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trigger_error

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trigger_error is used to create user-defined error messages. Its syntax is trigger_error(error_message,error_types). The parameter error_message is required and refers to the specified error message. The length is limited to 1024 characters. This topic provides articles, downloads and courses related to trigger_error, which you can experience for free.

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time：2023-06-27 17:13:14

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How to use Redis linked list to solve the problem of oversold products with high concurrencyRecommend The implementation principle is to use redis linked list, because the pop operation is atomic, even if many users arrive at the same time, they will be executed in sequence, which is recommended. The first step of implementation is to put the product inventory into the queue/***Add the product quantity to the product queue*@paramint$couponIdCoupon ID*/functionaddCoupons($couponId){//1. Initialize the Redis connection $redis=newRedis( );if(!$redis->connect('127.0.0.1',6379)){trigger_error(&#

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