(PHP 4, PHP 5, PHP 7)
is_array — 锟斤拷锟斤拷锟斤拷锟角凤拷锟斤拷锟斤拷锟斤拷
$var
锟斤拷锟� var 锟斤拷 array锟斤拷锟津返伙拷 TRUE锟斤拷锟斤拷锟津返伙拷 FALSE锟斤拷
var
TRUE
FALSE
锟轿硷拷 is_float()锟斤拷is_int()锟斤拷is_integer()锟斤拷is_string() 锟斤拷 is_object()锟斤拷