Check nulls in php 8

Is null php

// The is_null() function checks whether a variable is NULL or not. This function returns true (1) if the variable is NULL, otherwise it returns false/nothing.

<?php
    $var = NULL;  
	if (is_null($var)) {
      	echo "yes, is null";
      
    } else {
      	echo "not null";
    }
?>

Check nulls in php 8

$country = $session?->user?->getAddress()?->country;

Source: php.net

Similar codes

13 votes237 views6 answers
Newline in php
PHP
8 votes254 views6 answers
Laravel collection unique
PHP
28 votes239 views6 answers
Xhr request javascript
PHP
3 votes278 views2 answers
Laravel Migrations from an existing database
PHP
0 vote234 views1 answer
Create multiple session in php
PHP
1 vote286 views1 answer
Php code for getting the next day
PHP
2 votes260 views6 answers
Laravel get query parameters
PHP
1 vote260 views1 answer
Php get index of current item array_reduce
PHP
0 vote243 views1 answer
Php fix array index
PHP
0 vote260 views1 answer
Cakephp json response
PHP