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PHP Manual :: RecursiveArrayIterator::getChildren



RecursiveArrayIterator || RecursiveArrayIterator::hasChildren || PHP Manual

(PHP 5 >= 5.1.0, PHP 7)

RecursiveArrayIterator::getChildrenReturns an iterator for the current entry if it is an array or an object.

Description

public RecursiveArrayIterator RecursiveArrayIterator::getChildren ( void )

Returns an iterator for the current iterator entry.

Parameters

This function has no parameters.

Return Values

An iterator for the current entry, if it is an array or object.

Errors/Exceptions

An InvalidArgumentException will be thrown if the current entry does not contain an array or an object.

Examples

Example #1 RecursiveArrayIterator::getChildren() example

<?php
$fruits 
= array("a" => "lemon""b" => "orange", array("a" => "apple""p" => "pear"));

$iterator = new RecursiveArrayIterator($fruits);

while (
$iterator->valid()) {

    if (
$iterator->hasChildren()) {
        
// print all children
        
foreach ($iterator->getChildren() as $key => $value) {
            echo 
$key ' : ' $value "\n";
        }
    } else {
        echo 
"No children.\n";
    }

    
$iterator->next();
}
?>

The above example will output:

No children.
No children.
a : apple
p : pear

See Also



RecursiveArrayIterator || RecursiveArrayIterator::hasChildren || PHP Manual
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