SplObjectStorage::valid

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplObjectStorage::validReturns 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