jeroen Sat Sep 1 10:54:09 2001 EDT
Modified files:
/phpdoc/en/functions math.xml
Log:
Implemented user-notes to round()
Index: phpdoc/en/functions/math.xml
diff -u phpdoc/en/functions/math.xml:1.50 phpdoc/en/functions/math.xml:1.51
--- phpdoc/en/functions/math.xml:1.50 Sun Aug 19 07:47:37 2001
+++ phpdoc/en/functions/math.xml Sat Sep 1 10:54:08 2001
@@ -1,5 +1,5 @@
<?xml encoding="iso-8859-1"?>
-<!-- $Revision: 1.50 $ -->
+<!-- $Revision: 1.51 $ -->
<reference id="ref.math">
<title>Mathematical Functions</title>
<titleabbrev>Math</titleabbrev>
@@ -1126,13 +1126,28 @@
Returns the rounded value of <parameter>val</parameter> to
specified <parameter>precision</parameter>
(number of digits after the decimal point).
+ <parameter>precision</parameter> can also be negative or zero (default).
+ </para>
+ <para>
+ <caution>
+ <simpara>
+ PHP doesn't handle strings like <literal>"12,300.2"</literal> correctly
+ by default. See <link linkend="language.types.string.conversion"
+ >converting from strings</link>.
+ </simpara>
+ </caution>
+ </para>
+ <para>
<informalexample>
<programlisting role="php">
-$foo = round (3.4); // $foo == 3.0
-$foo = round (3.5); // $foo == 4.0
-$foo = round (3.6); // $foo == 4.0
+$foo = round(3.4); // $foo == 3.0
+$foo = round(3.5); // $foo == 4.0
+$foo = round(3.6); // $foo == 4.0
+$foo = round(3.6, 0); // equivalent with above
+
+$foo = round(1.95583, 2); // $foo == 1.96
-$foo = round (1.95583, 2); // $foo == 1.96
+$foo = round(1241757, -3); // $foo == 1242000
</programlisting>
</informalexample>
</para>
@@ -1262,5 +1277,7 @@
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
-vim: ts=1 sw=1 et syntax=sgml
+vim600: syn=xml
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
-->
