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@ 2023-05-17T07:03:17Z

<?php

class SomeClass
{
    public ?int $value = null;
    
    public function run()
    {
        return isset($this->value);
    }
    
    public function compare()
    {
        return $this->value !== null;
    }
}


$someClass = new SomeClass();

var_dump($someClass->run());
var_dump($someClass->compare());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

41.13 ms | 1099 KiB | 5 Q