src/Robo/Config/BltConfig.php
public function expandFileProperties($filename) {
    $expanded_contents = Expander::expandArrayProperties(file($filename), $this->export());
    file_put_contents($filename, implode("", $expanded_contents));
  }
public function expandFileProperties($filename) {
    $expanded_contents = Expander::expandArrayProperties(file($filename), $this->export());
    file_put_contents($filename, implode("", $expanded_contents));
  }
public function expandFileProperties ( $ filename ) { $ expanded_contents = Expander :: expandArrayProperties ( file ( $ filename ) , $ this -> export ( ) ) ; file_put_contents ( $ filename , implode ( "" , $ expanded_contents ) ) ; }
Expands YAML placeholders in a given file, using config object.

@param string $filename
The file in which placeholders should be expanded.
Expands YAML placeholders in a given file using config object .