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@ 2015-04-21T08:00:01Z

<?php

$ar = array("re" => 12, "er" => 45, "rt" => 66 );

while (key($ar) != "er") {
    next($ar);
} 

echo current($ar);

Output
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key: documentation ( source)
next: documentation ( source)
current: documentation ( source)

preferences:dark modelive preview

43.52 ms | 402 KiB | 5 Q