PHP报错Only variables should be passed by reference in的解决方法

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这个问题多半是因为引用传递参数引起的,解决办法一是修改代码不使用引用传递。

array_shift(explode( , $tag));

php5.3以上默认只能传递具体的变量,而不能通过函数返回值传递。

$tagArr = explode( , $tag);
$tag_sel = array_shift($tagArr);

 

参考地址:https://www.jb51.net/article/121929.htm

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