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Unique Identifier Script is use to generate a unique, random numeric identifier that use anybody cannot be easily guessed.
Minimum No : 20 Maximum No : 200
Following code is used to generate Unique Identifier number if you need code to copy and use to your website.
PHP's uniqid() function returns an alphanumeric string based on the current time in microseconds, suitable for use in any operation or transaction that is keyed on a unique alphanumeric string. Because the identifier is based on a time value, there is a very slight possibility of two identical identifiers being generated at the same instant; to reduce this possibility, add a random element to the procedure by combining the call to uniqid() with a call to rand() and md5().
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