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floor: add examples, say 'truncating' instead of 'rounding down'.
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@64284 c90b9560-bf6c-de11-be94-00142212c4b1
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@ -1,5 +1,5 @@
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.59 $ -->
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<!-- $Revision: 1.60 $ -->
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<reference id="ref.math">
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<title>Mathematical Functions</title>
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<titleabbrev>Math</titleabbrev>
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@ -599,12 +599,21 @@ $binary = base_convert ($hexadecimal, 16, 2);
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</funcprototype>
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</funcsynopsis>
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<simpara>
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Returns the next lowest integer value by rounding down
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Returns the next lowest integer value by truncating
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<parameter>value</parameter> if neccessary.
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The return value of <function>floor</function> is still of type
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<type>float</type> as the value range of <type>float</type> is
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<type>float</type> because the value range of <type>float</type> is
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usually bigger than that of <type>int</type>.
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</simpara>
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<example>
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<title><function>floor</function> examples</title>
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<programlisting role="php">
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<![CDATA[
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$four = floor(4.3); // $four = 4.0;
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$nine = floor(9.999); // $nine = 9.0;
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]]>
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</programlisting>
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</example>
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<simpara>
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See also <function>ceil</function> and
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<function>round</function>.
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