Available on Accordion display format. Filters the SVG markup used as the open/close toggle icon for accordion sections. Returning a different SVG string replaces the default caret-down icon. Useful when matching a theme’s iconography, switching to a custom icon set, or — via the modifier variants — using a different icon for specific accordions.
Parameters
apply_filters( 'afb/accordion/icon', $svg, $field, $attr );Code language: PHP (php)$svg(string) — The SVG markup rendered as the toggle icon.$field(array) — The ACF field array.$attr(array) — The block attributes array.
Modifiers
| Tag | Applies to |
|---|---|
afb/accordion/icon | All ACF fields. |
afb/accordion/icon/type={$type} | All fields of a specific field type. |
afb/accordion/icon/name={$name} | All fields with a specific field name. |
afb/accordion/icon/key={$key} | A single field, matched by field key. |
Example
// Replace the toggle icon with a custom SVG for one specific accordion.
add_filter( 'afb/accordion/icon/key=field_5f1a2b3c4d5e6', function() {
return '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="1em" height="1em">'
. '<path d="M3 5l5 6 5-6H3z" />'
. '</svg>';
} );Code language: PHP (php)