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This article is about how php can output primes in a given range. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Description

1. On the basis of for cycle, a layer of for loop is set on the outside to control the range.

2. In the inner body of the for loop, use the counter $count to increment 1 after each prime output, so that you can count the number of primes within 1100.

Example

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