Difference: VarURLPARAM (3 vs. 4)

Revision 42008-05-13 - TWikiContributor

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META TOPICPARENT name="TWikiVariables"

URLPARAM{"name"} -- get value of a URL parameter

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multiple="on"
multiple="[[$item]]"
If set, gets all selected elements of a <select multiple="multiple"> tag. A format can be specified, with $item indicating the element, e.g. multiple="Option: $item" first element
separator=", " Separator between multiple selections. Only relevant if multiple is specified "\n" (new line)
  • Example: %URLPARAM{"skin"}% returns print for a .../view/TWiki/VarURLPARAM?skin=print URL
Changed:
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  • ALERT! Note: URL parameters passed into HTML form fields must be entity ENCODEd.
  • ALERT! Note: Double quotes in URL parameters must be escaped when passed into other TWiki variables.
    Example: %SEARCH{ "%URLPARAM{ "search" encode="quotes" }%" noheader="on" }%
  • ALERT! Note: When used in a template topic, this variable will be expanded when the template is used to create a new topic. See TWikiTemplates#TemplateTopicsVars for details.
  • ALERT! Note: There is a risk that this variable could be misused for cross-site scripting.
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>
  • ALERT! Notes:
    • URL parameters passed into HTML form fields must be entity ENCODEd.
    • Double quotes in URL parameters must be escaped when passed into other TWiki variables.
      Example: %SEARCH{ "%URLPARAM{ "search" encode="quotes" }%" noheader="on" }%
    • When used in a template topic, this variable will be expanded when the template is used to create a new topic. See TWikiTemplates#TemplateTopicsVars for details.
    • Watch out for TWiki internal parameters, such as rev, skin, template, topic, web; they have a special meaning in TWiki. Common parameters and view script specific parameters are documented at TWikiScripts.
    • If you have %URLPARAM{ in the value of a URL parameter, it will be modified to %<nop>URLPARAM{. This is to prevent an infinite loop during expansion.
    • There is a risk that this variable could be misused for cross-site scripting.
 
Deleted:
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Note If you have %URLPARAM{ in the value of a URL parameter, it will be modified to %<nop>URLPARAM{. This is to prevent an infinite loop during expansion.
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