If the XML element in question contains attributes, you can also access the SimpleXMLElement as a PHP associative array, where each key in the array represents an attribute on the XML element.

如果该X ML元素包含属性，也可以将SimpleXMLElement作为一个PHP关联数组进行访问，数组中的每个键表示xml元素的属性。

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When the probe fires, you increment an associative array element for the given PID and process name.

当该探针触发时，将为特定的PID和进程名增加一个关联数组元素。

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At the end of a successful XML tree walk, this function will convert and store all the XML elements (the root element and all the child elements) in a PHP associative array.

成功遍历xml树之后，该函数就用PHP关联数组转换和存储了所有的XML元素(根元素和所有的孩子元素)。

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