/PHP/Use ternary operator as null coalescing operator in php

Use ternary operator as null coalescing operator in php

<?php

$a = null;

print $a ?? 'b'; // b
print "\n";

print $a ?: 'b'; // b
print "\n";

print $c ?? 'a'; // a
print "\n";

print $c ?: 'a'; // Notice: Undefined variable: c in /in/apAIb on line 14
print "\n";

$b = array('a' => null);

print $b['a'] ?? 'd'; // d
print "\n";

print $b['a'] ?: 'd'; // d
print "\n";

print $b['c'] ?? 'e'; // e
print "\n";

print $b['c'] ?: 'e'; // Notice: Undefined index: c in /in/apAIb on line 33
print "\n";

Source: stackoverflow.com

Similar codes

0 vote225 views1 answer
Laravel search and return record with pagination
PHP Laravel
10 votes257 views3 answers
Check count in laravel
PHP Laravel
12 votes184 views2 answers
Laravel update from query
PHP
0 vote224 views1 answer
How to read laravel query string with dash
PHP
2 votes184 views2 answers
Update laravel 7 to 8
PHP
0 vote197 views1 answer
Array to strng sepreated by comma
PHP
14 votes197 views2 answers
Ucfirst
PHP
1 vote170 views1 answer
Php laravel string substring
PHP
2 votes217 views1 answer
Php if short form
PHP
0 vote169 views1 answer
En php comment convertir une date en français stackoverflow
PHP