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How can I force WP to always check the child theme folder first when running get_template_part?

Example: child theme loads get_template_part('content', 'inventory') in single.php. Because all child themes (and there are a lot) share the same common inventory template base, the file content-inventory.php is in the parent theme. So far so good.

I would like to add a small section to said inventory template that will be unique to each child theme. Adding get_template_part('content', 'inventory-special') into content-inventory.php will not check the child theme directory first.

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To the two of you who down-voted my answer and did not comment as to why, thanks for nothing. How is someone suppose to improve themselves with negative criticism? –  mattrepublic Jun 19 '11 at 20:24

2 Answers 2

up vote 1 down vote accepted

It does, by default. The get_template_part() function uses locate_template() which cascades through the template files in in order of specificity and stylesheetpath/templatepath.

So, if your Child Theme includes a content-inventory.php, then get_template_part() will include it; if not, then it will look for content-inventory.php in the parent Theme. If it doesn't find it, it will then look for content.php first in the child, then in the parent.

EDIT:

Taking a stab at understanding what you mean; please clarify if I'm misunderstanding...

You want to include a new template part file within a Parent-Theme template file called content-inventory.php, right?

The only way, AFAIK, that you can do that is to copy content-inventory.php into your Child Theme, and then add the new get_template_part() call where needed.

If a file named content-inventory.php is included in both the Parent and the Child Theme, then WordPress will always use the Child Theme version, if included using get_template_part().

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@Kaiser, @Chip Bennett: WP will obviously check the parent theme for content-inventory.php. The Codex and simple experience makes that clear. However if the file being sought (level 2) is in the parent theme folder, WP does not recheck the child theme for a get_template_part contained within the file being sought (a third-tier include). Has this worked differently for you? –  mattrepublic Jun 19 '11 at 20:17
    
I don't understand your question/problem. For any given template file name, WordPress always checks the Child Theme first. Can you explain what you mean by second- and third-tier files? –  Chip Bennett Jun 19 '11 at 20:37

get_template_part() does this per default.

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