Get Current Child Page with get_children

There are many method to display current child page in WordPress, this function is usefull to do the same command. Just Paste this code in functions.php

Call the function within the template file:

more documentation about get_children.

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How to Check if Meta Value Exist in WordPress Query

On a loop that performs data from custom meta field, to check if the meta key has value or exist, we can use the following query:

The above code can be used in WordPress older than 3.5 but it still usable in the latest version of WP, currently 5.1.

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Featured Image as Previous Next Post Navigation in WordPress

Just add this code to single.php, replace or comment the default function like the_post_navigation, get_previous_post, get_next_post, etc.

Easy!

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