哪个更好的表达式使字符串成为xml对象[php]？

Question

which is better expression to make string into xml object[php]?

$xml = new SimpleXMLElement($xml_string);

vs

$xml = simplexml_load_string($xml_string);

same?

Answer 1

They're basically identical. SimpleXMLElement::__construct accepts data strings or file paths, if you set the appropriate options. simplexml_load_file and simplexml_load_string are basically convenience function wrappers that amount to the same thing as new SimpleXMLElement() with the correct options set.