Simple PHP-related issues

Simple Questions about PHP
I would like to ask here, in PHP mixed code, the URL path is defined, similar to this: www.bon.com/product.php?cat=abc&method=456. is a mixed, no controller, model.

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How to write casually, if not in the company or team, according to their own habits to ...

$imgUrl = './images/';
$imgName = ' test.jpg ';
$goUrl = './product.php?cat=abc&method=456 ';

echo "";

There are many ways to do this. You can also use the replacement method ....

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discuss
How to write casually, if not in the company or team, according to their own habits to ...

$imgUrl = './images/';
$imgName = ' test.jpg ';
$goUrl = './product.php?cat=abc&method=456 ';

echo "";

Many ways ...

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discuss

So, for example, I have a picture on the homepage, click can connect to a detailed page, connection path how to write?

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Agree with the 3 floor statement, if not in the company or group can according to their own habits to write
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www.bon.com/product.php?cat= &method=
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The URL you control ah, want to use pathinfo with rewrite are can.

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