5.2 Version

Since Phing 2.4.2 it is possible to include a phingVersion attribute in the <project> tag. This attribute allows you to define the minimum Phing version required to execute a build file, in order to prevent compatibility issues.

<?xml version="1.0"?>

<project name="test" phingVersion="2.4.2" >
  <!-- Everything else here -->
<project>