You're using a relative path "csv/unconvert_tester.csv" so MySQL seems to be placing it in a default location for outfiles. Just specify an absolute path (starting with /) to tell it the exact location.
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tulipputih commented: thanks for your explanation :).it helps me understanding php better +1
OmniX commented: Thanks for the solution. +3
ShawnCplus 456 Code Monkey Team Colleague
ShawnCplus 456 Code Monkey Team Colleague
ShawnCplus 456 Code Monkey Team Colleague
HITMANOF44th commented: a kick in the right direction +1