(PHP 4, PHP 5, PHP 7)
is_resource — 锟斤拷锟斤拷锟斤拷锟角凤拷为锟斤拷源锟斤拷锟斤拷
$var
锟斤拷锟斤拷锟斤拷锟斤拷牟锟斤拷锟� var 锟斤拷 resource 锟斤拷锟酵ｏ拷is_resource() 锟斤拷锟斤拷 TRUE锟斤拷锟斤拷锟津返伙拷 FALSE锟斤拷
var
TRUE
FALSE
锟介看 resource 锟斤拷锟斤拷锟侥碉拷锟斤拷取锟斤拷锟斤拷锟斤拷锟较拷锟�