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is_null vs null in php

Programming Dive on June 13, 2020

As per the php.net site documentation, is_null() function finds whether provided variable is NULL. Actually, is_null() function works similar like...
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PatricNox •

A useful addition is empty() which basically can be treated as isset (since it covers it) but for moments where you explictly don't seek to know whether the actual value is set.

empty() also works on object members, whilst isset() does not.

if (empty($object->member)) {
   return true;
}