src/Codeception/Module/WPFilesystem.php
public function writeToMuPluginFile($file, $data)
    {
        $this->writeToFile(
            $this->config['mu-plugins'] . Utils::unleadslashit($file),
            $data
        );
    }
public function writeToMuPluginFile($file, $data)
    {
        $this->writeToFile(
            $this->config['mu-plugins'] . Utils::unleadslashit($file),
            $data
        );
    }
public function writeToMuPluginFile ( $ file , $ data ) { $ this -> writeToFile ( $ this -> config [ 'mu-plugins' ] . Utils :: unleadslashit ( $ file ) , $ data ) ; }
Writes a file in a mu-plugin folder.

@example
``` php
$I->writeToMuPluginFile('mu-plugin1/some-file.txt', 'foo');
```

@param  string $file The path to the destination file, relative to the mu-plugins root folder.
@param  string $data The data to write to the file.
Writes a file in a mu - plugin folder .