Please help my brother I recommend open-source survey system

Please help me to recommend open-source Questionnaire survey System
1, can be in the background single-choice, drop-down single-choice, multi-Select, fill in the blanks and other mixed options set together

2, single choice can be text or pictures

3, the problem can be classified statistics, cross-analysis, can also be based on time, source area or source channel statistics.

4, there is a small rights management function.

5, the requirement is php+mysql.

There are too many things on the internet, but the good things are too small, so the strength to lend everyone, to help me recommend the best one, thank you.

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Admin5 Source website

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