Returns if the current iterator entry is valid

# 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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