1.What are PHP Traits?
ANS :

A Trait is simply a group of methods that you want include within another class. A Trait, like an abstract class, cannot be instantiated on it’s own. More Ref: http://culttt.com/2014/06/25/php-traits/

1.A) How to call same method from different traits using php ?

     

trait FileLogger{

public function log($msg){

echo 'File Logger ' . date('Y-m-d h:i:s') . ':' . $msg . '<br/>';

}

}

trait DatabaseLogger{

public function log($msg){

echo 'Database Logger ' . date('Y-m-d h:i:s') . ':' . $msg . '<br/>';

}

}

class Logger{

use FileLogger, DatabaseLogger{

FileLogger::log insteadof DatabaseLogger;

}

}

$logger = new Logger();

$logger->log('this is a test message #1');

$logger->log('this is a test message #2');

  

2.How is it possible to remove escape characters from a string?

ANS: The stripslashes function enables us to remove the escape characters before apostrophes in a string.

3.Is it possible to remove the HTML tags from data?

ANS: The strip_tags() function enables us to clean a string from the HTML tags.

4.What does accessing a class via :: means?

ANS:  ‘::’ is used to access static methods that do not require object initialization.