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July 2010 — updated on : June 2010

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The |extraire_balise{tag_name} filter is used to retrieve the first HTML tag with the name "tag_name" found within the the HTML source generated by the tag to which it is applied.

We are syndicating a photo blog site which systematically distributes a small commentary followed by a photograph. This photograph is included as an HTML <img src="... /> type tag. Once we have syndicated the blog on our site, we can choose to only display the photo, without the accompanying commentary using this code: [(#DESCRIPTIF|extraire_balise{img})]

Starting from there, many other possibilities arise:

  • display the URL for the image:
  • display the width of the image:
  • assign a particular styling to the image:
    [(#DESCRIPTIF|extraire_balise{img}|inserer_attribut{style, border: double red 4px})]

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