Title: Add_filter problem,help please!
Last modified: August 19, 2016

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# Add_filter problem,help please!

 *  [darthvan](https://wordpress.org/support/users/darthvan/)
 * (@darthvan)
 * [16 years, 4 months ago](https://wordpress.org/support/topic/add_filter-problemhelp-please/)
 * Hello,I’m begginer in php and wp programing.I want to filter posts,for example,
   just on archive.php page I want to do this,if some post contains word girl,I 
   want that post to set up red background for that post,if not then background 
   will be blue.I know to do this directly from code,to change archive.php but how
   can I do this from plugin.I know basic step how to wrote a plugin.
    Can someone
   help me please.

The topic ‘Add_filter problem,help please!’ is closed to new replies.

## Tags

 * [add_filter](https://wordpress.org/support/topic-tag/add_filter/)

 * In: [Everything else WordPress](https://wordpress.org/support/forum/miscellaneous/)
 * 0 replies
 * 1 participant
 * Last reply from: [darthvan](https://wordpress.org/support/users/darthvan/)
 * Last activity: [16 years, 4 months ago](https://wordpress.org/support/topic/add_filter-problemhelp-please/)
 * Status: not resolved

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