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@ 2015-11-06T13:50:08Z

<?php

$information = array("login" => "someUsername", 
        "password" => "somePassword",
        "card_pin"=>"card_1234",
        "pin"=>"pin_356",
        "iin" => "iin_123", 
        "shipping" => array("telephone" => array("value" => "telephone_998")),
        "cardnumber" => "card_number_876",
        "customer_id" => "customer_654",
        "telephone" => "someOtherTelephoneNumber555");

print_r($information);
echo "\n\n";

$key_parent = "telephone";
$iterator = new RecursiveIteratorIterator(
    new RecursiveArrayIterator($information),
    RecursiveIteratorIterator::SELF_FIRST);

foreach ($iterator as $key => $val) {
    
    if($key == $key_parent)
    {
        $information[$key] = "**";
    }
    
    else
    {
        if(is_array($val)) {
            //echo "$key:\n";
            
            foreach($val as $k => $v)
            {
                if($k == $key_parent)
                    $val[$k] = "**";
            }
        }
        
        // else {
        // echo "$key => $val\n";
        // }
    }
}

print_r($information);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [login] => someUsername [password] => somePassword [card_pin] => card_1234 [pin] => pin_356 [iin] => iin_123 [shipping] => Array ( [telephone] => Array ( [value] => telephone_998 ) ) [cardnumber] => card_number_876 [customer_id] => customer_654 [telephone] => someOtherTelephoneNumber555 ) Array ( [login] => someUsername [password] => somePassword [card_pin] => card_1234 [pin] => pin_356 [iin] => iin_123 [shipping] => Array ( [telephone] => Array ( [value] => telephone_998 ) ) [cardnumber] => card_number_876 [customer_id] => customer_654 [telephone] => ** )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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