Php check for null

is_null($foo)

Source: php.net

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

9 votes114 views4 answers
Could not open input file: artisan
PHP
0 vote108 views1 answer
Edit a row from databse using php
PHP
0 vote130 views1 answer
Extensions for laravel command ubuntu 20.04
PHP Laravel
1 vote105 views1 answer
Link input button in php
PHP
0 vote123 views1 answer
Get first cat php wp
PHP
1 vote107 views1 answer
Laravel query select from table where id != to another table id
PHP
0 vote126 views1 answer
Traduction website
PHP
0 vote107 views1 answer
Export PATH=/Applications/MAMP/bin/php/php5.4.10/bin:$PATH
PHP
0 vote103 views1 answer
Get values from text file php
PHP
0 vote113 views1 answer
Laravel make directory if not exists
PHP