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run code in 300+ PHP versions simultaneously
<?php class TestClass { public function baz() { echo "Worked!"; } } $foo = 'bam'; $bam = ['bar' => new TestClass()]; $output = $$foo; var_dump($$foo); // Correctly reads this var_dump(${$foo}['bar']); // Change $$foo to $output $$foo['bar']->baz(); // function getResult() { // return "string"; // } // echo getResult(){0};

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