Acronym for Time To Live
A common concept in computer science where information is given a number of seconds before it's considered "obsolete", used in at least IPv4 and DNS.
6 pages link to TTL:
lib/plugin/WlugLicense.php:99: Warning: Invalid argument supplied for foreach()
lib/plugin/WlugLicense.php:111: Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument