smarty/docs/en/designers/language-modifiers/language-modifier-string-format.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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 <sect1 id="language.modifier.string.format">
  <title>string_format</title>
  <informaltable frame="all">
   <tgroup cols="5">
    <colspec colname="param" align="center" />
    <colspec colname="type" align="center" />
    <colspec colname="required" align="center" />
    <colspec colname="default" align="center" />
    <colspec colname="desc"/>
    <thead>
     <row>
      <entry>Parameter Position</entry>
      <entry>Type</entry>
      <entry>Required</entry>
      <entry>Default</entry>
      <entry>Description</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>1</entry>
      <entry>string</entry>
      <entry>Yes</entry>
      <entry><emphasis>n/a</emphasis></entry>
      <entry>This is what format to use. (sprintf)</entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
  <para>
   This is a way to format strings, such as decimal numbers and such.
   Use the syntax for <ulink url="&url.php-manual;sprintf">sprintf()</ulink>
   for the formatting.
  </para>
  <example>
   <title>string_format</title>
   <programlisting role="php">
<![CDATA[
<?php

$smarty->assign('number', 23.5787446);

?>
]]>
   </programlisting>
   <para>
    Where template is:
   </para>
   <programlisting>
<![CDATA[
{$number}
{$number|string_format:"%.2f"}
{$number|string_format:"%d"}
]]>
   </programlisting>
   <para>
    This should output:
   </para>
   <screen>
<![CDATA[
23.5787446
23.58
24
]]>
   </screen>
  </example>
  <para>
   See also <link linkend="language.modifier.date.format">date_format</link>.
  </para>
 </sect1>

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