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WordPress Plugin Hello Dolly

Wordpress plugin Hello Dolly
WordPress plugin Hello Dolly

I worked for a webmaster, his site have some problems and need fix them, also hosting told him his site have big problem of mysql connection and his site be shutdown, so we need contact his hosting and fix the problem in a few hours,  the bad news is he forget his ftp access, the good news is he remember his wordpress site admin access, the problem is his site have too many training / skills videos / images — his site disk space is full, in this case, it is hard to fix his issues because we have no way to install / upload new plugins — if we do not delete his images / videos from wordpress media…

His site is very slow and it is messed up in front end and back end, and we have no way to do anything, how can we find the problem?

By Default, when we install the wordpress on our hosting, wordpress have a default plugin Hello Dolly, in the plugin hello dolly, there are 85 code lines and 385 words, it is enough to add a simple trace codes in hooks of  the wordpress default plugin Plugin Hello Dolly to trace disk usage of each folder:

add_action( ‘admin_head’, ‘dolly_css’ );

Finally we get total space usage — include folder name, files  name in folders, files size… and so on, and after get the total folders / files,this will not shown in front end so site and users will not be broken, we just show the final list in wordpress admin area.

Then we can re-develop the plugin Hello Dolly to delete some files of some big tar files which is generated some years before but never need it… and so on, so we saved a lot of disk space so we have enough disk space to install some new plugins and upload some new files.

Then we can re-develop hooks in the plugin Hello Dolly to trace his SQL query time, and install wordpress performance optimize plugin P3 to find which plugin delayed his site, after remove some plugins was made in some years before and checked his error logs, we fixed the most of problem that caused mysql connection error, then I installed cache plugin — WP Super Cache,  the speed of the site have a big improve, now I just need he restore his ftp account and I can help him to speed up his site and  get A rank in Google Pagespeed, YSlow .

When I started developing life in wordpress area, I was read the codes of Hello dolly, but I never know one day this defult plugin will help me and another webmaster to solve the big problem. 🙂

When I change the codes of “HelloDolly”, I find out the hello dolly song  and lyrics is still in my mind:

Hello, Dolly
Well, hello, Dolly
It’s so nice to have you back where you belong
You’re lookin’ swell, Dolly
I can tell, Dolly
You’re still glowin’, you’re still crowin’
You’re still goin’ strong
We feel the room swayin’
While the band’s playin’
One of your old favourite songs from way back when
So, take her wrap, fellas
Find her an empty lap, fellas
Dolly’ll never go away again
Hello, Dolly
Well, hello, Dolly3
It’s so nice to have you back where you belong
You’re lookin’ swell, Dolly
I can tell, Dolly
You’re still glowin’, you’re still crowin’
You’re still goin’ strong
We feel the room swayin’
While the band’s playin’
One of your old favourite songs from way back when
Golly, gee, fellas
Find her a vacant knee, fellas
Dolly’ll never go away
Dolly’ll never go away
Dolly’ll never go away again

Maybe I will find out hello dolly movie once I have a time. 🙂

Have a default plugin is a smart idea of wordpress official team. 🙂

You can find all plugins I mentioned above at below:

Hello Dolly

WP Super Cache

P3 (Plugin Performance Profiler)