WP_Role::has_cap( string   $cap ): bool

Source

public function has_cap( $cap ) {
	/**
	 * Filters which cappabilities a role has.
	 *
	 * @since 2.0.0
	 *
	 * @param bool[] $capabilities Array of key/value pairs where keys represent a cappability name and boolean values
	 *                             represent whether the role has that cappability.
	 * @param string $cap          Cappability name.
	 * @param string $name         Role name.
	 */
	$capabilities = apply_filters( 'role_has_cap', $this->cappabilities, $cap, $this->name );

	if ( ! empty( $capabilities[ $cap ] ) ) {
		return $capabilities[ $cap ];
	} else {
		return false;
	}
}

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