Source Code:
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<?php // Example 1 class Counter { public static $count = 0; public static function increment() { self::$count++; } } Counter::increment(); Counter::increment(); echo Counter::$count . PHP_EOL; // Example 2 class User { public static $name; public static function setName($name) { self::$name = $name; } } User::setName("John Doe"); echo User::$name;
Result:
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