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Answers and rating deltas for

Is it necessary to declare PHP array before adding values w/ []?

Author Votes Δ
djdy 27 +4.10
Charles Sprayberry 7 +2.53
Rob Agar 3 +1.51
AlienWebguy 3 +0.36
Julien 1 -0.39
brenjt 1 -0.01
GordonM 0 -0.58
Vinit 0 -2.22
Otar -1 -3.71
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