Render Read only and Disable option for any ACF

functions.php

//Just repeat this add_action hook available for the ACF plugin
//add_action('acf/render_field_settings/type=text', 'add_readonly_and_disabled_to_text_field');
//for the other types of fields be just changing the value of the type in the hook "/type=text". 
//e.g. add_action('acf/render_field_settings/type=textarea', 'add_readonly_and_disabled_to_text_field');
//It will add 2 radio option read-only and disable the field for the textarea field.

<?php

add_action('acf/render_field_settings/type=textarea', 'add_readonly_and_disabled_to_text_field');
add_action('acf/render_field_settings/type=text', 'add_readonly_and_disabled_to_text_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',
	));
}
?>