RecursiveRegexIterator::getChildren
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
RecursiveRegexIterator::getChildren — Returns an iterator for the current entry
Beschreibung
Returns an iterator for the current iterator entry.
Parameter-Liste
Diese Funktion besitzt keine Parameter.
Rückgabewerte
An iterator for the current entry, if it can be iterated over by the inner iterator.
Fehler/Exceptions
An InvalidArgumentException will be thrown if the current entry does not contain a value that can be iterated over by the inner iterator.
Beispiele
Beispiel #1 RecursiveRegexIterator::getChildren() example
<?php
$rArrayIterator = new RecursiveArrayIterator(array('test1', array('tet3', 'test4', 'test5')));
$rRegexIterator = new RecursiveRegexIterator($rArrayIterator, '/^test/',
RecursiveRegexIterator::ALL_MATCHES);
foreach ($rRegexIterator as $key1 => $value1) {
if ($rRegexIterator->hasChildren()) {
// print all children
echo "Children: ";
foreach ($rRegexIterator->getChildren() as $key => $value) {
echo $value . " ";
}
echo "\n";
} else {
echo "No children\n";
}
}
?>Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
No children Children: test4 test5
Siehe auch
- RecursiveRegexIterator::hasChildren() - Returns whether an iterator can be obtained for the current entry
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