Online PHP editor | rfc for KWB4J

@ 2013-09-30T19:05:39Z

<?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 git.master, git.master_jit, rfc.property-hooks: ��

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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