What is the correct way to join strings in php? $str = "abcdef" + "ghi"; $str = "abcdef" . "ghi"; $str = join("abcdef","ghi"); $str = "abcdef" plus "ghi"

$_GET display parameters in the URL?

How will you create a database using PHP and MySQL?

PHP can be combined wiht html

Default extension for PHP files

Differences between Get And Posts methods ?

Which function is not used in debugging?

Which is not a valid PHP XML API?

Without introducing a non-class member variable, which can be used to keep an eye on the existing number of objects of a given class?

Consider the following class: 1 class Insurance 2 { 3 function clsName() 4 { 5 echo get_class($this); 6 } 7 } 8 $cl = new Insurance(); 9 $cl->clsName(); 10 Insurance::clsName(); Which lines should be commented to print the class name without errors?

Which is not a valid API?