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<?php class demo{ public static $demo = "static.demo"; public static function mydemo(){ echo "static.mydemo"; } } $a = new demo(); echo $a::$demo;//版本的问题吧php 5.2.17报错 $demo::$demo;
Output for git.master, git.master_jit, rfc.property-hooks
static.demo Warning: Undefined variable $demo in /in/dl2vc on line 11 Fatal error: Uncaught Error: Class name must be a valid object or a string in /in/dl2vc:11 Stack trace: #0 {main} thrown in /in/dl2vc on line 11
Process exited with code 255.

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