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排版错误修改 #97

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排版错误修改 #97

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5 changes: 3 additions & 2 deletions 6.1.md
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Original file line number Diff line number Diff line change
Expand Up @@ -183,9 +183,10 @@ $b = &return_by_ref();
$b = "php";
echo $a;
//此时程序输出php
</php>
?>
````
在上面的代码中，$b其实是$a的一个引用，当最后一行代码执行后，$a和$b都开始寻找‘bar’这个字符串对应的zval，让我们以内核的角度重新观察这一切：
<code c>
````c
#if (PHP_MAJOR_VERSION > 5) || (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION > 0)
ZEND_FUNCTION(return_by_ref)
{
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