function delete_bp($bp,$bdd){
    $sql = "delete from bp where name = '" . $bp . "'";
    $bdd->exec($sql);

	$sql = "delete from bp_services where bp_name = '" . $bp . "'";
    $bdd->exec($sql);

	$sql = "delete from bp_links where bp_name = '" . $bp . "'";
	$bdd->exec($sql);
	
	$sql = "delete from bp_links where bp_link = '" . $bp . "'";
	$bdd->exec($sql);
}
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.