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@ 2019-04-10T11:59:01Z

<?php

$patterns = array('å', "a\xCC\x8A", "A\xCC\x8A", 'æ', 'ø');
$replacements = array('/x7D', '/x7D', '/x7D', 'X', '/x7C');
echo str_replace($patterns, $replacements, '1554896020A2å.pdf');

Output
Performance
VLD
References
Branches

str_replace: documentation ( source)

preferences:dark modelive previewkey bindings

35.24 ms | 404 KiB | 5 Q