In my case, for some reason, vendor
folder was disabled on VS Code settings:
"intelephense.files.exclude": [
"**/.git/**",
"**/.svn/**",
"**/.hg/**",
"**/CVS/**",
"**/.DS_Store/**",
"**/node_modules/**",
"**/bower_components/**",
"**/vendor/**", <-- remove this line!
"**/resources/views/**"
],
By removing the line containing vendor
folder it works ok on version Intelephense 1.5.4