Identical results here as well.
Troubleshooting 101, we all think we are far too sophisticated and knowledgeable to need something that simplistic and basic... and damned if it doesn't sneak up and bite us in the butt every freakin time! (Even I thought it was stupid as I typed it in the last message, KISS philosophy never gets old)
Next attempt at making sense of this, (I know nothing of PHP) could "power recharge" be some keyword or reserved word phrase in PHP that is triggering this? or in vBulletin? or any of the other software on the site? From my ancient coding past I would suspect power_recharge moreso, but I am not fluent in modern languages / programs syntax.