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14 lines
344 B
14 lines
344 B
<?php
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class clsA{
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public $a = 'hello';
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private $b;
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public function __get($name)
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{
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echo "获取{$name}失败，{$name}未定义".'<br>';
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}
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}
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$obj = new clsA();
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$obj -> a = 'world';
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echo $obj -> b; //b未定义，当b被调用时，自动调用了__get，自动传入key
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?>
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