2019-02-05 19:48:38 +01:00
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class Program {
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2019-03-17 19:48:52 +01:00
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void add_by_ref(int &$val) {
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2019-02-05 19:48:38 +01:00
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$val += 7;
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}
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2019-03-17 19:48:52 +01:00
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void main() {
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2019-02-05 19:48:38 +01:00
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int $num = 7;
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$this->add_by_ref($num);
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var_dump($num);
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}
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}
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