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WP_User::remove_cap( string $cap )

Remove capability from user.

Parameters

$cap: (string) (Required) Capability name.

More Information

Changing the capabilities of a user is persistent, meaning the removed capability will stay in effect until explicitly granted.

This setting is saved to the database (in table wp_options, field 'wp_user_roles'), so you should run this only once, on theme/plugin activation and/or deactivation.

Source

File: wp-includes/class-wp-user.php

public function remove_cap( $cap ) {
		if ( ! isset( $this->caps[ $cap ] ) ) {
			return;
		}
		unset( $this->caps[ $cap ] );
		update_user_meta( $this->ID, $this->cap_key, $this->caps );
		$this->get_role_caps();
		$this->update_user_level_from_caps();
	}

Uses

Uses	Description
wp-includes/class-wp-user.php: WP_User::update_user_level_from_caps()	Update the maximum user level for the user.
wp-includes/class-wp-user.php: WP_User::get_role_caps()	Retrieves all of the capabilities of the user’s roles, and merges them with individual user capabilities.
wp-includes/user.php: update_user_meta()	Update user meta field based on user ID.

Changelog

Version	Description
2.0.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_user/remove_cap