Plugin improvement

Hi @stoyangeorgiev,

I love the plugin, when it works!

Through number of migrations conducted, I have found two issues, where migration fails miserably.

1) The origin server does not have PHP memory settings at all. Thus, resulting to a plugin crash without any visible trace of the reason in the admin UI.
– This is plugin is not very informative about these details, or what it is actually doing, so it’s near impossible to troubleshoot what might be the issue.
– After increasing user and admin PHP memory to 256M the plugin worked.
– This check should be fairly simple with ini_get('memory_limit'); or similar and even fix on the fly with @ini_set('memory_limit', '256M'); or similar.

2) One of the migrated website had apparently gone through several iterations through it’s lifecycle, and had TWO options tables in DB. The tables were with different prefix, but got the migrator failing miserably. and again, without a single clue in admin UI or debug logs what the heck went wrong.
– Took me literally days to find this out!
– After removing the obsolete, wrong prefixed options table, the migrator worked perfectly.
– I have not taken a look at the code, but would assume the plugin uses ‘too simple’ method to find details in the options table, and does not consider the exactly right table, and the table prefix actually in use with the current installation.
– This should be fairly easy fix to use something like $table_name = $wpdb->prefix . "options"; to workout the details with correct table, always.

3) The logging and information provided in the admin UI is way too little.
– We want to know what is the source IP, destination IP, protocol/port, and what files it is trying to write, etc preferably in the admin UI – These details would be super helpful when something goes wrong.

Do note that, when ever these migrations are being done, there are always some DNS updates and propagation topics – and it can get extremely confusing when something isn’t working, and there is absolutely no clue what went wrong.