Add in php keyword

init.lua

@@ -193,6 +193,13 @@ vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper win
 -- [[ Basic Autocommands ]]
 --  See `:help lua-guide-autocommands`
 
+vim.api.nvim_create_autocmd('FileType', {
+  pattern = 'php',
+  callback = function()
+    vim.opt_local.iskeyword:prepend '$'
+  end,
+})
+
 -- Highlight when yanking (copying) text
 --  Try it with `yap` in normal mode
 --  See `:help vim.highlight.on_yank()`