lib/recurly/subscription.php
public function postpone($nextRenewalDate, $bulk = false) {
    $this->_save(Recurly_Client::PUT, $this->uri() . '/postpone?next_renewal_date=' . $nextRenewalDate . '&bulk=' . ((bool) $bulk));
  }
public function postpone($nextRenewalDate, $bulk = false) {
    $this->_save(Recurly_Client::PUT, $this->uri() . '/postpone?next_renewal_date=' . $nextRenewalDate . '&bulk=' . ((bool) $bulk));
  }
public function postpone ( $ nextRenewalDate , $ bulk = false ) { $ this -> _save ( Recurly_Client :: PUT , $ this -> uri ( ) . '/postpone?next_renewal_date=' . $ nextRenewalDate . '&bulk=' . ( ( bool ) $ bulk ) ) ; }
Postpone a subscription's renewal date.

@param string $nextRenewalDate ISO8601 DateTime String, postpone the subscription to this date
@param bool $bulk for making bulk updates, setting to true bypasses api check for accidental duplicate subscriptions.
@throws Recurly_Error
Postpone a subscription s renewal date .