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关于摘引变量的疑惑

Jun 13, 2016 pm 12:42 PM
bar echo nbsp

关于引用变量的疑惑
$foo='Bob';
$bar=&$foo;
$bar="my name is $bar";
echo $bar.'
';
echo $foo;

这是手册上的一个例子,我有疑惑的就是输出$bar的结果我能理解,但是为何输出$foo的时候,他的值不是Bob,而是my name is Bob,为何其值会变,请高手解释,谢谢!

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