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@ 2022-02-15T06:48:11Z

<?php
$a = 0;
$b = '0';

var_dump(
    $b == null ? 'it is null' : "it's not null",
    $a ?? "it's null",
    $b ?? "it's null"
);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

42.86 ms | 1247 KiB | 5 Q