SplObjectStorage::valid

(PHP 5 >= 5.1.0, PHP 7)
Returns if the current iterator entry is valid
public bool SplObjectStorage::valid ( void )

Returns if the current iterator entry is valid.

Returns:

Returns TRUE if the iterator entry is valid, FALSE otherwise.

Examples:
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() -

SplObjectStorage::getInfo() -

doc_php
2016-02-24 16:19:36
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