Code Igniter: Find Version Number


function get_version() {
    echo CI_VERSION; // echoes something like 1.7.1
}
this constant can be found on:
/system/codeigniter/CodeIgniter.php (old)

/system/core/CodeIgniter.php (new)

source:
http://stackoverflow.com/questions/2196799/which-version-of-codeigniter-am-i-currently-using

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