ACF custom query not working

Use Case: When working with Advanced Custom Fields (ACF) in WordPress, you may encounter situations where the default query does not meet your requirements. In such cases, you can create a custom query using ACF and WordPress functions to retrieve and display specific data from your custom fields.

To create a custom query with ACF, you can use the WP_Query class provided by WordPress. This class allows you to construct custom queries with various parameters and retrieve the desired data.

Here’s an example of how you can create a custom query using ACF and WP_Query:

<?php
$args = array(
    'post_type' => 'your_post_type',
    'meta_query' => array(
        array(
            'key' => 'your_acf_field_name',
            'value' => 'your_acf_field_value',
            'compare' => '='
        )
    )
);

$custom_query = new WP_Query( $args );

if ( $custom_query->have_posts() ) {
    while ( $custom_query->have_posts() ) {
        $custom_query->the_post();
        // Display your custom field data or other post content
    }
    wp_reset_postdata();
} else {
    // No posts found
}
?>

In this example, we create a custom query to retrieve posts of a specific post type (your_post_type) that have a specific value (your_acf_field_value) in a custom field (your_acf_field_name). You can modify these values according to your needs.

The WP_Query class accepts an array of arguments ($args) to customize the query. In this case, we use the post_type parameter to specify the post type, and the meta_query parameter to define the custom field conditions.

Inside the loop, you can access and display the custom field data or any other post content using appropriate WordPress template tags or ACF functions.

Remember to call wp_reset_postdata() after the loop to restore the global post data.

This custom query can be useful when you want to retrieve and display specific posts based on the values stored in your ACF custom fields.

Examples

Example 1: Custom Query with ACF Field

This example demonstrates how to use the Advanced Custom Fields (ACF) plugin to create a custom query that fetches posts based on a specific ACF field value.

$args = array(
    'post_type' => 'post',
    'meta_query' => array(
        array(
            'key' => 'custom_field_name',
            'value' => 'custom_field_value',
            'compare' => '=',
        ),
    ),
);

$query = new WP_Query( $args );

if ( $query->have_posts() ) {
    while ( $query->have_posts() ) {
        $query->the_post();
        // Display post content here
    }
    wp_reset_postdata();
} else {
    // No posts found
}

In this code example, we create a custom query using the WP_Query class. The meta_query parameter is used to specify the ACF field name, value, and comparison operator. The loop then iterates through the query results and displays the post content. Finally, we reset the post data using wp_reset_postdata().

Example 2: Custom Query with Multiple ACF Fields

This example demonstrates how to use multiple ACF fields in a custom query to fetch posts that match specific values for each field.

$args = array(
    'post_type' => 'post',
    'meta_query' => array(
        'relation' => 'AND',
        array(
            'key' => 'custom_field_name_1',
            'value' => 'custom_field_value_1',
            'compare' => '=',
        ),
        array(
            'key' => 'custom_field_name_2',
            'value' => 'custom_field_value_2',
            'compare' => '=',
        ),
    ),
);

$query = new WP_Query( $args );

if ( $query->have_posts() ) {
    while ( $query->have_posts() ) {
        $query->the_post();
        // Display post content here
    }
    wp_reset_postdata();
} else {
    // No posts found
}

In this code example, we extend the previous example to include multiple ACF fields in the meta_query parameter. The relation parameter is set to 'AND' to ensure that all conditions are met. The loop and post data reset remain the same.

Example 3: Custom Query with ACF Field and Taxonomy

This example demonstrates how to combine an ACF field query with a taxonomy query to fetch posts that match both criteria.

$args = array(
    'post_type' => 'post',
    'meta_query' => array(
        array(
            'key' => 'custom_field_name',
            'value' => 'custom_field_value',
            'compare' => '=',
        ),
    ),
    'tax_query' => array(
        array(
            'taxonomy' => 'category',
            'field' => 'slug',
            'terms' => 'category_slug',
        ),
    ),
);

$query = new WP_Query( $args );

if ( $query->have_posts() ) {
    while ( $query->have_posts() ) {
        $query->the_post();
        // Display post content here
    }
    wp_reset_postdata();
} else {
    // No posts found
}

In this code example, we add a tax_query parameter to the query arguments to include a taxonomy query. The taxonomy parameter specifies the taxonomy name, field specifies the field to match against (in this case, the slug), and terms specifies the term value to match. The loop and post data reset remain the same.