What is register_globals in php?
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Answer Posted / imteyazhaider
When on, register_globals will inject your scripts with all
sorts of variables, like request variables from HTML forms.
This coupled with the fact that PHP doesn't require
variable initialization means writing insecure code is that
much easier. It was a difficult decision, but the PHP
community decided to disable this directive by default.
When on, people use variables yet really don't know for
sure where they come from and can only assume. Internal
variables that are defined in the script itself get mixed
up with request data sent by users and disabling
register_globals changes this.
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