Some keybindings that help me develop in visual studio code editor

keybindings.json

[
  {
    "key": "cmd+shift+[Period]",
    "command": "editor.action.insertSnippet",
    "args": {
      "snippet": "error_log( print_r( , true ) );"
    }
  },
  {
    "key": "cmd+shift+m",
    "command": "editor.action.insertSnippet",
    "args": {
      "snippet": "print_r('<pre>');\nprint_r( );\nprint_r('</pre>');"
    }
  },
  {
    "key": "cmd+shift+l",
    "command": "editor.action.insertSnippet",
    "args": {
      "snippet": "console.log( ${0} );"
    }
  },
  {
    "key": "cmd+shift+-",
    "command": "editor.action.insertSnippet",
    "args": {
      "snippet": "<?php ${1} ?>"
    }
  },
  {
    "key": "cmd+shift+[Comma]",
    "command": "editor.action.insertSnippet",
    "args": {
      "snippet": "?>${1}<?php"
    }
  }
]