A generator function that makes working with the WordPress loop a dream.
When will this land in WordPress core?
At the moment, that is unclear. However, you can follow the progress of this trac ticket.
- Run
composer require wp-forge/wp-loop - Make sure you require the
vendor/autoload.phpfile in your project.
Here are a few examples of how to use the wp_loop() function:
<?php
foreach ( wp_loop() as $post ) {
?>
<article>
<h1><?php the_title(); ?></h1>
<div><?php the_content(); ?></div>
</article>
<?php
}<?php
$query = new WP_Query( [ 'post_type' => 'post' ] );
foreach ( wp_loop( $query ) as $post ) {
?>
<article>
<h1><?php the_title(); ?></h1>
<div><?php the_content(); ?></div>
</article>
<?php
}There is no need to run wp_reset_postdata() after the loop. It is taken care of automatically, even if you break out of the loop early!
<?php
$query = new WP_Query( [ 'post_type' => 'post' ] );
$posts = $query->posts;
foreach ( wp_loop( $posts ) as $post ) {
?>
<article>
<h1><?php the_title(); ?></h1>
<div><?php the_content(); ?></div>
</article>
<?php
}<?php
$query = new WP_Query( [
'post_type' => 'post',
'fields' => 'ids',
] );
$post_ids = $query->posts;
foreach ( wp_loop( $post_ids ) as $post ) {
?>
<article>
<h1><?php the_title(); ?></h1>
<div><?php the_content(); ?></div>
</article>
<?php
}<?php
$query = new WP_Query( [ 'post_type' => 'post' ] );
$iterator = new ArrayIterator( $query->posts );
foreach ( wp_loop( $iterator ) as $post ) {
?>
<article>
<h1><?php the_title(); ?></h1>
<div><?php the_content(); ?></div>
</article>
<?php
}The wp_loop() function is meant to be used in a foreach loop. If you need to check if there are results before looping, you can do that the way you normally would.
For example:
<?php
if( have_posts() ) {
// For global query approach
}
if( $query->have_posts() ) {
// For custom query approach
}
if( ! empty( $posts ) ) {
// For post or post ID approach
}
if( $iterator->valid() ) {
// For iterator approach
}The wp_loop() function goes one step further than the standard WordPress loop does and automatically sets and restores the global $post object for each iteration.
For more details, read this blog post on Creating a Better WordPress Loop. The current implementation is a bit different, but the reasoning is laid out quite well.
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