PHPStan problem matcher for VSCode tasks.json

tasks.json

{
  "owner": "phpstan",
  "source": "phpstan",
  "severity": "error",
  "fileLocation": ["relative", "${workspaceFolder}"],
  "pattern": [
    {
      "regexp": "^\\s*Line\\s*(.*)$",
      "file": 1,
    },
    {
      "regexp": "^[\\s-]*$"
    },
    {
      "regexp": "^\\s*(\\d+)\\s+(.*)\\s*$",
      "line": 1,
      "message": 2,
      "loop": true
    }
  ]
}