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run code in 150+ php & hhvm versions
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<?php function urlRawDecode($raw_url_encoded) { # Hex conversion table $hex_table = array( 0 => 0x00, 1 => 0x01, 2 => 0x02, 3 => 0x03, 4 => 0x04, 5 => 0x05, 6 => 0x06, 7 => 0x07, 8 => 0x08, 9 => 0x09, "A"=> 0x0a, "B"=> 0x0b, "C"=> 0x0c, "D"=> 0x0d, "E"=> 0x0e, "F"=> 0x0f ); # Fixin' latin character problem if(preg_match_all("/\%C3\%([A-Z0-9]{2})/i", $raw_url_encoded,$res)) { $res = array_unique($res = $res[1]); $arr_unicoded = array(); foreach($res as $key => $value){ $arr_unicoded[] = chr( (0xc0 | ($hex_table[substr($value,0,1)]<<4)) | (0x03 & $hex_table[substr($value,1,1)]) ); $res[$key] = "%C3%" . $value; } $raw_url_encoded = str_replace( $res, $arr_unicoded, $raw_url_encoded ); } # Return decoded raw url encoded data return rawurldecode($raw_url_encoded); } print urlRawDecode("%C3%A1%C3%B1"); // output: // áñ ?>
Output for 4.3.0 - 7.1.0
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