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Answers and rating deltas for

explain this php code please

Author Votes Δ
Crontab 2 +3.93
Laith Shadeed 1 +2.53
webbiedave 0 -0.31
David Nguyen 0 -1.17
jeha 0 -1.64
polyhedron 0 -1.14
Last visited: Sep 14, 2014, 5:07:29 AM