Array dereferencing became available in PHP 5.4 That’s why this doesn’t work in PHP 5.3. So you have an extra step where you need to get the array value from your function call and then you can use it: $variable = $this->greatestId(); if ($variable[“num_rows”] > 0){ // do stuff }
If you are using Windows, you should set the same environment variables, but Windows style: set http_proxy=<your_http_proxy:proxy_port> set https_proxy=<your_https_proxy:proxy_port> That will work for your current cmd.exe. If you want to do this more permanent, y suggest you to use environment variables on your system.
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
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
?: 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