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29 lines
527 B
29 lines
527 B
--TEST--
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interface method declared with reference parameter, implemented by a class
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--FILE--
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<?php
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namespace {
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interface IByRef
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{
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public function abc(&$value);
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}
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class Test implements IByRef
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{
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public function abc(&$value)
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{
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$value = 'x';
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}
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}
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function main()
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{
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$t = new Test;
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// $v 未定义，按引用传给接口的按引用方法后由实现类赋值
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$t->abc($v);
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var_dump($v);
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}
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}
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?>
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--EXPECT--
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string(1) "x"
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