display child category name and link to cat page

  • Resolved trixienolix

    (@trixienolix)


    14 years, 5 months ago

    hi
    i have a site with say 3 categories, two are children of the other
    e.g.
    fruit (id 3)
    — apples (id 4)
    — pears (id 6)

    For all posts within the category “apples” I want to display the word “apples” and a link to that category page.

    I need some code that says something like “for parent category 3 display the name of it’s children and the relevant link”.

    I’ve looked at various functions but none seem to do this? Maybe the nearest is “get_the_category” but I’m unsure how to code it exactly.

    Any help gratefully received

Viewing 6 replies - 1 through 6 (of 6 total)
  • Thread Starter trixienolix

    (@trixienolix)

    14 years, 5 months ago

    ok i’ve found this thread http://wordpress.org/support/topic/140469?replies=29 and this code ALMOST does what I want:

    <?php
/*

*/
//exclude these from displaying
$exclude = array("Project", "London", "News");

//set up an empty categorystring
$catagorystring = '';

//loop through the categories for this post
foreach((get_the_category()) as $category)
{
	//if not in the exclude array
	if (!in_array($category->cat_name, $exclude))
	{
		//add category with link to categorystring
		$catagorystring .= '<a href="'.get_bloginfo(url).get_option('category_base').'/'.$category->slug.'">'.$category->name.'</a>, ';
	}
}

//strip off last comma (and space) and display
echo substr($catagorystring, 0, strrpos($catagorystring, ','));

?>

    All i need is for the $exclude to be an $include and for the code to say something like “include child of fruit” rather than excluding specific categories.

    Can anyone help?

    phatcheesefish

    (@phatcheesefish)

    14 years, 5 months ago

    Here you go – does exactly what you want

    //set up an empty categorystring
$catagorystring = '';

// get all categories
foreach(get_the_category() as $category) {
	// if category parent is 3 (fruit) then add this category to the string
	if ($category->category_parent == 3) {
		$catagorystring .= '<a href="'.get_bloginfo('url') . "/category" . '/' . $category->slug . '">' . $category->name . '</a>, ';
	}
}

//strip off last comma (and space)
echo substr($catagorystring, 0, strrpos($catagorystring, ','));

    Pru

    (@pru)

    14 years, 3 months ago

    In terms of simply spitting back the name of a child category, would you say your code is more efficient than the code I found over here?

    http://wordpress.org/support/topic/284057?replies=12

    <?php
foreach((get_the_category()) as $childcat) {
if (cat_is_ancestor_of(7, $childcat)) {
echo $childcat->cat_name;
}}
?>
    Thread Starter trixienolix

    (@trixienolix)

    14 years, 2 months ago

    hi pru i just found that article too.

    The full code to make it a link is this:

    <?php
foreach((get_the_category()) as $childcat) {
if (cat_is_ancestor_of(20, $childcat)) {
echo '<a href="'.get_category_link($childcat->cat_ID).'">';
 echo $childcat->cat_name . '</a>';
}}
?>
    lolwiki

    (@lolwiki)

    14 years, 1 month ago

    Hi I am looking for a plugin that will allow special formatting of the posts on category view. For example here you see the posts have special formatting, but when you actually read the individual posts the format is different: like this.
    How can I achieve this using a plugin?

    likoma

    (@likoma)

    13 years, 6 months ago

    trixienolix: thank you! Exactly what I was looking for!

Viewing 6 replies - 1 through 6 (of 6 total)
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