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get_author_user_ids()

get_author_user_ids(): array

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This function has been deprecated. Use get_users() instead.

Get all user IDs.

Return

array List of user IDs.

Source

function get_author_user_ids() {
	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );

	global $wpdb;
	if ( !is_multisite() )
		$level_key = $wpdb->get_blog_prefix() . 'user_level';
	else
		$level_key = $wpdb->get_blog_prefix() . 'capabilities'; // WPMU site admins don't have user_levels.

	return $wpdb->get_col( $wpdb->prepare("SELECT user_id FROM $wpdb->usermeta WHERE meta_key = %s AND meta_value != '0'", $level_key) );
}

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UsesDescription
wpdb::get_col()wp-includes/class-wpdb.php

Retrieves one column from the database.

wpdb::get_blog_prefix()wp-includes/class-wpdb.php

Gets blog prefix.

is_multisite()wp-includes/load.php

Determines whether Multisite is enabled.

_deprecated_function()wp-includes/functions.php

Marks a function as deprecated and inform when it has been used.

wpdb::prepare()wp-includes/class-wpdb.php

Prepares a SQL query for safe execution.

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Changelog

VersionDescription
3.1.0Introduced.

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