CachingIterator::current()函数是PHP中的内置函数,用于返回当前元素。
用法:
mixed CachingIterator::current( void )
参数:该函数不接受任何参数。
返回值:此函数返回CachingIterator的当前值。
以下示例程序旨在说明PHP中的CachingIterator::current()函数:
示例1:
<?php
// Declare an array
$arr = array('G', 'e', 'e', 'k', 's');
// Create a new CachingIterator
$cachIt = new CachingIterator(
new ArrayIterator($arr),
CachingIterator::FULL_CACHE
);
// Display the result
foreach($cachIt as $element) {
echo $cachIt->current() . " ";
}
?>
输出:
G e e k s
示例2:
<?php
// Declare an ArrayIterator
$arr = array(
"a" => "Geeks",
"b" => "for",
"c" => "Geeks",
"d" => "Computer",
"e" => "Science",
"f" => "Portal"
);
// Create a new CachingIterator
$cachIt = new CachingIterator(
new ArrayIterator($arr),
CachingIterator::FULL_CACHE
);
// Display the result
foreach($cachIt as $element) {
echo $cachIt->current() . "\n";
}
?>
输出:
Geeks for Geeks Computer Science Portal
参考: https://www.php.net/manual/en/cachingiterator.current.php
相关用法
- PHP CachingIterator key()用法及代码示例
- PHP CachingIterator next()用法及代码示例
- PHP CachingIterator rewind()用法及代码示例
- PHP CachingIterator getCache()用法及代码示例
- PHP CachingIterator setFlags()用法及代码示例
- PHP CachingIterator getInnerIterator()用法及代码示例
- PHP CachingIterator getFlags()用法及代码示例
- PHP CachingIterator __construct()用法及代码示例
- PHP current()用法及代码示例
- PHP Imagick current()用法及代码示例
- PHP SimpleXMLIterator current()用法及代码示例
- PHP FilesystemIterator current()用法及代码示例
- PHP Gmagick current()用法及代码示例
- PHP SplDoublyLinkedList current()用法及代码示例
注:本文由纯净天空筛选整理自jit_t大神的英文原创作品 PHP | CachingIterator current() Function。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。