af/field/before_render

Modify an ACF field before it’s rendered. Similar to acf/prepare_field.

<?php

function modify_field( $field, $form, $args ) {
    $field['label'] = 'New field label';
    return $field;
}
add_filter( 'af/field/before_render/name=FIELD_NAME', 'modify_field', 10, 3 );

Modifiers

• af/field/before_render — Applies to all fields.
• af/field/before_render/name=FIELD_NAME — Applies to fields with a specific name.
• af/field/before_render/key=FIELD_KEY — Applies to fields with a specific key.