Ds\Vector::isEmpty

(PECL ds >= 1.0.0)

Ds\Vector::isEmpty — Returns whether the vector is empty

public Ds\Vector::isEmpty ( void ) : bool

Returns whether the vector is empty.

�˺��û�в��

Returns TRUE if the vector is empty, FALSE otherwise.

Example #1 Ds\Vector::isEmpty() example


<?php
$a = new \Ds\Vector([1, 2, 3]);
$b = new \Ds\Vector();

var_dump($a->isEmpty());
var_dump($b->isEmpty());
?>

��̵��ڣ�

bool(false)
bool(true)