Add Disabled/Read-Only Options to ACF Fields
<?php
add_action('acf/render_field_settings/type=number', 'add_readonly_and_disabled_to_number_field');
function add_readonly_and_disabled_to_text_field($field) {
acf_render_field_setting( $field, array(
'label' => __('Read Only?','acf'),
'instructions' => '',
'type' => 'radio',
'name' => 'readonly',
'choices' => array(
1 => __("Yes",'acf'),
0 => __("No",'acf'),
),
'layout' => 'horizontal',
));
acf_render_field_setting( $field, array(
'label' => __('Disabled?','acf'),
'instructions' => '',
'type' => 'radio',
'name' => 'disabled',
'choices' => array(
1 => __("Yes",'acf'),
0 => __("No",'acf'),
),
'layout' => 'horizontal',
));
}