PHP100 2019-03-28
数据
username password test 123456
关联数组:
mysql_fetch_assoc() array([username]=>'test',[password]=>'123456')
索引数组:
mysql_fetch_array() array([0]=>'test',[1]=>'123456')
var_export()
array ( 0 => 1, 1 => 'a', 2 => 'hello', )
var_dump()
array(3) { [0]=> int(1) [1]=> string(1) "a" [2]=> string(5) "hello" }