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I working with dynamic event in Magento 2, i detected dynamic event call 3 times(example: customer_address_save_after event). This problem in here because i only want run once times this dynamic event.

How to fix this issue ?

2

Instead of flags you can use Registry class.

create instance from constructor

public function __construct(\Magento\Framework\Registry $registry) {
        $this->_coreRegistry = $registry;
    }

to register

$this->_coreRegistry->register('customer_address_save_observer_executed_' . $customerAddress->getId(),true);

to get the from register weather it's executed or not? if executed just return this otherwise it will execute.

if($this->_coreRegistry->registry('customer_address_save_observer_executed_' . $customerAddress->getId()))
                    return $this;
  • I try again but it not working – Thao Pham Dec 11 '15 at 7:27
  • @Bill, post your code. – Bojjaiah Dec 11 '15 at 7:48
  • I create registry as you but it still run 3 times – Thao Pham Dec 11 '15 at 7:57
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You should be able to set a flag and check it before running your code.

if($flag) { //check if flag is already set
    return; // return, flag is set
} else {
    fn(); //your code here
    $flag = true;
}

Flag can be a session flag or something you add to the original object and check after.

Something (pretty) similar can be found here.

  • When declare $flag first times, Where i can get value to avoid undefined variable ? – Thao Pham Nov 24 '15 at 3:57

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