^ array:10 [
  "a1" => "sayHello: Hello world"
  "a2" => "sayHello: Hello TPHP"
  "b1" => "sayHello: Hello plu1"
  "b2" => "sayHello: Hello plu2"
  "b3" => "sayHello: Hello plu3"
  "c1" => "这里是tphp/test插件目录： Hello TPHP"
  "c2" => "这里是tphp/test插件目录： Hello TPHP"
  "d1" => null
  "d2" => "这里是tphp/test插件目录： Hello TPHP"
  "d3" => null
]