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| en:create:functions:paneldata [26.06.2016 14:18] – created s1305605 | en:create:functions:paneldata [26.06.2016 14:46] – [Example] s1305605 |
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| The command ''panelData()'' provide the allocation of a participant to a subgroup (index 0) and the data, which is given as //user defined data// in the address records, in an array (indices 1 to 5). | The command ''panelData()'' provide the allocation of a participant to a subgroup (index 0) and the data, which is given as //user defined data// in the address records, in an array (indices 1 to 5). |
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| **Important:** The function provide a value only, if the interview was started by click at the personalized link in a mass mail (else ''zero''). In case the participant is forwarded automatically to the survey, after an Opt-In-Confirmation, ([[en:create:Multi-Wave Surveys with Self-Recruited Respondents]]), than this is equivalent to the click at the personalized link in a mass mail. | **Important:** The function provide a value only, if the interview was started by click at the personalized link in a mass mail (else ''zero''). In case the participant is forwarded automatically to the survey, after an Opt-In-Confirmation, ([[:en:survey:opt-in-live]]), than this is equivalent to the click at the personalized link in a mass mail. |
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| <code php> | <code php> |
| $data = panelData(); | $data = panelData(); |
| if ($data === zero) { | if ($data === null) { |
| // error message and stop of the survey, | // error message and stop of the survey, |
| // if the survey was not opened by a serial letter | // if the survey was not opened by a serial letter |
