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I have code that works on a handful of servers, but not others which is coming up with serialised data. I call a page like this: http://domain/index.php/sales/Drilldowns?params=a:12:{s:13:"selectionType";s:8:"facility";s:8:"dateType";s:5:"daily";s:10:"dateOption";s:9:"drilldown";s:6:"metric";s:13:"bookingAmount";s:9:"companyFK";s:2:"11";s:10:"facilityFK";s:0:"";s:7:"classFK";s:0:"";s:15:"customDateStart";s:4:"null";s:7:"newDate";s:10:"2010-11-01";s:10:"metricName";s:10:"Bookings%20$";s:16:"currentDateRange";s:10:"11/01/2010";s:23:"currentMetricNavigation";s:8:"DELDELTE";}&getExcel=0 This is the code I'm using: protected function getRequestVariables(){ if(isset($_REQUEST['params'])){ var_dump($_REQUEST['params']); echo 'length:'.strlen($_REQUEST['params']); $vars = unserialize($_REQUEST['params']); var_dump($vars); } else { $vars = $_REQUEST; // unset saved drilldown options $this->ci->session->svar_set('postVars', null); } This is a var_dump output: string(447) "a:12:{s:13:\"selectionType\";s:8:\"facility\";s:8:\"dateType\";s:5:\"daily\";s:10:\"dateOption\";s:9:\"drilldown\";s:6:\"metric\";s:13:\"bookingAmount\";s:9:\"companyFK\";s:2:\"11\";s:10:\"facilityFK\";s:0:\"\";s:7:\"classFK\";s:0:\"\";s:15:\"customDateStart\";s:4:\"null\";s:7:\"newDate\";s:10:\"2010-11-01\";s:10:\"metricName\";s:10:\"Bookings $\";s:16:\"currentDateRange\";s:10:\"11/01/2010\";s:23:\"currentMetricNavigation\";s:8:\"DELDELTE\";}" When that gets processed I get the following error: A PHP Error was encountered Severity: Notice Message: unserialize() [function.unserialize]: Error at offset 6 of 447 bytes Filename: plugins/Drilldowns.php Line Number: 93 I'm trying this on 5.2.13 - works on some Linu

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