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urlDecode

Decodes a URL-encoded string.

urlDecode(urlencodedstring [, charset]) → returns string

  • CF4.5+
  • Lucee
  • BL 1.0.0+
  • See Also: urlEncode

    Argument Reference

    urlencodedstring string
    Required

    charset string

    The character encoding in which the string is encoded.
    Values:
    • utf-8
    • iso-8859-1
    • windows-1252
    • us-ascii
    • shift_jis
    • iso-2022-jp
    • euc-jp
    • euc-kr
    • big5
    • euc-cn
    • utf-16

    Examples
    Sample code invoking the urlDecode function

    Simple urlDecode() example

    Shows how it takes an input of: %21 and returns: !

    urlDecode("%21")

    Expected Result: !

    Basic urlDecode() usage

    In this example we demonstrate taking a URL encoded message passed on the request context and displaying it decoded.

    if( len( rc.msg ) ) {
    	writeOutput( encodeForHTML( urlDecode( rc.msg ) ) );
    }

    urlDecode() in obfuscation

    In this example we demonstrate url encoding a password before it is encrypted, and then decoding it after it is decrypted.

    pwd = urlEncodedFormat( '$18$f^$XlTe41' );
    writeOutput( pwd & ' : ' );
    pwd = encrypt( pwd, '7Z8of/gKWpqsx/v6O5yHRKanrXsp93B4xIHV97zf88Q=', 'BLOWFISH/CBC/PKCS5Padding', 'HEX' );
    writeOutput( pwd & ' : ' );
    decpwd = decrypt( pwd, '7Z8of/gKWpqsx/v6O5yHRKanrXsp93B4xIHV97zf88Q=', 'BLOWFISH/CBC/PKCS5Padding', 'HEX' );
    writeOutput( decpwd & ' : ' );
    decpwd = urlDecode( decpwd );
    writeOutput( decpwd );

    Expected Result: %2418%24f%5E%24XlTe41 : <some encrypted value> : %2418%24f%5E%24XlTe41 : $18$f^$XlTe41

    urlDecode() usage as a member function

    In this example we demonstrate taking a URL encoded message passed on the request context and displaying it decoded using the urlDecode() member function.

    if( len( rc.msg ) ) {
    	writeOutput( encodeForHTML( rc.msg.urlDecode() ) );
    }

    © 2012–present Foundeo, Inc. and the CFDocs contributors.
    Licensed under the MIT License.
    ColdFusion is a trademark of Adobe Systems Incorporated.
    https://cfdocs.org/urldecode

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