How to correctly implement PHP generated unique identifiers _php tutorial

What we are going to cover for you today is about

PHP generates a unique identifier code example:

1. < ?
2. Generate a unique identifier
3. SHA1 () function, "Secure Hash Algorithm (SHA1)"
4. function Create_unique () {
5. $ Data = $_server[' http_user_agent ']. $_server[' REMOTE_ADDR ']
6. . Time (). Rand ();
7. Return SHA1 ($DATA);
8. Return MD5 (Time (). $data);
9. return $data;
10. }
11. ?>

PHP generates a unique identifier function description and examples

 
  
  

  
   
   
<  ? 
  
   
   
$ Newhash  create_unique(); 
  
   
   
Echo $newhash; 
  
   
   
?> 
  
   
   

 
  
  

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