mirror of
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72 lines
2.2 KiB
XML
72 lines
2.2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision$ -->
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<sect1 id="variable.use.sub.dirs">
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<title>$use_sub_dirs</title>
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<para>
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Smarty will create subdirectories under the
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<link linkend="variable.compile.dir">compiled templates</link> and
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<link linkend="variable.cache.dir">cache</link>
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directories if <parameter>$use_sub_dirs</parameter> is set to &true;,
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default is &false;.
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In an environment where there are potentially tens of thousands of files created,
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this may help the filesystem speed.
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On the other hand, some environments do not allow PHP processes to
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create directories, so this must be disabled which is the default.
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</para>
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<para>
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Sub directories are more efficient, so use them if you can.
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Theoretically you get much better perfomance on a filesystem with 10
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directories each having 100 files, than with 1 directory having 1000
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files. This was certainly the case with Solaris 7 (UFS)... with newer
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filesystems such as ext3 and especially reiserfs, the difference is almost
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nothing.
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</para>
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<note>
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<title>Technical Note</title>
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<itemizedlist>
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<listitem>
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<para><literal>$use_sub_dirs=true</literal> doesn't work with
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<ulink url="&url.php-manual;features.safe-mode">safe_mode=On</ulink>,
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that's why it's switchable and why it's off by default.
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</para>
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</listitem>
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<listitem>
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<para><literal>$use_sub_dirs=true</literal> on Windows can cause problems.</para>
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</listitem>
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<listitem>
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<para>Safe_mode is being deprecated in PHP6.</para>
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</listitem>
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</itemizedlist>
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</note>
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<para>
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See also
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<link linkend="variable.compile.id"><parameter>$compile_id</parameter></link>,
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<link linkend="variable.cache.dir"><parameter>$cache_dir</parameter></link>,
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and
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<link linkend="variable.compile.dir"><parameter>$compile_dir</parameter></link>.
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</para>
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</sect1>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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