Initialize the current platform
- WBOYOriginal
- 2016-08-31 08:40:571219browse
$plat=!empty($_GET['P'])?$_GET['P']:"front"; Distinguish between front and back. Use P to divide front and back. The initialization default value is front.
? : It is the ternary operator $plat=!empty($_GET['P'])?$_GET['P']:"front"; which means if $_GET['P'] has a value, no If it is empty, assign it to $plat. If $_GET['P'] is empty, assign 'front' to $plat.
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