Can you pre-populate a repeater field, yes.
You can use an acf/load_value filter. http://www.advancedcustomfields.com/resources/acfload_value/
function my_acf_load_value($value, $post_id, $field) {
if ($value !== NULL) {
// if the value is exactly NULL it means
// the field has never been updated
// we don't want to change fields that have already been editied
return $value;
}
// set the new field value
$value = array(
// add a nested array for each row
array(
// add an array item for each sub field
'field_name_1' => 'Value for Field 1',
'field_name_2' => 'Value for Field 2'
)
);
return $value;
}
The second part of the question, can you prevent the rows of the repeater from being reordered or edited? As far as I know this can’t be done.
