WordPress at a glance

get_userdata() WP 1.0

Retrieve user info by user ID.

This is a pluggable function, and it can be replaced from plugin. It means that this function is defined (works) only after all plugins are connected (included), but before this moment the function has not yet been defined... Therefore, you cannot call this and all functions depended on this function directly from a plugin code. It must be called via hook plugins_loaded or later, for example on hook init.

Function replacement (override) — in a plugin you can create a function with the same name, then it will replace this function.

Works based on: get_user_by()
✈ 1 time = 0.000296s = fast | 50000 times = 0.78s = very fast PHP 7.1.2RC1, WP 4.7.2

No Hooks.

Return

WP_User/false. WP_User object on success, false on failure.

Usage

get_userdata( $user_id );
$user_id(int) (required)
User ID

Code of get_userdata: wp-includes/pluggable.php VER 4.9.8

<?php
function get_userdata( $user_id ) {
	return get_user_by( 'id', $user_id );
}

Related Functions

From tag: Users (_user)

More from category: Other

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