Depends on where you are running PHP from. If you run it from command line, it uses the cli/php.ini and apache2/php.ini when run through apache. You are executing phpinfo() through the browser, hence you get /etc/php5/apache2/php.ini as the answer. Running php -r “phpinfo();” | grep “Loaded Configuration” from the terminal should output the CLI ini. … Read more
When you use self to refer to a class member, you’re referring to the class within which you use the keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you’re referencing the same class. Therefore if you … Read more
?: is a form of the conditional operator which was previously available only as: expr ? val_if_true : val_if_false In 5.3 it’s possible to leave out the middle part, e.g. expr ?: val_if_false which is equivalent to: expr ? expr : val_if_false From the manual: Since PHP 5.3, it is possible to leave out the … Read more