array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'ds-sequence.pop.php', 1 => 'Ds\\Sequence::pop', ), 'up' => array ( 0 => 'class.ds-sequence.php', 1 => 'Ds\\Sequence', ), 'prev' => array ( 0 => 'ds-sequence.merge.php', 1 => 'Ds\\Sequence::merge', ), 'next' => array ( 0 => 'ds-sequence.push.php', 1 => 'Ds\\Sequence::push', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/ds/ds/sequence/pop.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PECL ds >= 1.0.0)
Ds\Sequence::pop — Removes and returns the last value
此函数没有参数。
The removed last value.
UnderflowException if empty.
示例 #1 Ds\Sequence::pop() example
<?php
$sequence = new \Ds\Vector([1, 2, 3]);
var_dump($sequence->pop());
var_dump($sequence->pop());
var_dump($sequence->pop());
?>
以上示例的输出类似于:
int(3) int(2) int(1)