Scenarios that generate unique IDs are very common, such as temporary cache file names, temporary variables, temporary security codes, and so on, and the uniqid () function generates a unique ID based on the current time in microseconds. Because the
Use the PHPuniqid function to generate a unique ID. The PHPuniqid function is used to generate a unique ID. it is common to use phpuniqid to generate a unique id, such as the temporary cache file name, temporary variables, temporary security code,
By default, the generated unique ID returns a string of 13 characters. If the prefix of the unique ID is not defined, a maximum of 23 strings can be returned. If you combine the md5 () function, the generated unique ID is more reliable. This
The use cases for generating unique IDs are very common, such as temporary cache file names, temporary variables, and temporary security codes. the uniqid () function is based on the current time in microseconds, generate a unique ID. Because the
The use cases for generating unique IDs are very common, such as temporary cache file names, temporary variables, and temporary security codes. The uniqid () function is based on the current time in microseconds, generate a unique ID. Because the
If you forget your password, click "forgot password", and then you will receive a link to change the password. There will always be a long and messy string in the connection. If a duplicate string is displayed, wouldn't someone else's password be
Often encountered forgotten password situation, click on the forgotten password, and then receive the Change Password link, the connection will often have a long and very messy string. Imagine, if there is a duplicate string, it would not be someone
Use the uniqid () function in php to generate a unique id.
Function createId ($ prefix = "") {$ str = md5 (uniqid (mt_rand (), true); return $ prefix. $ str;} // uniqid (prefix, more_entropy)
The uniqid () function generates a unique ID based on
How does mysql insert a field to a table? this field will randomly generate a unique code. how does mysql insert a field to a table? this field will randomly generate a unique code ------ solution ------------------ if php is used you can use uniqid
A string is composed of a series of characters, each of which is equivalent to a byte. This means that PHP only supports the 256 character set and therefore does not support Unicode. For details, see the description of the string type. Note: string..
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