Esempi in PHP per EmptyIterator::key

Esempio n. 1

File: ext_spl_tests_iterator_030.php Progetto: gleamingthecube/php

<?php

$it = new EmptyIterator();
var_dump($it->valid());
$it->rewind();
var_dump($it->valid());
$it->next();
var_dump($it->valid());
try {
    var_dump($it->key());
} catch (BadMethodCallException $e) {
    echo $e->getMessage() . "\n";
}
try {
    var_dump($it->current());
} catch (BadMethodCallException $e) {
    echo $e->getMessage() . "\n";
}
var_dump($it->valid());
?>
===DONE===

Esempio n. 2

File: ext_spl_tests_iterator_009.php Progetto: gleamingthecube/php

 function key()
 {
     echo __METHOD__ . "\n";
     return parent::key();
 }