* Add support for PHP Pear and unify PECL with it

Signed-off-by: Laurent Goderre <laurent.goderre@docker.com>
Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix tests

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* remove log statements

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix struct comment

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

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Signed-off-by: Laurent Goderre <laurent.goderre@docker.com>
Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
Co-authored-by: Alex Goodman <wagoodman@users.noreply.github.com>