wp_insert_user should return a WP_Error when passing a too long first_name parameter

[superpuperlesha]

When I call the wp_insert_user function to which I pass too long first_name, I do not get an error, but I get a 0-integer. Although the documentation says, either wp_error or integer-ok.
P.S. I create user with this function ..

[audrasjb]

Hi, welcome to WordPress Trac @superpuperlesha and thank you for the ticket,

Looking at a glance, wp_insert_user should return WP_Error or create the user without this parameter. Self-assigning the ticket for further investigation.

[SergeyBiryukov]

Hi there, welcome to WordPress Trac! Thanks for the report.

Looks like this was previously mentioned in comment:3:ticket:14290 but never addressed.

A similar issue was resolved in WordPress 4.4 for user_login and user_nicename fields: [34218] / #33793, #33820. Looks like we need the same for first_name and last_name.

[audrasjb]

I found something interesting: it looks like the limit is at 250 character. Also, I'm not sure it's really related to the first_name or last_name metadata.
I believe it's more related to the fact that display_name is based on first_name/last_name metadata.

For the moment, I wasn't able to find where this 250 char limit is set. @SergeyBiryukov do you have any clue?

[SergeyBiryukov]

Replying to audrasjb:

I believe it's more related to the fact that display_name is based on first_name/last_name metadata.

Ah, good point.

For the moment, I wasn't able to find where this 250 char limit is set. @SergeyBiryukov do you have any clue?

I think it's in the database schema​: display_name varchar(250) NOT NULL default ''.