Fix Php cs fixer with phpstorm Files > Settings > Tools > File Watchers > Import

watchers.xml

<TaskOptions>
  <TaskOptions>
    <option name="arguments" value="fix --path-mode=intersection --using-cache=no $FilePathRelativeToProjectRoot$" />
    <option name="checkSyntaxErrors" value="true" />
    <option name="description" />
    <option name="exitCodeBehavior" value="ERROR" />
    <option name="fileExtension" value="php" />
    <option name="immediateSync" value="false" />
    <option name="name" value="Php cs fixer" />
    <option name="output" value="$FilePathRelativeToProjectRoot$" />
    <option name="outputFilters">
      <array />
    </option>
    <option name="outputFromStdout" value="false" />
    <option name="program" value="$ProjectFileDir$/vendor/bin/php-cs-fixer" />
    <option name="runOnExternalChanges" value="false" />
    <option name="scopeName" value="Project Files" />
    <option name="trackOnlyRoot" value="false" />
    <option name="workingDir" value="$ProjectFileDir$" />
    <envs />
  </TaskOptions>
</TaskOptions>