Whether current user has capability or role.

Signature

current_user_can( $capability )
capability
 (string) Capability or role name.

Return

(boolean)

Source

function current_user_can( $capability ) {
	$current_user = wp_get_current_user();

	if ( empty( $current_user ) )
		return false;

	$args = array_slice( func_get_args(), 1 );
	$args = array_merge( array( $capability ), $args );

	return call_user_func_array( array( $current_user, 'has_cap' ), $args );
}
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