Home › Forums › General Issues › Get field key by field name › Reply To: Get field key by field name
Thank you very much! I did a slight modification in order to be able to retrieve the name or the field key depending what is given, because I needed the exact opposite. I paste it here for future reference to others. Cheers!
function acf_get_field_info( $return = 'name', $field_key, $post_id ) {
global $wpdb;
//choose name
if($return == 'name'){
$acf_fields = $wpdb->get_results( $wpdb->prepare( "SELECT ID,post_parent,post_excerpt FROM $wpdb->posts WHERE post_name=%s AND post_type=%s" , $field_key , 'acf-field' ) );
}elseif($return == 'key'){
$acf_fields = $wpdb->get_results( $wpdb->prepare( "SELECT ID,post_parent,post_name FROM $wpdb->posts WHERE post_excerpt=%s AND post_type=%s" , $field_key , 'acf-field' ) );
}
// get all fields with that name.
switch ( count( $acf_fields ) ) {
case 0: // no such field
return false;
case 1: // just one result.
return $acf_fields[0]->post_excerpt;
}
// result is ambiguous
// get IDs of all field groups for this post
$field_groups_ids = array();
$field_groups = acf_get_field_groups( array(
'post_id' => $post_id,
) );
foreach ( $field_groups as $field_group )
$field_groups_ids[] = $field_group['ID'];
// Check if field is part of one of the field groups
// Return the first one.
foreach ( $acf_fields as $acf_field ) {
if ( in_array($acf_field->post_parent,$field_groups_ids) )
return $acf_field->post_name;
}
return false;
}
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