Can you explain, when to use if-else if-else over switch statements?
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Answer / Satya Bhan
If-else if-else is more readable and easier to understand for simple cases, while the switch statement is more efficient for multiple conditions. If-else if-else allows for clear and concise code when there are a few distinct conditions, while the switch statement is best used when there are many possible values.
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class Database { public static $_instance; public static function getInstance() { if(!isset(self::$_instance)) self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME); print_r(self::$_instance); return self::$_instance; } } can any one explain "self::$_instance = new Database(DB_SERVER, DB_USER, DB_PASS, DB_NAME);" this line
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