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PHP Manual :: RecursiveRegexIterator::getChildren



RecursiveRegexIterator::__construct || RecursiveRegexIterator::hasChildren || RecursiveRegexIterator || PHP Manual

(PHP 5 >= 5.2.0, PHP 7)

RecursiveRegexIterator::getChildrenReturns an iterator for the current entry.

Description

public RecursiveRegexIterator RecursiveRegexIterator::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 can be iterated over by the inner iterator.

Errors/Exceptions

An InvalidArgumentException will be thrown if the current entry does not contain a value that can be iterated over by the inner iterator.

Examples

Example #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";
    }

}
?>

The above example will output:

No children
Children: test4 test5

See Also



RecursiveRegexIterator::__construct || RecursiveRegexIterator::hasChildren || RecursiveRegexIterator || PHP Manual
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