问题描述：

I\'m working on a WordPress site, and I\'m having trouble querying posts that start with a certain letter.

This is what I am trying to accomplish:

Using a simple loop such as:

<?php get_header(); ?>
<h2>Library</h2>
<ul class=\"library-grid\">
<?php
$args = array(
\'post_type\' => \'post\'
);
$post_query = new WP_Query($args);
if($post_query->have_posts() ) {
while($post_query->have_posts() ) {
$post_query->the_post();
?>
<li class=\"library-item\">
<img src=\"<?php the_field(\'poster\') ?>\" alt=\"<?php the_title() ?> poster\" class=\"library-poster\">
<div class=\"library-item-footer-diagonal\"></div>
<div class=\"library-item-footer\">
<h3 class=\"library-title\"><a href=\"<?php the_permalink() ?>\"><?php the_title() ?></h3></a></h3>
<a href=\"<?php the_permalink() ?>\" class=\"more-info-button\">More info</a>
</div>
</li>
<?php
}
}
?>
</ul>
<?php
get_footer();

I get all posts:

How do you think I could edit the loop to get only posts whose title starts with a certain letter?

网友观点：

   if($post_query->have_posts() ) {
while($post_query->have_posts() ) {
$post_query->the_post();
if(get_the_title()[0] != \\\"a\\\") continue; //so it only shows titles starting with lower case a
?>