
   (&float;).
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>8.0.0</entry>
      <entry>
       <parameter>num</parameter> n'accepte plus les objets internes qui supporte
       les conversions numériques.
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Exemple avec <function>floor</function></title>
    <programlisting role="php">
<![CDATA[
<?php
echo floor(4.3);   // 4
echo floor(9.999); // 9
echo floor(-3.14); // -4
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>ceil</function></member>
    <member><function>round</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>
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