When you configure actions and triggers in a workflow, you can specify special variables in the trigger and action setting fields. These variables enable you to get actual values during the execution of the workflow.
The current PHP version as a string in "major.minor.release[extra]" notation.
The current PHP "major" version as an integer (e.g., int(5) from version "5.2.7-extra"). Available since PHP 5.2.7.
The current PHP "minor" version...