is_float

锟斤拷锟斤拷

锟斤拷锟� var 锟斤拷 float 锟津返伙拷 TRUE锟斤拷锟斤拷锟津返伙拷 FALSE锟斤拷

Note:

锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷欠锟斤拷锟斤拷锟斤拷只锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟诫，锟斤拷锟斤拷通锟斤拷为锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷 is_numeric()锟斤拷

锟轿硷拷 is_bool()锟斤拷is_int()锟斤拷is_integer()锟斤拷is_numeric()锟斤拷is_string()锟斤拷is_array() 锟斤拷 is_object()锟斤拷