PEAR_PackageUpdate::popError --
Pops an error off the error stack.
Description
Pops an error off the error stack.
This method is just for collecting errors that occur while checking for
updates and updating a package. The child class is responsible for
displaying all errors and handling them properly. This is because the
way errors are handled varies greatly depending on the driver used.
Note
since 0.4.0a1
This function can not be called
statically.
Return value
array - details of an error or warning (with debug context if available).
