Constructs id attributes for use in WP_Widget::form() fields.
Description
This function should be used in form() methods to create id attributes for fields to be saved by WP_Widget::update().
Parameters
$field_namestringrequired- Field name.
Source
public function get_field_id( $field_name ) {
$field_name = str_replace( array( '[]', '[', ']' ), array( '', '-', '' ), $field_name );
$field_name = trim( $field_name, '-' );
return 'widget-' . $this->id_base . '-' . $this->number . '-' . $field_name;
}
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