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PHP错误：Only variables should be passed by reference

WBOY
WBOYOriginal
2016-06-20 13:02:431100browse

PHP错误：Only variables should be passed by reference

原因在于PHP5.3版本开始，array_shift不支持函数返回

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

上述写法改成下面写法

$tag_tmp = (explode(' ', $tag));
$tag_sel = array_shift($tag_tmp);
//$tag_sel = array_shift(explode(' ', $tag));

 


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