The crc32 function of php must be used with caution (otherwise it is a pitfall. The crc32 function of php needs to be used with attention (otherwise it is a pitfall). The crc32 function has written a table sharding program a few days ago. the hash
PHP Crc32 function to be aware of the problem (or pit), CRC32 function
A few days ago wrote a sub-table program, using the hash algorithm is CRC32. The functions of the table are as follows:Copy the Code code as follows:function _gethash ($username)
PHP Learning Series (1)--String processing function (3), PHP function 11, CRC32 () function computes the crc32 polynomial of a string. A 32-bit cyclic redundancy check code polynomial that generates a string parameter. This function can be used to
CRC32 Introduction
CRC Verification Utility Library in the field of data storage and data communication, in order to ensure the correct data, we have to use the means of error detection. CRC is one of the most famous in many error detection methods.
These days to write CRC32 VB code, tested on the Web CRC32 verification results are identical.Option Explicit Dim crc32table (255) As Long Private Sub Command1_Click () Dim strhex As String Dim i as Long Dim buffer () as Byte strhex = "AA 1C 2A 00",
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The PHP crc32 function is used to generate a string of 32-bit cyclic redundancy check code polynomial. This is typically used to check the integrity of the data being transmitted.
Questions to be aware of when using PHP's CRC32 function
This article mainly introduces the CRC32 function of PHP need to pay attention to the problem (otherwise is the pit), the need for friends can refer to the next
A few days ago wrote a
Php crc32 calculates the 32-bit CRC (cyclic redundancy check) and crc32crc of the string.
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The php crc32 function is used to generate a 32-bit Cyclic Redundancy checkcode
Recently used STM32 CRC32 module, look at the official website Lib, feel very simple to use. However, you will find that the direct use will appear, and many online CRC32 Web sites or PC-side CRC32 Verification Tool calculation results
This article mainly introduces the issues that need to be paid attention to when using php crc32 functions (otherwise, it is a pitfall). If you need a friend, refer
This article mainly introduces the issues that need to be paid attention to when
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