Features

A long list of things I want to have.

Hover

• Show hover text (phpdocs)

Go to

• Go to definition
• Go to declaration
• Go to type

Completion

• Auto-complete with symbols, functions, methods, classes, etc.
• Smart auto-complete that prioritizes items that fit (e.g. if a function parameter requires an int then it would put symbols that match the type int at the top)

Code actions

• Convert most forms of <?php echo ... ?> into <?= ... ?>
• Convert function calls into function calls with named parameters, while removing redundant default arguments
• Convert an applicable for loop over an array into an equivalent foreach loop
• Refactor selected code into a function

Diagnostics

• Undefined variables
  • Variables that aren't assigned
  • Variables created via a pass-by-reference function call
• Warn of variables created in a loop that could be moved out of it
• Duplicate namespace aliases

Feature flags

• Make sure that certain categories of diagnostics can be disabled via configurations