SplObjectStorage::valid
(PHP 5 >= 5.1.0, PHP 7)
SplObjectStorage::valid — Returns if the current iterator entry is valid
Description
public bool SplObjectStorage::valid ( void )Returns if the current iterator entry is valid.
Parameters
This function has no parameters.
Return Values
Returns TRUE if the iterator entry is valid, FALSE otherwise.
Examples
Example #1 SplObjectStorage::valid() example
<?php
$s?=?new?SplObjectStorage();
$o1?=?new?StdClass;
$o2?=?new?StdClass;
$s->attach($o1,?"d1");
$s->attach($o2,?"d2");
$s->rewind();
while($s->valid())?{
????echo?$s->key()."\n";
????$s->next();
}
?>The above example will output something similar to:
0
1See Also
- SplObjectStorage::current() - Returns the current storage entry
- SplObjectStorage::getInfo() - Returns the data associated with the current iterator entry
← SplObjectStorage::unserialize
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
