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Displays the numeric ID of the current post. This tag must be within The Loop.
Note: This function displays the ID of the post, to return the ID use get_the_ID().
<?php the_ID(); ?>
This tag has no parameters.
<p>Post Number: <?php the_ID(); ?></p>
Provides a unique anchor identifier to each post:
<h3 id="post-<?php the_ID(); ?>"><?php the_title(); ?></h3>
Note: In XHTML, the
id attribute must not start with a digit. Since
the_ID returns the post ID as numerical data, you should include at least one alphabetical character before using it in an
id attribute, as in the example above.
the_ID() is located in