Which of the given statements is correct about the following PHP 7.1 code snippet?

$x = 2.98765431;

$y = 2.98765430;

$epsilon = 0.00001; if(abs($x-$y) < $epsilon) {

echo "true";

}

?>

Which of the following options are used for specifying a string literal in PHP 7.1? i) Single quotes ii) Double quotes iii) heredoc syntax iv) now doc syntax

On compilation. the following PHP 7.1 code was supposed to produce the output 24. the code lines with errors. 1. 2. 3. class example 4- { 5. public $foo; G. 7. public function__construct()[ 8. $this->function = foo()[ 9. return 24; 10. }; 11. } 12. } 13. $exp = new example(]: 14. echo ($cxp->function)(). PHP_EOL;

Which function is used to display the properties of variable?

PDO::beginTransaction() turns off autocommit mode.

Which function will list files and directories inside the specified path?