How to communicate data between two wordpresses

First of all, find the data table prefix of the main station. It must be that station A is established first, and then the second station B is established. Station B wants to share the users of station A, then Open the wp_config.php file of station B, and then insert the following code:

define('CUSTOM_USER_TABLE', 'wp_users'); define('CUSTOM_USER_META_TABLE', 'wp_usermeta');

This place must be copied directly to avoid character errors. Copy it to a location with the same format, and then the data users will be common, but use A When logging in to Station B with your website account, you will see this prompt:

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This requires two steps , the first step is to execute the following statement in phpmyadmin:

INSERT INTO `dbname`.`wp_usermeta` (`umeta_id`, `user_id`, `meta_key`, `meta_value`) VALUES (NULL, '1', 'wpen_capabilities', 'a:1:{s:13:"administrator";s:1:"1";}');

The second step is to make a plug-in, the specific code is as follows:

 0 ) { foreach( $addi_prefixs as $prefix ) { add_user_meta( $user_id, $prefix.'capabilities', $cap_val, true ); } } } } ?>

Completely copy and save as userdb.php and then upload the plug-in directory Just enable it.

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