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@ 2016-10-12T01:47:07Z

<?php

class e {
    public function foo() {
        $file = fopen('php://input', 'r');
        $this->$file = 'foo';
        return $this;
    }
}

var_dump((new e)->foo());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
fopen: documentation ( source)

preferences:dark modelive preview

24.47 ms | 402 KiB | 5 Q