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run code in 500+ PHP versions simultaneously
<?php $array = [ "0×00" => "@", "0×01" => "£", "0×02" => "$", //... need to fill here all the table ]; function hexToGSM($hex,$array) { if(array_key_exists($hex,$array)) return $array[$hex]; else return null; } var_dump(hexToGSM("0×01",$array));

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