What are some common pitfalls when working with JpGraph in PHP for creating graphs on a webpage?

One common pitfall when working with JpGraph in PHP is not setting the correct permissions for the cache directory where the graphs are stored. This can lead to errors when trying to generate or display the graphs on a webpage. To solve this issue, make sure the cache directory is writable by the web server. 

// Set the cache directory permissions
$cache_dir = '/path/to/cache/directory';
chmod($cache_dir, 0777);

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JpGraph PHP graphs webpage pitfalls

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