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<HR NOSHADE>
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<H2><A NAME="3_1">3.1 Preparation</A></H2>
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<P> In order to make use of the library it is necessary to ensure that
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the script files can correctly access the library include files (as
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described below) and that the PHP installation supports at least one
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graphic format, i.e. it supports the "image" extension in PHP.</P>
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<P> This is easiest verified by either checking the output of the<I>
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phpinfo()</I> standard PHP function or by making sure the PHP
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installation make the 'imagecreate()' function available.</P>
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<P> This means that the installation
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<!--string-->
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must have a working GD-library together with PHP before the library
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JpGraph can be used. Please make sure you have version 4.3.x or above
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of PHP since JpGraph is<STRONG> not</STRONG> actively tested with
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versions prior to PHP 4.3.x Ideally you should use at least PHP 4.3.8</P>
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<P> Please note that the 1.x version of the library do<B> not</B>
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support PHP 5.x</P>
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