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Answers and rating deltas for

How to split this string into two in PHP?

Author Votes Δ
Galen 5 +1.62
aziz punjani 2 +0.38
swatkins 2 +1.52
Spudley 1 -0.63
aakashkrgoel 0 0.00
Bojangles 0 -1.56
Last visited: Sep 14, 2014, 5:07:29 AM