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

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