php的输入有很多种,有echo,var_dump,print_r,但是这些输出都有自己的缺点,var_dump是最常用的,但是数据不是清晰,输出的时候类型也输出出来了,看起来很乱,但是类型我们很多时候是不需要看的,最好就是将它不要输出出来
于是,史上php最好的输出函数就要诞生了
function p($var){
echo '<pre>';
print_r($var);
echo '</pre>';
}
函数很简单,功能很强大,下面看输出的样子
Array
(
[0] => Array
(
[days] => 2018-10-11
[IOS] => 3
[Android] => 92
)
[1] => Array
(
[days] => 2018-10-10
[IOS] => 104
[Android] => 571
)
[2] => Array
(
[days] => 2018-10-09
[IOS] => 239
[Android] => 573
)
[3] => Array
(
[days] => 2018-10-08
[IOS] => 224
[Android] => 552
)
[4] => Array
(
[days] => 2018-10-07
[IOS] => 232
[Android] => 746
)
[5] => Array
(
[days] => 2018-10-06
[IOS] => 664
[Android] => 899
)
[6] => Array
(
[days] => 2018-10-05
[IOS] => 335
[Android] => 910
)
)
有没有惊艳到,很干净