aParameters[$Name] = array("Value" => $Value, "Id" => $Id, "IsConstant" => $IsConstant);
}
// Completely clear the collection
function Clear() {
// This option will not clear any items marked with IsConstant
$tmp = array();
while (list($Name, $Value) = each($this->aParameters)) {
if ($Value['IsConstant'] == 1)
$tmp[$Name] = $Value;
}
$this->aParameters = $tmp;
}
// Return a count of how many elements are in the collection
function Count() {
return count($this->aParameters);
}
// Retrieves all get and post variables
function DefineCollection($Collection, $ParameterPrefix = '', $IncludeByPrefix = '0', $ExcludeByPrefix = '0') {
$ParameterPrefix = ForceString($ParameterPrefix, '');
$IncludeByPrefix = ForceBool($IncludeByPrefix, 0);
$ExcludeByPrefix = ForceBool($ExcludeByPrefix, 0);
$Add = 1;
while (list($key, $value) = each($Collection)) {
$Add = 1;
if ($ParameterPrefix != '') {
$PrefixMatchLocation = strstr($key, $ParameterPrefix);
// If the prefix isn't found or the location is anywhere other than 0 (the start of the variable name)
if ($PrefixMatchLocation === false || $PrefixMatchLocation != 0) {
if ($IncludeByPrefix) $Add = 0;
} else {
if ($ExcludeByPrefix) $Add = 0;
}
}
if ($Add) $this->Add($key, $value);
}
}
function GetHiddenInputs() {
$sReturn = '';
$Id = '';
$Value = '';
while (list($key, $val) = each($this->aParameters)) {
$Value = $val['Value'];
$Id = $val['Id'];
if(is_array($Value)) {
$nmrows = count($Value);
$i = 0;
for ($i = 0; $i < $nmrows; ++$i) {
// Repetitive values cannot have an unique id, so ignore the id param
$sReturn .= '
';
}
} else {
$sReturn .= '
';
}
}
reset($this->aParameters);
return ''.$sReturn.'
';
}
// Return the collection as a string in querystring name/value pair format
function GetQueryString($IncludeQuestionMark = '0') {
$sReturn = '';
$Value = '';
while (list($key, $val) = each($this->aParameters)) {
$Value = $val['Value'];
if(is_array($Value)) {
$nmrows = count($Value);
for ($i = 0; $i < $nmrows; ++$i) {
$sReturn .= $key .'[]=' . $Value[$i] . '&';
}
} else {
$sReturn .= $key . '=' . $Value . '&';
}
}
// remove trailing ampersand
$sReturn = substr($sReturn,0,strlen($sReturn) - 5);
if ($sReturn != '' && $IncludeQuestionMark) $sReturn = '?'.$sReturn;
reset($this->aParameters);
return $sReturn;
}
// Remove an element from the collection
function Remove($Name) {
$key_index = array_keys(array_keys($this->aParameters), $Name);
if (count($key_index) > 0) array_splice($this->aParameters, $key_index[0], 1);
}
// Set a value. If it already exists, overwrite it.
function Set($Name, $Value, $EncodeValue = 1, $Id = '', $IsConstant = 0) {
$this->Remove($Name);
$this->Add($Name, $Value, $EncodeValue, $Id, 1, $IsConstant);
}
}
?>