PHP short-ternary ("Elvis") operator vs null coalescing operator
Can someone explain the differences between ternary operator shorthand (?:) and null coalescing operator (??) in PHP? When do they behave differently and when in the same way (if that …
PHP, pass parameters from command line to a PHP script
php script.php item1=4 item2=300 By sending it into $_GET you automatically handle web or CLI access. For commentary, this is doing the following: If the count of arguments is greater than …
php - Difference between require, include, require_once and …
In modern PHP programming, you mainly use require_once only once to include your autoloader class (composer autoloader often), and it will load all of your classes and functions (functions …
Using AND/OR in if else PHP statement - Stack Overflow
2010年12月10日 · In php both AND, && and OR, || will work in the same way. If you are new in programming and php is one of your first languages them i suggest using AND and OR, …
PHP - concatenate or directly insert variables in string
If the variable inside the double quote PHP take time to parse variable. Check out this Single quotes or double quotes for variable concatenation? This is another example Is there a …
Laravel Add a new column to existing table in a migration
2017年8月17日 · To solve that rename the migration file as previously named (started with a date), then add new column run php artisan migrate that will actually update the old one …
php - What is the difference between public, private, and …
PHP manual has a good read on the question here. The visibility of a property or method can be defined by prefixing the declaration with the keywords public, protected or private.
php - Change the maximum upload file size - Stack Overflow
You need to set the value of upload_max_filesize and post_max_size in your php.ini : ; Maximum allowed size for uploaded files. upload_max_filesize = 40M ; Must be greater than or equal to …
php - Artisan migrate could not find driver - Stack Overflow
I am trying to install Laravel. I have installed Xampp, but when I try to setup my database using php artisan migrateI get the error: [Illuminate\\Database\\QueryException] could not find driver ...
php - Multiple returns from a function - Stack Overflow
In php 7.1 it is the most convenient way to create and handle multiple return values from a function. So for newer php versions, its a superior answer to the original accepted answer.