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  28  <H2><A NAME="3_5">3.5 Detailed steps to install JpGraph</A></H2>
  29  <P></P>
  30  <OL>
  31  <LI>If You are insatlling the 1.x branch then make sure the PHP version
  32   used is at least 4.3.x (preferable 4.3.10 or higher) and that the PHP
  33   version have compiled support for GD library. It is absolutely critical
  34   that GD is fully working. Please see the earlier sections on how to
  35   make sure. JpGraph supports both GD 1.x and GD 2.x However it is
  36   strongly recommended to use GD 2.x since that will improve performance
  37   and support true color images as well as alphablending.
  38  <P> If You are insatlling the 2.x branch then make sure the PHP version
  39   used is at least 5.0.1 (preferable 5.0.5 or higher) and that the PHP
  40   version have compiled support for GD 2.x library. Please note that the
  41   2.x branch will<B> not</B> work with PHP 4.x</P>
  42  </LI>
  43  <LI>Unzip and copy the files to a directory of your choice.</LI>
  44  <LI>Set up the directory paths in<I> jpg-config.inc.php</I> where the
  45   cache directory should be and where your TTF directory is. Note that
  46   Apache/PHP must have write permission in your cache directory.</LI>
  47  <LI> Check that all rest of the DEFINE in the top of JpGraph.php is
  48   setup to your preference. The default should be fine for most users.
  49   (See also Note 5. below) Specifically check that the settings of
  50   USE_GD2_LIBRARY reflects your installation, (should be true if you have
  51   GD2 installed, false otherwise).</LI>
  52  <LI>Make sure PHP have write privileges to your cache directory if you
  53   plan on using the cache feature.</LI>
  54  <LI> Some windows installations seems to have a problem with a PHP
  55   script ending in a newline (This newline seems to be sent to the
  56   browser and will cause a Header already sent error). If you have this
  57   problem try remove all trailing newlines in the jpgraph* files</LI>
  58  <LI> Read (really!) <A href="http://www.aditus.nu/jpgraph/jpgraphfaq.html">
  59  the JpGraph FAQ</A>.</LI>
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