uniqid

PHP uniqid () function usage, phpuniqid function usage. PHP uniqid () function usage, phpuniqid function usage this article describes the usage of uniqid () function in PHP. Share it with you for your reference. The specific method analysis is as

Uniqid () function usage of PHP and phpuniqid function usage This example describes how to use the uniqid () function in PHP. Share it with you for your reference. The specific method is analyzed as follows: The uniqid () function generates a unique

The scenario for generating a unique ID is 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

This article mainly introduces the usage of uniqid () function in PHP, including the basic usage and Application Analysis of the function, which is a very practical technique. For more information, see This article mainly introduces the usage of

This example describes the use of the Uniqid () function in PHP. Share to everyone for your reference. The specific methods are analyzed as follows: The Uniqid () function generates a unique ID based on the current time in microseconds.Note: The

PHP uniqid () function   The uniqid () function generates a unique ID based on the current time in microseconds. Note:Because the system time is used, the IDS generated by this function are not optimal. To generate an absolutely unique ID, use

The uniqid in PHP is a duplicate problem in high concurrency, phpuniqid The token verification has been generated in recent projects. First, use the uniqid () function in php to generate random strings. However, this function is based on microsecond

PHP uniqid function Execution Slow problem Previous time a requirement: a customer submits a simple form to create a scratch card activity H5 page that adapts to the full terminal (Pc,pad,phone), which involves the ability of a customer to generate

Uniqid Generate only one value. Syntax:String uniqid (string prefix ); Return Value: String Function Type: Encoding     Description This function generates a unique string based on

Previous time a requirement: a customer submits a simple form to create a scratch card activity H5 page that adapts to the full terminal (Pc,pad,phone), which involves the ability of a customer to generate a quota 6W prize code online. Since it is

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

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 HP uniqid () function can be used to generate a unique identifier that is not duplicated, based on the current timestamp at the microsecond level. In the case of high concurrency or long intervals (such as looping code), there is a large amount

As mentioned in an article on the Internet, the uniqid () function of PHP is to multiply the current subtlety by a large number (1048576) and then convert it to hexadecimal, I don't understand either of the following two points: 1. why is it

Generate token check issues in utilities recent projects. First consider the PHP intermediate uniqid () function to generate a random string, but because the function is good like a microsecond-based level. In the case of high concurrency, the same

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

As mentioned in an article on the Internet: PHP's uniqid () function is the current subtlety multiplied by a larger number (1048576) and then into hexadecimal, with two points I do not understand: 1. Why multiply a fixed number in the conversion to 1

PHP function: uniqid () 1. function prototype String uniqid ([string prefix [, bool more_entropy]) You can define the prefix and length of a unique ID.2. version compatibility PHP 3, PHP 4, PHP 5III. basic function usage and examples 1. generate

The uniqid in PHP is duplicate in high concurrency. recently, the token verification has been generated in the project. First, use the uniqid () function in php to generate random strings. However, this function is based on microsecond time. In the

functionCreateid ($prefix= ""){    $str= MD5(uniqid(Mt_rand(), true));    return$prefix. $str;}//Uniqid (prefix,more_entropy)The Uniqid () function generates a unique ID based on the current time in microseconds.prefix is optional. Specify a prefix