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evCreateRandomString | generates a random alphanumeric string

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  1. // name:      	evCreateRandomString
  2. // version:	v0.1
  3. // description: genera un string alfanumérico de X caracteres
  4.  
  5. function evCreateRandomString( $numChars = 6 ) {
  6.  
  7. 	$chars = "abcdefghijkmnopqrstuvwxyz023456789";
  8. 	srand((double)microtime()*1000000);
  9. 	$i = 0;
  10.  
  11. 	$string = '' ;
  12.  
  13. 	while ( $i <= $numChars ) {
  14. 		$num = rand() % 33;
  15. 		$tmp = substr($chars, $num, 1);
  16. 		$pass = $pass . $tmp;
  17. 		$i++;
  18. 	}
  19.  
  20. 	return $pass;
  21.  
  22. }

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