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<?php
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function foo(int $a, int $b): int {
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return $a + $b;
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}
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class A {
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function foo(int|float $a, int|float $b): int
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{
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return $a + $b;
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}
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}
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//foo(1, 2);
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//max(1, 2, 3);
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function main()
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{
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$o = new A;
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$o->foo(1, 2);
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var_dump($xxx);
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// var_dump($arr2['hello']);
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// var_dump($o2->null);
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}
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