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IsGETValueSet
Checks if $_GET contains a parameter named paramName. Returns true if such parameter does exist and false otherwise.
Signature:
function IsGETValueSet($paramName)
Example:
The code below checks if a $_GET parameter does exist and, if so, assigns its value to a variable.
// check if the parameter custom_var available
if (GetApplication()->IsGETValueSet('custom_var'))
// found
$params['custom_var'] = GetApplication()->GetGETValue('custom_var');
else
// not found. Assign a default value.
$params['custom_var'] = '5 (default)';
See also: GetGETValue
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