SplObjectStorage::valid
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplObjectStorage::valid — Returns if the current iterator entry is valid
Description
public SplObjectStorage::valid(): bool
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 1
See Also
- SplObjectStorage::current() - Returns the current storage entry
- SplObjectStorage::getInfo() - Returns the data associated with the current iterator entry
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