Home › Forums › Add-ons › Repeater Field › Get row index inside add_filter( 'acf/load_field' ) › Reply To: Get row index inside add_filter( 'acf/load_field' )
I had a similar issue where i needed to add the ACF fields meta_id. Below is my solution to the same problem
function build_meta_key($field){
// Loop over parents.
$return_name = $field["_name"];
if(empty($field["prefix"])){
return $return_name;
}
$is_row = preg_match("/row-(\d)+/", $field["prefix"], $matches);
if(!$is_row){
return $return_name;
}
//now figure out the row number from the field name
$return_name = $matches[1]."_".$return_name;
while ( $field['parent'] && $field = acf_get_field( $field['parent'] ) ) {
if(isset($field["_name"])){
$return_name = $field["_name"]."_".$return_name;
}
}
return $return_name;
}
function get_all_meta_info_by_key($post_id, $meta_key, $meta_type = "post"){
global $wpdb;
if ( ! $meta_type || ! $post_id || trim($meta_key) == "") {
return false;
}
$table = _get_meta_table( $meta_type );
if ( ! $table ) {
return false;
}
$meta = $wpdb->get_row( $wpdb->prepare("SELECT * FROM {$table} WHERE post_id = %d AND meta_key = %s", $post_id, $meta_key) );
if ( empty( $meta ) ) {
return false;
}
if ( isset( $meta->meta_value ) ) {
$meta->meta_value = maybe_unserialize( $meta->meta_value );
}
return $meta;
}
/**
* Add in the ACF fields meta id to the field itself. so we can build the download links
* @param $field
*
* @return mixed
*/
function prepare_field( $field ) {
global $post;
$acf_meta_key = $this->build_meta_key($field);
$meta_information = $this->get_all_meta_info_by_key($post->ID, $acf_meta_key);
if(!empty($meta_information->meta_id)){
$field["post_meta_id"] = $meta_information->meta_id;
}
return $field;
}
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