Hi,
I recently experienced problems when creating pdf files from html
content using the CLI. My goal would be to create pdf with a cron job
(within a task) and to test my application. I have found a solution
and I tried to post it to symfony TRAC, but there is no section
dedicated to the plugin. So, I post my message here.
The problem arises when the html contains images. tcpfd-
>openHTMLTagHandler() treats this case at lines 20964-21068. If the
html provides a relative path for the image, the function tries to add
$_SERVER['DOCUMENT_ROOT'], which is not available in CLI.
If the link is a full http path, the function replaces (line 20978)
K_PATH_URL with K_PATH_MAIN. The problem is that K_PATH_MAIN is
realtive to the plugin's root (my_project/plugins/sfTCPdfPlugin), but
my images are in my_project/web/images. So, the replacement won't work
and the image cannot be found by tcpdf.
My suggestion is to add a new K_PATH_URL_IMAGES constant, which
defines the url of the images folder. Then, it is possible to change
line 20978 in tcpdf.php to:
$tag['attribute']['src'] = str_replace(K_PATH_URL_IMAGES,
K_PATH_IMAGES, $tag['attribute']['src']);
This way, one can define the real path to the images folder in the
pdf_configs.yml and use the image_tag() helper with a full path when
putting images in the html.
With this solution I have been able to successfully create pdfs from
the CLI. If the administrator (thanks COil) creates a sfTCPdfPlugin
section in the TRAC, I will post my patch.
Thanks,
Raffaele
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