Expression Manager - presentation/76/en

From LimeSurvey Manual

The best way to get started with the EM is to:

  • Install the latest stable version from
  • Import and explore some sample surveys.
  • Explore the use cases and how-tos, and the step-by-step examples.
  • Explore the EM documentation (this page)
    • Unit Tests of Isolated Expressions (advanced)
      • shows examples of using all EM functions and operators, and the PHP and JavaScript results;
      • note there are few functions that generate different results in the PHP and JavaScript versions, so this page lets you plan your EM logic accordingly.