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PHP

PHP code obfuscation processing ideas

Many people may want to modify such source code, but the source code is so incomprehensible. After getting such source code, I guess many people want to modify the source code

PHP使用Redis的GEO(地理位置)

Redis has added support for GEO (geographic location) since version 3.2, but the earth is not a perfect sphere, and the deviation may be 0.5% in the worst case. Areas close to the poles are not supported. The valid longitude of the supported coordinates is from -180 degrees to 180 degrees; the valid latitude is from -85.05112878 degrees to 85.05112878 degrees. If it exceeds the range, an error will be reported

PHP uses pipeline design pattern to achieve user credit task requirements

Completing the task will give you points. If you need to recover the points if you encounter a refund, the task is roughly as follows: 1. Add 10 points to the shopping cart for the first time every day 2. You can get 100 points for the first order every day 3. You can get 100 points when the accumulated shopping amount reaches 99 yuan Points 4. Get 100 points for shopping 10 times. 5. Get 10 points for daily check-in. 6. There are many strange tasks...