The getCombinedFile hook is triggered when combining CSS or JavaScript files. It passes the file content, a unique key for the temporary file and the mode and expects the content as return value.


  1. string $strContent

    Content of the file which will be added to the combiner.

  2. string $strKey

    A unique key that represents the current combiner. A file with this name will be stored in system/scripts/.

  3. string $strMode

    The combiner mode (constant), either Combiner::CSS or Combiner::JS.

Return Values

Return the file content after your modification.



// config.php
$GLOBALS['TL_HOOKS']['getCombinedFile'][] = array('MyClass', 'myGetCombinedFile');

// MyClass.php
public function myGetCombinedFile($strContent, $strKey, $strMode)
    // Do something

    return $strContent;

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