PHP implements MD5 encryption 16 bits (not the default 32 bits)

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PHP implements MD5 encryption 16 bits (not the default 32 bits)_PHP tutorial

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Jul 21, 2016 pm 02:58 PM

32 bitamd5phpsubstrcodeusefunctionencryptioncopyaccomplishinterceptofdefault

Use the substr function to intercept:

Copy the code The code is as follows:

substr(md5( "admin"),8,16); // 16-bit MD5 encryption 
md5("admin"); // 32-bit MD5 encryption 

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