<?php $array = array( 'Dup.A.123' => 1, 'D' => 4, ); $replacements = array( 'A.123' => 'A123', 'Dup.A' => 'DD', ); foreach (array_keys($array) as $key) { foreach ($replacements as $from => $to) { if (!strncmp($key, $from, strlen($from))) { $array[$to . substr($key, strlen($from))] = $array[$key]; unset($array[$key]); } } } print_r($array);
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