通知和警告 [英] notice and warning

问题描述

我在php中打开了错误：


ini_set（''display_errors''，''1''）;


我收到了一些通知和一些警告。


这些通知大多是缺少这样做的索引：


$ some_var = $ _REQUEST [''some_name''];


警告就是我有这样的事情：


缺少参数1 ...


函数someFoo（$ var1）{

if（$ var1）{...}

}


someFoo（）;


所以，我把display_errors关掉了，但是想知道我是否应该这样做/>
关于这一点的任何事情。


什么是好的编程习惯？


一般来说我更关心的是变量是否是null或empty，和

不是它是否已经设置，这就是通知。似乎是关于。
。如果我这样做：


if（isset（$ var1））{


//我还是要做这个：


if（$ var1）{...


PHP对我来说是一种新语言，我想写正确......但是

我也不想让代码膨胀。


哦，还有一件事，我溜进了perl模式并且这样做了：

$ SOME_ARRAY {some_key}并且没有投诉，是否是kosher？


Jeff

解决方案

some_var =

_REQUEST [''some_name''];


警告是我有这样的事情：


缺少参数1 ...


函数someFoo（

var1）{

if（

I turned on errors in php:

ini_set(''display_errors'',''1'');

And I got a slew of notices and a couple of warnings.

The notices are mostly missing indexes from doing things like this:

$some_var = $_REQUEST[''some_name''];

And the warnings are when I have something like this:

Missing argument 1 ...

function someFoo($var1){
if($var1){...}
}

someFoo();

So, I turned display_errors back off, but wonder if I should do
anything about the this.

What is good programming practice?

Generally I care more about whether a variable is null or empty, and
not whether it has been set, which is what the "notices" seem to be
about. If I were to do this:

if(isset($var1)){

// I''d still have to do this:

if($var1){...

PHP is a new language for me, and I''d like to write "correctly"...but
I don''t want to bloat the code either.

Oh, one more thing, I slipped into perl mode and did this:
$SOME_ARRAY{some_key} and got no complaints, Is that "kosher"?

Jeff

解决方案

some_var =

_REQUEST[''some_name''];

And the warnings are when I have something like this:

Missing argument 1 ...

function someFoo(

var1){
if(

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