The get_field_objects()
function in Advanced Custom Fields (ACF) is used to retrieve the details of all fields within a specific ACF group. It returns an associative array containing information about each field, such as the field name, label, type, and other settings.
This function can be useful in various scenarios, such as when you need to dynamically generate a form based on the fields defined in an ACF group, or when you want to programmatically access and manipulate the values of ACF fields.
Here’s an example code snippet that demonstrates the usage of get_field_objects()
:
$fields = get_field_objects( $group_id );
if ( $fields ) {
foreach ( $fields as $field_name => $field ) {
echo '<h3>' . $field['label'] . '</h3>';
echo '<p>' . $field['instructions'] . '</p>';
// Display field value based on field type
switch ( $field['type'] ) {
case 'text':
case 'textarea':
echo '<input type="text" name="' . $field_name . '" value="' . $field['value'] . '">';
break;
case 'select':
echo '<select name="' . $field_name . '">';
foreach ( $field['choices'] as $value => $label ) {
echo '<option value="' . $value . '"' . selected( $value, $field['value'], false ) . '>' . $label . '</option>';
}
echo '</select>';
break;
// Handle other field types as needed
}
}
}
In this example, we first retrieve the ACF fields using get_field_objects()
and store them in the $fields
variable. We then check if any fields exist and iterate over each field using a foreach
loop.
Within the loop, we can access various properties of each field using the $field
variable. In this example, we display the field label as a heading (<h3>
) and the field instructions as a paragraph (<p>
).
Based on the field type, we generate the appropriate HTML input elements and populate them with the field value. The example demonstrates how to handle text fields and select fields, but you can extend it to handle other field types as needed.
Remember to replace $group_id
with the ID of the ACF group you want to retrieve the fields from.