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round() mode parameter
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@273644 c90b9560-bf6c-de11-be94-00142212c4b1
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2 changed files with 57 additions and 2 deletions
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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: 1.5 $ -->
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<!-- $Revision: 1.6 $ -->
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<appendix xml:id="math.constants" xmlns="http://docbook.org/ns/docbook">
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&reftitle.constants;
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&extension.constants.core;
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@ -100,6 +100,26 @@
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<entry>0.57721566490153286061</entry>
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<entry>Euler constant [5.2.0]</entry>
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</row>
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<row>
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<entry>PHP_ROUND_HALF_UP</entry>
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<entry>1</entry>
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<entry>Round halves up [5.3.0]</entry>
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</row>
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<row>
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<entry>PHP_ROUND_HALF_DOWN</entry>
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<entry>2</entry>
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<entry>Round halves down [5.3.0]</entry>
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</row>
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<row>
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<entry>PHP_ROUND_HALF_EVEN</entry>
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<entry>3</entry>
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<entry>Round halves to even numbers [5.3.0]</entry>
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</row>
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<row>
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<entry>PHP_ROUND_HALF_ODD</entry>
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<entry>4</entry>
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<entry>Round halves to odd numbers [5.3.0]</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.13 $ -->
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<!-- $Revision: 1.14 $ -->
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<refentry xml:id="function.round" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>round</refname>
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@ -11,6 +11,7 @@
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<type>float</type><methodname>round</methodname>
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<methodparam><type>float</type><parameter>val</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>precision</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>mode</parameter><initializer>PHP_ROUND_HALF_UP</initializer></methodparam>
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</methodsynopsis>
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<para>
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Returns the rounded value of <parameter>val</parameter> to
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@ -72,6 +73,17 @@
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>mode</parameter></term>
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<listitem>
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<para>
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One of <constant>PHP_ROUND_HALF_UP</constant>,
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<constant>PHP_ROUND_HALF_DOWN</constant>,
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<constant>PHP_ROUND_HALF_EVEN</constant>, or
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<constant>PHP_ROUND_HALF_ODD</constant>.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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@ -103,6 +115,29 @@ echo round(5.055, 2); // 5.06
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</example>
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>5.3.0</entry>
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<entry>
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The <parameter>mode</parameter> parameter was introduced.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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