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Why we declare some variables in PHP as like "$_variablename"...?

Author Votes Δ
Benjamin Gruenbaum 4 +0.31
kwelsan 0 +0.77
Subodh Ghulaxe 0 +0.57
Nazneen -1 -3.79
Last visited: Sep 14, 2014, 5:07:29 AM