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<?php class Bird { public static $name = 'bird'; public function instance() { return new self(); } public function getName() { return self::$name; } public function name() { return __CLASS__; } } class Eagle extends Bird { public static $name = 'eagle'; public function name() { return __CLASS__; } } var_dump((new Bird)->instance()); //Bird class instance var_dump((new Eagle)->instance()); //Bird class instance var_dump((new Bird)->getName()); //Bird var_dump((new Eagle)->getName()); //Bird
Output for git.master_jit, git.master
object(Bird)#2 (0) { } object(Bird)#1 (0) { } string(4) "bird" string(4) "bird"

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