Php array all keys empty

array('key1' => null, 'key2' => null, 'key3' => null, 'key4' => null)
if (!array_filter($array)) {
    // all values are empty (where "empty" means == false)
}

Source: stackoverflow.com

Similar codes

0 vote250 views1 answer
Php sort custom function
PHP
10 votes280 views3 answers
Array_map in php
PHP
0 vote256 views1 answer
Symfony request post
PHP
0 vote293 views1 answer
Laravel datepicker date format
PHP Laravel
0 vote269 views1 answer
Php filter non utf-8 characters
PHP
0 vote312 views2 answers
How to pass bearer token in swagger in laravel
PHP Laravel
0 vote306 views2 answers
Laravel collection keys
PHP Laravel
1 vote270 views2 answers
Php http errorcode
PHP
1 vote286 views2 answers
Force https redirection laravel
PHP Laravel
2 votes274 views4 answers
Get acf repeater field
PHP